kc3-lang/SDL/test/testautomation_math.c

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• Hash : adb445ea
  Author :
  Date : 2022-05-16T18:29:08
  

  Test: Add Cos tests to math suite.

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• test/testautomation_math.c

• /**
   * Math test suite
   */
  
  #include <math.h>
  #include <float.h>
  
  #include "SDL.h"
  #include "SDL_test.h"
  
  /* Range tests parameters */
  #define RANGE_TEST_ITERATIONS 10000000
  #define RANGE_TEST_STEP       SDL_MAX_UINT32 / RANGE_TEST_ITERATIONS
  
  /* Define the Euler constant */
  #ifndef M_E
  #define EULER 2.7182818284590450907955982984276488423347473144531250
  #else
  #define EULER M_E
  #endif
  
  /* ================= Test Structs ================== */
  
  /**
   * Stores a single input and the expected result
   */
  typedef struct
  {
      double input;
      double expected;
  } d_to_d;
  
  /**
   * Stores a pair of inputs and the expected result
   */
  typedef struct
  {
      double x_input, y_input;
      double expected;
  } dd_to_d;
  
  /*
      NB: You cannot create an array of these structures containing INFINITY or NAN.
      On platforms such as OS/2, they are defined as 'extern const double' making them
      not compile-time constant.
  */
  
  /* ================= Test Helpers ================== */
  
  typedef double(SDLCALL *d_to_d_func)(double);
  typedef double(SDLCALL *dd_to_d_func)(double, double);
  
  /**
   * \brief Runs all the cases on a given function with a signature double -> double
   *
   * \param func_name, the name of the tested function.
   * \param func, the function to call.
   * \param cases, an array of all the cases.
   * \param cases_size, the size of the cases array.
   */
  static int
  helper_dtod(const char *func_name, d_to_d_func func,
              const d_to_d *cases, const size_t cases_size)
  {
      Uint32 i;
      for (i = 0; i < cases_size; i++) {
          const double result = func(cases[i].input);
          SDLTest_AssertCheck(result == cases[i].expected,
                              "%s(%f), expected %f, got %f",
                              func_name,
                              cases[i].input,
                              cases[i].expected, result);
      }
  
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Runs all the cases on a given function with a signature (double, double) -> double
   *
   * \param func_name, the name of the tested function.
   * \param func, the function to call.
   * \param cases, an array of all the cases.
   * \param cases_size, the size of the cases array.
   */
  static int
  helper_ddtod(const char *func_name, dd_to_d_func func,
               const dd_to_d *cases, const size_t cases_size)
  {
      Uint32 i;
      for (i = 0; i < cases_size; i++) {
          const double result = func(cases[i].x_input, cases[i].y_input);
          SDLTest_AssertCheck(result == cases[i].expected,
                              "%s(%f,%f), expected %f, got %f",
                              func_name,
                              cases[i].x_input, cases[i].y_input,
                              cases[i].expected, result);
      }
  
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Runs a range of values on a given function with a signature double -> double
   *
   * This function is only meant to test functions that returns the input value if it is
   * integral: f(x) -> x for x in N.
   *
   * \param func_name, the name of the tested function.
   * \param func, the function to call.
   */
  static int
  helper_range(const char *func_name, d_to_d_func func)
  {
      Uint32 i;
      double test_value = 0.0;
  
      SDLTest_AssertPass("%s: Testing a range of %u values with steps of %u",
                         func_name,
                         RANGE_TEST_ITERATIONS,
                         RANGE_TEST_STEP);
  
      for (i = 0; i < RANGE_TEST_ITERATIONS; i++, test_value += RANGE_TEST_STEP) {
          double result;
          /* These are tested elsewhere */
          if (isnan(test_value) || isinf(test_value)) {
              continue;
          }
  
          result = func(test_value);
          if (result != test_value) { /* Only log failures to save performances */
              SDLTest_AssertCheck(SDL_FALSE,
                                  "%s(%.1f), expected %.1f, got %.1f",
                                  func_name, test_value,
                                  test_value, result);
              return TEST_ABORTED;
          }
      }
  
      return TEST_COMPLETED;
  }
  
  /* ================= Test Case Implementation ================== */
  
  /* SDL_floor tests functions */
  
  /**
   * \brief Checks positive and negative infinity.
   */
  static int
  floor_infCases(void *args)
  {
      double result;
  
      result = SDL_floor(INFINITY);
      SDLTest_AssertCheck(INFINITY == result,
                          "Floor(%f), expected %f, got %f",
                          INFINITY, INFINITY, result);
  
      result = SDL_floor(-INFINITY);
      SDLTest_AssertCheck(-INFINITY == result,
                          "Floor(%f), expected %f, got %f",
                          -INFINITY, -INFINITY, result);
  
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks positive and negative zero.
   */
  static int
  floor_zeroCases(void *args)
  {
      const d_to_d zero_cases[] = { { 0.0, 0.0 }, { -0.0, -0.0 } };
      return helper_dtod("Floor", SDL_floor, zero_cases, SDL_arraysize(zero_cases));
  }
  
  /**
   * \brief Checks the NaN case.
   */
  static int
  floor_nanCase(void *args)
  {
      const double result = SDL_floor(NAN);
      SDLTest_AssertCheck(isnan(result),
                          "Floor(nan), expected nan, got %f",
                          result);
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks round values (x.0) for themselves
   */
  static int
  floor_roundNumbersCases(void *args)
  {
      const d_to_d round_cases[] = {
          { 1.0, 1.0 },
          { -1.0, -1.0 },
          { 15.0, 15.0 },
          { -15.0, -15.0 },
          { 125.0, 125.0 },
          { -125.0, -125.0 },
          { 1024.0, 1024.0 },
          { -1024.0, -1024.0 }
      };
      return helper_dtod("Floor", SDL_floor, round_cases, SDL_arraysize(round_cases));
  }
  
  /**
   * \brief Checks a set of fractions
   */
  static int
  floor_fractionCases(void *args)
  {
      const d_to_d frac_cases[] = {
          { 1.0 / 2.0, 0.0 },
          { -1.0 / 2.0, -1.0 },
          { 4.0 / 3.0, 1.0 },
          { -4.0 / 3.0, -2.0 },
          { 76.0 / 7.0, 10.0 },
          { -76.0 / 7.0, -11.0 },
          { 535.0 / 8.0, 66.0 },
          { -535.0 / 8.0, -67.0 },
          { 19357.0 / 53.0, 365.0 },
          { -19357.0 / 53.0, -366.0 }
      };
      return helper_dtod("Floor", SDL_floor, frac_cases, SDL_arraysize(frac_cases));
  }
  
  /**
   * \brief Checks a range of values between 0 and UINT32_MAX
   */
  static int
  floor_rangeTest(void *args)
  {
      return helper_range("Floor", SDL_floor);
  }
  
  /* SDL_ceil tests functions */
  
  /**
   * \brief Checks positive and negative infinity.
   */
  static int
  ceil_infCases(void *args)
  {
      double result;
  
      result = SDL_ceil(INFINITY);
      SDLTest_AssertCheck(INFINITY == result,
                          "Ceil(%f), expected %f, got %f",
                          INFINITY, INFINITY, result);
  
      result = SDL_ceil(-INFINITY);
      SDLTest_AssertCheck(-INFINITY == result,
                          "Ceil(%f), expected %f, got %f",
                          -INFINITY, -INFINITY, result);
  
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks positive and negative zero.
   */
  static int
  ceil_zeroCases(void *args)
  {
      const d_to_d zero_cases[] = { { 0.0, 0.0 }, { -0.0, -0.0 } };
      return helper_dtod("Ceil", SDL_ceil, zero_cases, SDL_arraysize(zero_cases));
  }
  
  /**
   * \brief Checks the NaN case.
   */
  static int
  ceil_nanCase(void *args)
  {
      const double result = SDL_ceil(NAN);
      SDLTest_AssertCheck(isnan(result),
                          "Ceil(nan), expected nan, got %f",
                          result);
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks round values (x.0) for themselves
   */
  static int
  ceil_roundNumbersCases(void *args)
  {
      const d_to_d round_cases[] = {
          { 1.0, 1.0 },
          { -1.0, -1.0 },
          { 15.0, 15.0 },
          { -15.0, -15.0 },
          { 125.0, 125.0 },
          { -125.0, -125.0 },
          { 1024.0, 1024.0 },
          { -1024.0, -1024.0 }
      };
      return helper_dtod("Ceil", SDL_ceil, round_cases, SDL_arraysize(round_cases));
  }
  
  /**
   * \brief Checks a set of fractions
   */
  static int
  ceil_fractionCases(void *args)
  {
      const d_to_d frac_cases[] = {
          { 1.0 / 2.0, 1.0 },
          { -1.0 / 2.0, -0.0 },
          { 4.0 / 3.0, 2.0 },
          { -4.0 / 3.0, -1.0 },
          { 76.0 / 7.0, 11.0 },
          { -76.0 / 7.0, -10.0 },
          { 535.0 / 8.0, 67.0 },
          { -535.0 / 8.0, -66.0 },
          { 19357.0 / 53.0, 366.0 },
          { -19357.0 / 53.0, -365.0 }
      };
      return helper_dtod("Ceil", SDL_ceil, frac_cases, SDL_arraysize(frac_cases));
  }
  
  /**
   * \brief Checks a range of values between 0 and UINT32_MAX
   */
  static int
  ceil_rangeTest(void *args)
  {
      return helper_range("Ceil", SDL_ceil);
  }
  
  /* SDL_trunc tests functions */
  
  /**
   * \brief Checks positive and negative infinity.
   */
  static int
  trunc_infCases(void *args)
  {
      double result;
  
      result = SDL_trunc(INFINITY);
      SDLTest_AssertCheck(INFINITY == result,
                          "Trunc(%f), expected %f, got %f",
                          INFINITY, INFINITY, result);
  
      result = SDL_trunc(-INFINITY);
      SDLTest_AssertCheck(-INFINITY == result,
                          "Trunc(%f), expected %f, got %f",
                          -INFINITY, -INFINITY, result);
  
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks positive and negative zero.
   */
  static int
  trunc_zeroCases(void *args)
  {
      const d_to_d zero_cases[] = { { 0.0, 0.0 }, { -0.0, -0.0 } };
      return helper_dtod("Trunc", SDL_trunc, zero_cases, SDL_arraysize(zero_cases));
  }
  
  /**
   * \brief Checks the NaN case.
   */
  static int
  trunc_nanCase(void *args)
  {
      const double result = SDL_trunc(NAN);
      SDLTest_AssertCheck(isnan(result),
                          "Trunc(nan), expected nan, got %f",
                          result);
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks round values (x.0) for themselves
   */
  static int
  trunc_roundNumbersCases(void *args)
  {
      const d_to_d round_cases[] = {
          { 1.0, 1.0 },
          { -1.0, -1.0 },
          { 15.0, 15.0 },
          { -15.0, -15.0 },
          { 125.0, 125.0 },
          { -125.0, -125.0 },
          { 1024.0, 1024.0 },
          { -1024.0, -1024.0 }
      };
      return helper_dtod("Trunc", SDL_trunc, round_cases, SDL_arraysize(round_cases));
  }
  
  /**
   * \brief Checks a set of fractions
   */
  static int
  trunc_fractionCases(void *args)
  {
      const d_to_d frac_cases[] = {
          { 1.0 / 2.0, 0.0 },
          { -1.0 / 2.0, -0.0 },
          { 4.0 / 3.0, 1.0 },
          { -4.0 / 3.0, -1.0 },
          { 76.0 / 7.0, 10.0 },
          { -76.0 / 7.0, -10.0 },
          { 535.0 / 8.0, 66.0 },
          { -535.0 / 8.0, -66.0 },
          { 19357.0 / 53.0, 365.0 },
          { -19357.0 / 53.0, -365.0 }
      };
      return helper_dtod("Trunc", SDL_trunc, frac_cases, SDL_arraysize(frac_cases));
  }
  
  /**
   * \brief Checks a range of values between 0 and UINT32_MAX
   */
  static int
  trunc_rangeTest(void *args)
  {
      return helper_range("Trunc", SDL_trunc);
  }
  
  /* SDL_round tests functions */
  
  /**
   * \brief Checks positive and negative infinity.
   */
  static int
  round_infCases(void *args)
  {
      double result;
  
      result = SDL_round(INFINITY);
      SDLTest_AssertCheck(INFINITY == result,
                          "Round(%f), expected %f, got %f",
                          INFINITY, INFINITY, result);
  
      result = SDL_round(-INFINITY);
      SDLTest_AssertCheck(-INFINITY == result,
                          "Round(%f), expected %f, got %f",
                          -INFINITY, -INFINITY, result);
  
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks positive and negative zero.
   */
  static int
  round_zeroCases(void *args)
  {
      const d_to_d zero_cases[] = { { 0.0, 0.0 }, { -0.0, -0.0 } };
      return helper_dtod("Round", SDL_round, zero_cases, SDL_arraysize(zero_cases));
  }
  
  /**
   * \brief Checks the NaN case.
   */
  static int
  round_nanCase(void *args)
  {
      const double result = SDL_round(NAN);
      SDLTest_AssertCheck(isnan(result),
                          "Round(nan), expected nan, got %f",
                          result);
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks round values (x.0) for themselves
   */
  static int
  round_roundNumbersCases(void *args)
  {
      const d_to_d round_cases[] = {
          { 1.0, 1.0 },
          { -1.0, -1.0 },
          { 15.0, 15.0 },
          { -15.0, -15.0 },
          { 125.0, 125.0 },
          { -125.0, -125.0 },
          { 1024.0, 1024.0 },
          { -1024.0, -1024.0 }
      };
      return helper_dtod("Round", SDL_round, round_cases, SDL_arraysize(round_cases));
  }
  
  /**
   * \brief Checks a set of fractions
   */
  static int
  round_fractionCases(void *args)
  {
      const d_to_d frac_cases[] = {
          { 1.0 / 2.0, 1.0 },
          { -1.0 / 2.0, -1.0 },
          { 4.0 / 3.0, 1.0 },
          { -4.0 / 3.0, -1.0 },
          { 76.0 / 7.0, 11.0 },
          { -76.0 / 7.0, -11.0 },
          { 535.0 / 8.0, 67.0 },
          { -535.0 / 8.0, -67.0 },
          { 19357.0 / 53.0, 365.0 },
          { -19357.0 / 53.0, -365.0 }
      };
      return helper_dtod("Round", SDL_round, frac_cases, SDL_arraysize(frac_cases));
  }
  
  /**
   * \brief Checks a range of values between 0 and UINT32_MAX
   */
  static int
  round_rangeTest(void *args)
  {
      return helper_range("Round", SDL_round);
  }
  
  /* SDL_fabs tests functions */
  
  /**
   * \brief Checks positive and negative infinity.
   */
  static int
  fabs_infCases(void *args)
  {
      double result;
  
      result = SDL_fabs(INFINITY);
      SDLTest_AssertCheck(INFINITY == result,
                          "Fabs(%f), expected %f, got %f",
                          INFINITY, INFINITY, result);
  
      result = SDL_fabs(-INFINITY);
      SDLTest_AssertCheck(INFINITY == result,
                          "Fabs(%f), expected %f, got %f",
                          -INFINITY, INFINITY, result);
  
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks positive and negative zero
   */
  static int
  fabs_zeroCases(void *args)
  {
      const d_to_d zero_cases[] = { { 0.0, 0.0 }, { -0.0, 0.0 } };
      return helper_dtod("Fabs", SDL_fabs, zero_cases, SDL_arraysize(zero_cases));
  }
  
  /**
   * \brief Checks the NaN case.
   */
  static int
  fabs_nanCase(void *args)
  {
      const double result = SDL_fabs(NAN);
      SDLTest_AssertCheck(isnan(result),
                          "Fabs(nan), expected nan, got %f",
                          result);
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks a range of values between 0 and UINT32_MAX
   */
  static int
  fabs_rangeTest(void *args)
  {
      return helper_range("Fabs", SDL_fabs);
  }
  
  /* SDL_copysign tests functions */
  
  /**
   * \brief Checks positive and negative inifnity.
   */
  static int
  copysign_infCases(void *args)
  {
      double result;
  
      result = SDL_copysign(INFINITY, -1.0);
      SDLTest_AssertCheck(-INFINITY == result,
                          "Copysign(%f,%.1f), expected %f, got %f",
                          INFINITY, -1.0, -INFINITY, result);
  
      result = SDL_copysign(INFINITY, 1.0);
      SDLTest_AssertCheck(INFINITY == result,
                          "Copysign(%f,%.1f), expected %f, got %f",
                          INFINITY, 1.0, INFINITY, result);
  
      result = SDL_copysign(-INFINITY, -1.0);
      SDLTest_AssertCheck(-INFINITY == result,
                          "Copysign(%f,%.1f), expected %f, got %f",
                          -INFINITY, -1.0, -INFINITY, result);
  
      result = SDL_copysign(-INFINITY, 1.0);
      SDLTest_AssertCheck(INFINITY == result,
                          "Copysign(%f,%.1f), expected %f, got %f",
                          -INFINITY, 1.0, INFINITY, result);
  
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks positive and negative zero.
   */
  static int
  copysign_zeroCases(void *args)
  {
      const dd_to_d zero_cases[] = {
          { 0.0, 1.0, 0.0 },
          { 0.0, -1.0, -0.0 },
          { -0.0, 1.0, 0.0 },
          { -0.0, -1.0, -0.0 }
      };
      return helper_ddtod("Copysign", SDL_copysign, zero_cases, SDL_arraysize(zero_cases));
  }
  
  /**
   * \brief Checks the NaN cases.
   */
  static int
  copysign_nanCases(void *args)
  {
      double result;
  
      result = SDL_copysign(NAN, 1.0);
      SDLTest_AssertCheck(isnan(result),
                          "Copysign(nan,1.0), expected nan, got %f",
                          result);
  
      result = SDL_copysign(NAN, -1.0);
      SDLTest_AssertCheck(isnan(result),
                          "Copysign(nan,-1.0), expected nan, got %f",
                          result);
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks a range of values between 0 and UINT32_MAX
   */
  static int
  copysign_rangeTest(void *args)
  {
      Uint32 i;
      double test_value = 0.0;
  
      SDLTest_AssertPass("Copysign: Testing a range of %u values with steps of %u",
                         RANGE_TEST_ITERATIONS,
                         RANGE_TEST_STEP);
  
      for (i = 0; i < RANGE_TEST_ITERATIONS; i++, test_value += RANGE_TEST_STEP) {
          double result;
          /* These are tested elsewhere */
          if (isnan(test_value) || isinf(test_value)) {
              continue;
          }
  
          /* Only log failures to save performances */
          result = SDL_copysign(test_value, 1.0);
          if (result != test_value) {
              SDLTest_AssertCheck(SDL_FALSE,
                                  "Copysign(%.1f,%.1f), expected %.1f, got %.1f",
                                  test_value, 1.0, test_value, result);
              return TEST_ABORTED;
          }
  
          result = SDL_copysign(test_value, -1.0);
          if (result != -test_value) {
              SDLTest_AssertCheck(SDL_FALSE,
                                  "Copysign(%.1f,%.1f), expected %.1f, got %.1f",
                                  test_value, -1.0, -test_value, result);
              return TEST_ABORTED;
          }
      }
      return TEST_COMPLETED;
  }
  
  /* SDL_fmod tests functions */
  
  /**
   * \brief Checks division of positive and negative inifnity.
   */
  static int
  fmod_divOfInfCases(void *args)
  {
      double result;
  
      result = SDL_fmod(INFINITY, -1.0);
      SDLTest_AssertCheck(isnan(result),
                          "Fmod(%f,%.1f), expected %f, got %f",
                          INFINITY, -1.0, NAN, result);
  
      result = SDL_fmod(INFINITY, 1.0);
      SDLTest_AssertCheck(isnan(result),
                          "Fmod(%f,%.1f), expected %f, got %f",
                          INFINITY, 1.0, NAN, result);
  
      result = SDL_fmod(-INFINITY, -1.0);
      SDLTest_AssertCheck(isnan(result),
                          "Fmod(%f,%.1f), expected %f, got %f",
                          -INFINITY, -1.0, NAN, result);
  
      result = SDL_fmod(-INFINITY, 1.0);
      SDLTest_AssertCheck(isnan(result),
                          "Fmod(%f,%.1f), expected %f, got %f",
                          -INFINITY, 1.0, NAN, result);
  
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks division by positive and negative inifnity.
   */
  static int
  fmod_divByInfCases(void *args)
  {
      double result;
  
      result = SDL_fmod(1.0, INFINITY);
      SDLTest_AssertCheck(1.0 == result,
                          "Fmod(%.1f,%f), expected %f, got %f",
                          1.0, INFINITY, 1.0, result);
  
      result = SDL_fmod(-1.0, INFINITY);
      SDLTest_AssertCheck(-1.0 == result,
                          "Fmod(%.1f,%f), expected %f, got %f",
                          -1.0, INFINITY, -1.0, result);
  
      result = SDL_fmod(1.0, -INFINITY);
      SDLTest_AssertCheck(1.0 == result,
                          "Fmod(%.1f,%f), expected %f, got %f",
                          1.0, -INFINITY, 1.0, result);
  
      result = SDL_fmod(-1.0, -INFINITY);
      SDLTest_AssertCheck(-1.0 == result,
                          "Fmod(%.1f,%f), expected %f, got %f",
                          -1.0, -INFINITY, -1.0, result);
  
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks division of positive and negative zero.
   */
  static int
  fmod_divOfZeroCases(void *args)
  {
      const dd_to_d zero_cases[] = {
          { 0.0, 1.0, 0.0 },
          { 0.0, -1.0, 0.0 },
          { -0.0, 1.0, -0.0 },
          { -0.0, -1.0, -0.0 }
      };
      return helper_ddtod("Fmod", SDL_fmod, zero_cases, SDL_arraysize(zero_cases));
  }
  
  /**
   * \brief Checks division by positive and negative zero.
   */
  static int
  fmod_divByZeroCases(void *args)
  {
      double result;
  
      result = SDL_fmod(1.0, 0.0);
      SDLTest_AssertCheck(isnan(result),
                          "Fmod(1.0,0.0), expected nan, got %f",
                          result);
  
      result = SDL_fmod(-1.0, 0.0);
      SDLTest_AssertCheck(isnan(result),
                          "Fmod(-1.0,0.0), expected nan, got %f",
                          result);
  
      result = SDL_fmod(1.0, -0.0);
      SDLTest_AssertCheck(isnan(result),
                          "Fmod(1.0,-0.0), expected nan, got %f",
                          result);
  
      result = SDL_fmod(-1.0, -0.0);
      SDLTest_AssertCheck(isnan(result),
                          "Fmod(-1.0,-0.0), expected nan, got %f",
                          result);
  
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks the NaN cases.
   */
  static int
  fmod_nanCases(void *args)
  {
      double result;
  
      result = SDL_fmod(NAN, 1.0);
      SDLTest_AssertCheck(isnan(result),
                          "Fmod(nan,1.0), expected nan, got %f",
                          result);
  
      result = SDL_fmod(NAN, -1.0);
      SDLTest_AssertCheck(isnan(result),
                          "Fmod(nan,-1.0), expected nan, got %f",
                          result);
  
      result = SDL_fmod(1.0, NAN);
      SDLTest_AssertCheck(isnan(result),
                          "Fmod(1.0,nan), expected nan, got %f",
                          result);
  
      result = SDL_fmod(-1.0, NAN);
      SDLTest_AssertCheck(isnan(result),
                          "Fmod(-1.0,nan), expected nan, got %f",
                          result);
  
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks a set of regular values.
   */
  static int
  fmod_regularCases(void *args)
  {
      const dd_to_d regular_cases[] = {
          { 3.5, 2.0, 1.5 },
          { -6.25, 3.0, -0.25 },
          { 7.5, 2.5, 0.0 },
          { 2.0 / 3.0, -1.0 / 3.0, 0.0 }
      };
      return helper_ddtod("Fmod", SDL_fmod, regular_cases, SDL_arraysize(regular_cases));
  }
  
  /**
   * \brief Checks a range of values between 0 and UINT32_MAX
   */
  static int
  fmod_rangeTest(void *args)
  {
      Uint32 i;
      double test_value = 0.0;
  
      SDLTest_AssertPass("Fmod: Testing a range of %u values with steps of %u",
                         RANGE_TEST_ITERATIONS,
                         RANGE_TEST_STEP);
  
      for (i = 0; i < RANGE_TEST_ITERATIONS; i++, test_value += RANGE_TEST_STEP) {
          double result;
          /* These are tested elsewhere */
          if (isnan(test_value) || isinf(test_value)) {
              continue;
          }
  
          /* Only log failures to save performances */
          result = SDL_fmod(test_value, 1.0);
          if (0.0 != result) {
              SDLTest_AssertCheck(SDL_FALSE,
                                  "Fmod(%.1f,%.1f), expected %.1f, got %.1f",
                                  test_value, 1.0, 0.0, result);
              return TEST_ABORTED;
          }
      }
      return TEST_COMPLETED;
  }
  
  /* SDL_exp tests functions */
  
  /**
   * \brief Checks positive and negative infinity.
   */
  static int
  exp_infCases(void *args)
  {
      double result;
  
      result = SDL_exp(INFINITY);
      SDLTest_AssertCheck(INFINITY == result,
                          "Exp(%f), expected %f, got %f",
                          INFINITY, INFINITY, result);
  
      result = SDL_exp(-INFINITY);
      SDLTest_AssertCheck(0.0 == result,
                          "Exp(%f), expected %f, got %f",
                          -INFINITY, 0.0, result);
  
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks positive and negative zero.
   */
  static int
  exp_zeroCases(void *args)
  {
      const d_to_d zero_cases[] = {
          { 0.0, 1.0 },
          { -0.0, 1.0 }
      };
      return helper_dtod("Exp", SDL_exp, zero_cases, SDL_arraysize(zero_cases));
  }
  
  /**
   * \brief Checks for overflow.
   *
   * This test is skipped for double types larger than 64 bits.
   */
  static int
  exp_overflowCase(void *args)
  {
      double result;
  
      if (sizeof(double) > 8) {
          return TEST_SKIPPED;
      }
  
      result = SDL_exp(710.0);
      SDLTest_AssertCheck(isinf(result),
                          "Exp(%f), expected %f, got %f",
                          710.0, INFINITY, result);
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks the base case of 1.0.
   */
  static int
  exp_baseCase(void *args)
  {
      const double result = SDL_exp(1.0);
      SDLTest_AssertCheck(EULER == result,
                          "Exp(%f), expected %f, got %f",
                          1.0, EULER, result);
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks a set of regular cases.
   */
  static int
  exp_regularCases(void *args)
  {
      /* Hexadecimal floating constants are not supported on C89 compilers */
      const d_to_d regular_cases[] = {
          { -101.0, 1.36853947117385291381565719268793547578002532127613087E-44 },
          { -15.73, 0.00000014741707833928422931856502906683425990763681 },
          { -1.0, 0.36787944117144233402427744294982403516769409179688 },
          { -0.5, 0.60653065971263342426311737654032185673713684082031 },
          { 0.5, 1.64872127070012819416433558217249810695648193359375 },
          { 2.25, 9.48773583635852624240669683786109089851379394531250 },
          { 34.125, 661148770968660.375 },
          { 112.89, 10653788283588960962604279261058893737879589093376.0 },
          { 539.483, 1970107755334319939701129934673541628417235942656909222826926175622435588279443011110464355295725187195188154768877850257012251677751742837992843520967922303961718983154427294786640886286983037548604937796221048661733679844353544028160.0 },
      };
      return helper_dtod("Exp", SDL_exp, regular_cases, SDL_arraysize(regular_cases));
  }
  
  /* SDL_log tests functions */
  
  /**
   * \brief Checks limits (zeros and positive infinity).
   */
  static int
  log_limitCases(void *args)
  {
      double result;
  
      result = SDL_log(INFINITY);
      SDLTest_AssertCheck(INFINITY == result,
                          "Log(%f), expected %f, got %f",
                          INFINITY, INFINITY, result);
  
      result = SDL_log(0.0);
      SDLTest_AssertCheck(-INFINITY == result,
                          "Log(%f), expected %f, got %f",
                          0.0, -INFINITY, result);
  
      result = SDL_log(-0.0);
      SDLTest_AssertCheck(-INFINITY == result,
                          "Log(%f), expected %f, got %f",
                          -0.0, -INFINITY, result);
  
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks some base cases.
   */
  static int
  log_baseCases(void *args)
  {
      double result;
  
      result = SDL_log(1.0);
      SDLTest_AssertCheck(0.0 == result,
                          "Log(%f), expected %f, got %f",
                          1.0, 0.0, result);
  
      result = SDL_log(EULER);
      SDLTest_AssertCheck(1.0 == result,
                          "Log(%f), expected %f, got %f",
                          EULER, 1.0, result);
  
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks the nan cases.
   */
  static int
  log_nanCases(void *args)
  {
      double result;
  
      result = SDL_log(NAN);
      SDLTest_AssertCheck(isnan(result),
                          "Log(%f), expected %f, got %f",
                          NAN, NAN, result);
  
      result = SDL_log(-1234.5678);
      SDLTest_AssertCheck(isnan(result),
                          "Log(%f), expected %f, got %f",
                          -1234.5678, NAN, result);
  
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks a set of regular cases.
   */
  static int
  log_regularCases(void *args)
  {
      const d_to_d regular_cases[] = {
          { 5.0, 1.60943791243410028179994242236716672778129577636718750 },
          { 10.0, 2.302585092994045901093613792909309267997741699218750 },
          { 56.32, 4.031049711849786554296315443934872746467590332031250 },
          { 789.123, 6.670922202231861497523368598194792866706848144531250 },
          { 2734.876324, 7.91384149408957959792587644187733530998229980468750 }
      };
      return helper_dtod("Log", SDL_log, regular_cases, SDL_arraysize(regular_cases));
  }
  
  /* SDL_log10 tests functions */
  
  /**
   * \brief Checks limits (zeros and positive infinity).
   */
  static int
  log10_limitCases(void *args)
  {
      double result;
  
      result = SDL_log10(INFINITY);
      SDLTest_AssertCheck(INFINITY == result,
                          "Log10(%f), expected %f, got %f",
                          INFINITY, INFINITY, result);
  
      result = SDL_log10(0.0);
      SDLTest_AssertCheck(-INFINITY == result,
                          "Log10(%f), expected %f, got %f",
                          0.0, -INFINITY, result);
  
      result = SDL_log10(-0.0);
      SDLTest_AssertCheck(-INFINITY == result,
                          "Log10(%f), expected %f, got %f",
                          -0.0, -INFINITY, result);
  
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks some base cases.
   */
  static int
  log10_baseCases(void *args)
  {
      const d_to_d base_cases[] = {
          { 1.0, 0.0 },
          { 10.0, 1.0 },
          { 100.0, 2.0 },
          { 1000.0, 3.0 },
          { 10000.0, 4.0 },
          { 100000.0, 5.0 },
          { 1000000.0, 6.0 },
          { 10000000.0, 7.0 },
          { 100000000.0, 8.0 },
          { 1000000000.0, 9.0 },
      };
      return helper_dtod("Log10", SDL_log10, base_cases, SDL_arraysize(base_cases));
  }
  
  /**
   * \brief Checks the nan cases.
   */
  static int
  log10_nanCases(void *args)
  {
      double result;
  
      result = SDL_log10(NAN);
      SDLTest_AssertCheck(isnan(result),
                          "Log10(%f), expected %f, got %f",
                          NAN, NAN, result);
  
      result = SDL_log10(-1234.5678);
      SDLTest_AssertCheck(isnan(result),
                          "Log10(%f), expected %f, got %f",
                          -1234.5678, NAN, result);
  
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks a set of regular cases.
   */
  static int
  log10_regularCases(void *args)
  {
      const d_to_d regular_cases[] = {
          { 5.0, 0.698970004336018857493684208748163655400276184082031250 },
          { 12.5, 1.09691001300805646145875016372883692383766174316406250 },
          { 56.32, 1.750662646134055755453573510749265551567077636718750 },
          { 789.123, 2.8971447016351858927407647570362314581871032714843750 },
          { 2734.876324, 3.436937691540090433761633903486654162406921386718750 }
      };
      return helper_dtod("Log10", SDL_log10, regular_cases, SDL_arraysize(regular_cases));
  }
  
  /* SDL_pow tests functions */
  
  /* Tests with positive and negative infinities as exponents */
  
  /**
   * \brief Checks the cases where the base is negative one and the exponent is infinity.
   */
  static int
  pow_baseNOneExpInfCases(void *args)
  {
      double result;
  
      result = SDL_pow(-1.0, INFINITY);
      SDLTest_AssertCheck(1.0 == result,
                          "Pow(%f,%f), expected %f, got %f",
                          -1.0, INFINITY, 1.0, result);
  
      result = SDL_pow(-1.0, -INFINITY);
      SDLTest_AssertCheck(1.0 == result,
                          "Pow(%f,%f), expected %f, got %f",
                          -1.0, -INFINITY, 1.0, result);
  
      return TEST_COMPLETED;
  }
  /**
   * \brief Checks the case where the base is zero and the exponent is negative infinity.
   */
  static int
  pow_baseZeroExpNInfCases(void *args)
  {
      double result;
  
      result = SDL_pow(0.0, -INFINITY);
      SDLTest_AssertCheck(INFINITY == result,
                          "Pow(%f,%f), expected %f, got %f",
                          0.0, -INFINITY, INFINITY, result);
  
      result = SDL_pow(-0.0, -INFINITY);
      SDLTest_AssertCheck(INFINITY == result,
                          "Pow(%f,%f), expected %f, got %f",
                          -0.0, -INFINITY, INFINITY, result);
  
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks the remaining cases where the exponent is infinity.
   */
  static int
  pow_expInfCases(void *args)
  {
      double result;
  
      result = SDL_pow(0.5, INFINITY);
      SDLTest_AssertCheck(0.0 == result,
                          "Pow(%f,%f), expected %f, got %f",
                          0.5, INFINITY, 0.0, result);
  
      result = SDL_pow(1.5, INFINITY);
      SDLTest_AssertCheck(INFINITY == result,
                          "Pow(%f,%f), expected %f, got %f",
                          1.5, INFINITY, INFINITY, result);
  
      result = SDL_pow(0.5, -INFINITY);
      SDLTest_AssertCheck(INFINITY == result,
                          "Pow(%f,%f), expected %f, got %f",
                          0.5, INFINITY, INFINITY, result);
  
      result = SDL_pow(1.5, -INFINITY);
      SDLTest_AssertCheck(0.0 == result,
                          "Pow(%f,%f), expected %f, got %f",
                          1.5, -INFINITY, 0.0, result);
  
      return TEST_COMPLETED;
  }
  
  /* Tests with positive and negative infinities as base */
  
  /**
   * \brief Checks the cases with positive infinity as base.
   */
  static int
  pow_basePInfCases(void *args)
  {
      double result;
  
      result = SDL_pow(INFINITY, -3.0);
      SDLTest_AssertCheck(0.0 == result,
                          "Pow(%f,%f), expected %f, got %f",
                          INFINITY, -3.0, 0.0, result);
  
      result = SDL_pow(INFINITY, 2.0);
      SDLTest_AssertCheck(INFINITY == result,
                          "Pow(%f,%f), expected %f, got %f",
                          INFINITY, 2.0, INFINITY, result);
  
      result = SDL_pow(INFINITY, -2.12345);
      SDLTest_AssertCheck(0.0 == result,
                          "Pow(%f,%f), expected %f, got %f",
                          INFINITY, -2.12345, 0.0, result);
  
      result = SDL_pow(INFINITY, 3.1345);
      SDLTest_AssertCheck(INFINITY == result,
                          "Pow(%f,%f), expected %f, got %f",
                          INFINITY, 3.12345, INFINITY, result);
  
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks the cases with negative infinity as base.
   */
  static int
  pow_baseNInfCases(void *args)
  {
      double result;
  
      result = SDL_pow(-INFINITY, -3.0);
      SDLTest_AssertCheck(-0.0 == result,
                          "Pow(%f,%f), expected %f, got %f",
                          -INFINITY, -3.0, -0.0, result);
  
      result = SDL_pow(-INFINITY, -2.0);
      SDLTest_AssertCheck(0.0 == result,
                          "Pow(%f,%f), expected %f, got %f",
                          -INFINITY, -2.0, 0.0, result);
  
      result = SDL_pow(-INFINITY, -5.5);
      SDLTest_AssertCheck(0.0 == result,
                          "Pow(%f,%f), expected %f, got %f",
                          -INFINITY, -5.5, 0.0, result);
  
      result = SDL_pow(-INFINITY, 3.0);
      SDLTest_AssertCheck(-INFINITY == result,
                          "Pow(%f,%f), expected %f, got %f",
                          -INFINITY, 3.0, -INFINITY, result);
  
      result = SDL_pow(-INFINITY, 2.0);
      SDLTest_AssertCheck(INFINITY == result,
                          "Pow(%f,%f), expected %f, got %f",
                          -INFINITY, 2.0, INFINITY, result);
  
      result = SDL_pow(-INFINITY, 5.5);
      SDLTest_AssertCheck(INFINITY == result,
                          "Pow(%f,%f), expected %f, got %f",
                          -INFINITY, 5.5, INFINITY, result);
  
      return TEST_COMPLETED;
  }
  
  /* Tests related to nan */
  
  /**
   * \brief Checks the case where the base is finite and negative and exponent is finite and non-integer.
   */
  static int
  pow_badOperationCase(void *args)
  {
      const double result = SDL_pow(-2.0, 4.2);
      SDLTest_AssertCheck(isnan(result),
                          "Pow(%f,%f), expected %f, got %f",
                          -2.0, 4.2, NAN, result);
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks the case where the exponent is nan but the base is 1.
   */
  static int
  pow_base1ExpNanCase(void *args)
  {
      const double result = SDL_pow(1.0, NAN);
      SDLTest_AssertCheck(1.0 == result,
                          "Pow(%f,%f), expected %f, got %f",
                          1.0, NAN, 1.0, result);
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks the cases where the base is nan but the exponent is 0.
   */
  static int
  pow_baseNanExp0Cases(void *args)
  {
      double result;
  
      result = SDL_pow(NAN, 0.0);
      SDLTest_AssertCheck(1.0 == result,
                          "Pow(%f,%f), expected %f, got %f",
                          NAN, 0.0, 1.0, result);
      return TEST_COMPLETED;
  
      result = SDL_pow(NAN, -0.0);
      SDLTest_AssertCheck(1.0 == result,
                          "Pow(%f,%f), expected %f, got %f",
                          NAN, -0.0, 1.0, result);
  
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks the cases where either argument is nan.
   */
  static int
  pow_nanArgsCases(void *args)
  {
      double result;
  
      result = SDL_pow(7.8, NAN);
      SDLTest_AssertCheck(isnan(result),
                          "Pow(%f,%f), expected %f, got %f",
                          7.8, NAN, NAN, result);
  
      result = SDL_pow(NAN, 10.0);
      SDLTest_AssertCheck(isnan(result),
                          "Pow(%f,%f), expected %f, got %f",
                          NAN, 10.0, NAN, result);
  
      result = SDL_pow(NAN, NAN);
      SDLTest_AssertCheck(isnan(result),
                          "Pow(%f,%f), expected %f, got %f",
                          NAN, NAN, NAN, result);
  
      return TEST_COMPLETED;
  }
  
  /* Tests with positive and negative zeros as base */
  
  /**
   * \brief Checks cases with negative zero as base and an odd exponent.
   */
  static int
  pow_baseNZeroExpOddCases(void *args)
  {
      double result;
  
      result = SDL_pow(-0.0, -3.0);
      SDLTest_AssertCheck(-INFINITY == result,
                          "Pow(%f,%f), expected %f, got %f",
                          -0.0, -3.0, -INFINITY, result);
  
      result = SDL_pow(-0.0, 3.0);
      SDLTest_AssertCheck(-0.0 == result,
                          "Pow(%f,%f), expected %f, got %f",
                          -0.0, 3.0, -0.0, result);
  
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks cases with positive zero as base and an odd exponent.
   */
  static int
  pow_basePZeroExpOddCases(void *args)
  {
      double result;
  
      result = SDL_pow(0.0, -5.0);
      SDLTest_AssertCheck(INFINITY == result,
                          "Pow(%f,%f), expected %f, got %f",
                          0.0, -5.0, INFINITY, result);
  
      result = SDL_pow(0.0, 5.0);
      SDLTest_AssertCheck(0.0 == result,
                          "Pow(%f,%f), expected %f, got %f",
                          0.0, 5.0, 0.0, result);
  
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks cases with negative zero as base and the exponent is finite and even or non-integer.
   */
  static int
  pow_baseNZeroCases(void *args)
  {
      double result;
  
      result = SDL_pow(-0.0, -3.5);
      SDLTest_AssertCheck(INFINITY == result,
                          "Pow(%f,%f), expected %f, got %f",
                          -0.0, -3.5, INFINITY, result);
  
      result = SDL_pow(-0.0, -4.0);
      SDLTest_AssertCheck(INFINITY == result,
                          "Pow(%f,%f), expected %f, got %f",
                          -0.0, -4.0, INFINITY, result);
  
      result = SDL_pow(-0.0, 3.5);
      SDLTest_AssertCheck(0.0 == result,
                          "Pow(%f,%f), expected %f, got %f",
                          -0.0, 3.5, 0.0, result);
  
      result = SDL_pow(-0.0, 4.0);
      SDLTest_AssertCheck(0.0 == result,
                          "Pow(%f,%f), expected %f, got %f",
                          -0.0, 4.0, 0.0, result);
  
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks cases with positive zero as base and the exponent is finite and even or non-integer.
   */
  static int
  pow_basePZeroCases(void *args)
  {
      double result;
  
      result = SDL_pow(0.0, -3.5);
      SDLTest_AssertCheck(INFINITY == result,
                          "Pow(%f,%f), expected %f, got %f",
                          0.0, -3.5, INFINITY, result);
  
      result = SDL_pow(0.0, -4.0);
      SDLTest_AssertCheck(INFINITY == result,
                          "Pow(%f,%f), expected %f, got %f",
                          0.0, -4.0, INFINITY, result);
  
      result = SDL_pow(0.0, 3.5);
      SDLTest_AssertCheck(0.0 == result,
                          "Pow(%f,%f), expected %f, got %f",
                          0.0, 3.5, 0.0, result);
  
      result = SDL_pow(0.0, 4.0);
      SDLTest_AssertCheck(0.0 == result,
                          "Pow(%f,%f), expected %f, got %f",
                          0.0, 4.0, 0.0, result);
  
      return TEST_COMPLETED;
  }
  
  /* Remaining tests */
  
  /**
   * \brief Checks a set of regular values.
   */
  static int
  pow_regularCases(void *args)
  {
      const dd_to_d regular_cases[] = {
          { -391.25, -2.0, 0.00000653267870448815438463212659780943170062528224661946296691894531250 },
          { -72.3, 12.0, 20401381050275984310272.0 },
          { -5.0, 3.0, -125.0 },
          { 3.0, 2.5, 15.58845726811989607085706666111946105957031250 },
          { 39.23, -1.5, 0.0040697950366865498147972424192175822099670767784118652343750 },
          { 478.972, 12.125, 315326359630449587856007411793920.0 }
      };
      return helper_ddtod("Pow", SDL_pow, regular_cases, SDL_arraysize(regular_cases));
  }
  
  /**
   * \brief Checks the powers of two from 1 to 8.
   */
  static int
  pow_powerOfTwo(void *args)
  {
      const dd_to_d power_of_two_cases[] = {
          { 2.0, 1, 2.0 },
          { 2.0, 2, 4.0 },
          { 2.0, 3, 8.0 },
          { 2.0, 4, 16.0 },
          { 2.0, 5, 32.0 },
          { 2.0, 6, 64.0 },
          { 2.0, 7, 128.0 },
          { 2.0, 8, 256.0 },
      };
      return helper_ddtod("Pow", SDL_pow, power_of_two_cases, SDL_arraysize(power_of_two_cases));
  }
  
  /**
   * \brief Checks a range of values between 0 and UINT32_MAX to the power of 0.
   */
  static int
  pow_rangeTest(void *args)
  {
      Uint32 i;
      double test_value = 0.0;
  
      SDLTest_AssertPass("Pow: Testing a range of %u values with steps of %u",
                         RANGE_TEST_ITERATIONS,
                         RANGE_TEST_STEP);
  
      for (i = 0; i < RANGE_TEST_ITERATIONS; i++, test_value += RANGE_TEST_STEP) {
          double result;
          /* These are tested elsewhere */
          if (isnan(test_value) || isinf(test_value)) {
              continue;
          }
  
          /* Only log failures to save performances */
          result = SDL_pow(test_value, 0.0);
          if (result != 1.0) {
              SDLTest_AssertCheck(SDL_FALSE,
                                  "Pow(%.1f,%.1f), expected %.1f, got %.1f",
                                  test_value, 1.0, 1.0, result);
              return TEST_ABORTED;
          }
  
          result = SDL_pow(test_value, -0.0);
          if (result != 1.0) {
              SDLTest_AssertCheck(SDL_FALSE,
                                  "Pow(%.1f,%.1f), expected %.1f, got %.1f",
                                  test_value, -0.0, 1.0, result);
              return TEST_ABORTED;
          }
      }
      return TEST_COMPLETED;
  }
  
  /* SDL_sqrt tests functions */
  
  /**
   * \brief Checks for positive infinity.
   */
  static int
  sqrt_infCase(void *args)
  {
      const double result = SDL_sqrt(INFINITY);
      SDLTest_AssertCheck(INFINITY == result,
                          "Sqrt(%f), expected %f, got %f",
                          INFINITY, INFINITY, result);
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks for the nan case.
   */
  static int
  sqrt_nanCase(void *args)
  {
      const double result = SDL_sqrt(NAN);
      SDLTest_AssertCheck(isnan(result),
                          "Sqrt(%f), expected %f, got %f",
                          NAN, NAN, result);
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks for out of domain values (<0).
   */
  static int
  sqrt_outOfDomainCases(void *args)
  {
      double result;
  
      result = SDL_sqrt(-1.0);
      SDLTest_AssertCheck(isnan(result),
                          "Sqrt(%f), expected %f, got %f",
                          -1.0, NAN, result);
  
      result = SDL_sqrt(-12345.6789);
      SDLTest_AssertCheck(isnan(result),
                          "Sqrt(%f), expected %f, got %f",
                          -12345.6789, NAN, result);
  
      result = SDL_sqrt(-INFINITY);
      SDLTest_AssertCheck(isnan(result),
                          "Sqrt(%f), expected %f, got %f",
                          -INFINITY, NAN, result);
  
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks a set of base cases.
   */
  static int
  sqrt_baseCases(void *args)
  {
      const d_to_d base_cases[] = {
          { -0.0, -0.0 },
          { 0.0, 0.0 },
          { 1.0, 1.0 }
      };
      return helper_dtod("Sqrt", SDL_sqrt, base_cases, SDL_arraysize(base_cases));
  }
  
  /**
   * \brief Checks a set of regular cases.
   */
  static int
  sqrt_regularCases(void *args)
  {
      const d_to_d regular_cases[] = {
          { 4.0, 2.0 },
          { 9.0, 3.0 },
          { 27.2, 5.21536192416211896727418206864967942237854003906250 },
          { 240.250, 15.5 },
          { 1337.0, 36.565010597564445049556525191292166709899902343750 },
          { 2887.12782400000014604302123188972473144531250, 53.732 },
          { 65600.0156250, 256.125 }
      };
      return helper_dtod("Sqrt", SDL_sqrt, regular_cases, SDL_arraysize(regular_cases));
  }
  
  /* SDL_scalbn tests functions */
  
  /**
   * \brief Checks for positive and negative infinity arg.
   */
  static int
  scalbn_infCases(void *args)
  {
      double result;
  
      result = SDL_scalbn(INFINITY, 1);
      SDLTest_AssertCheck(INFINITY == result,
                          "Scalbn(%f,%d), expected %f, got %f",
                          INFINITY, 1, INFINITY, result);
  
      result = SDL_scalbn(-INFINITY, 1);
      SDLTest_AssertCheck(-INFINITY == result,
                          "Scalbn(%f,%d), expected %f, got %f",
                          -INFINITY, 1, -INFINITY, result);
  
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks for positive and negative zero arg.
   */
  static int
  scalbn_baseZeroCases(void *args)
  {
      double result;
  
      result = SDL_scalbn(0.0, 1);
      SDLTest_AssertCheck(0.0 == result,
                          "Scalbn(%f,%d), expected %f, got %f",
                          0.0, 1, 0.0, result);
  
      result = SDL_scalbn(-0.0, 1);
      SDLTest_AssertCheck(-0.0 == result,
                          "Scalbn(%f,%d), expected %f, got %f",
                          -0.0, 1, -0.0, result);
  
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks for zero exp.
   */
  static int
  scalbn_expZeroCase(void *args)
  {
      const double result = SDL_scalbn(42.0, 0);
      SDLTest_AssertCheck(42.0 == result,
                          "Scalbn(%f,%d), expected %f, got %f",
                          42.0, 0, 42.0, result);
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks for NAN arg.
   */
  static int
  scalbn_nanCase(void *args)
  {
      const double result = SDL_scalbn(NAN, 2);
      SDLTest_AssertCheck(isnan(result),
                          "Scalbn(%f,%d), expected %f, got %f",
                          NAN, 2, NAN, result);
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks a set of regular values.
   *
   * This test depends on SDL_pow functionning.
   */
  static int
  scalbn_regularCases(void *args)
  {
      double result, expected;
  
      result = SDL_scalbn(2.0, 2);
      expected = 2.0 * SDL_pow(FLT_RADIX, 2);
      SDLTest_AssertCheck(result == expected,
                          "Scalbn(%f,%d), expected %f, got %f",
                          2.0, 2, expected, result);
  
      result = SDL_scalbn(1.0, 13);
      expected = 1.0 * SDL_pow(FLT_RADIX, 13);
      SDLTest_AssertCheck(result == expected,
                          "Scalbn(%f,%d), expected %f, got %f",
                          1.0, 13, expected, result);
  
      result = SDL_scalbn(2.0, -5);
      expected = 2.0 * SDL_pow(FLT_RADIX, -5);
      SDLTest_AssertCheck(result == expected,
                          "Scalbn(%f,%d), expected %f, got %f",
                          2.0, -5, expected, result);
  
      result = SDL_scalbn(-1.0, -13);
      expected = -1.0 * SDL_pow(FLT_RADIX, -13);
      SDLTest_AssertCheck(result == expected,
                          "Scalbn(%f,%d), expected %f, got %f",
                          -1.0, -13, expected, result);
  
      return TEST_COMPLETED;
  }
  
  /* SDL_cos tests functions */
  
  /**
   * \brief Checks positive and negative infinity.
   */
  static int
  cos_infCases(void *args)
  {
      double result;
  
      result = SDL_cos(INFINITY);
      SDLTest_AssertCheck(isnan(result),
                          "Cos(%f), expected %f, got %f",
                          INFINITY, NAN, result);
  
      result = SDL_cos(-INFINITY);
      SDLTest_AssertCheck(isnan(result),
                          "Cos(%f), expected %f, got %f",
                          -INFINITY, NAN, result);
  
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks for nan.
   */
  static int
  cos_nanCase(void *args)
  {
      const double result = SDL_cos(NAN);
      SDLTest_AssertCheck(isnan(result),
                          "Cos(%f), expected %f, got %f",
                          NAN, NAN, result);
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks a set of regular values.
   */
  static int
  cos_regularCases(void *args)
  {
      const d_to_d regular_cases[] = {
          { -M_PI, -1.0 },
          { -0.0, 1.0 },
          { 0.0, 1.0 },
          { M_PI, -1.0 }
      };
      return helper_dtod("Cos", SDL_cos, regular_cases, SDL_arraysize(regular_cases));
  }
  
  /**
   * \brief Checks cosine precision for the first 10 decimals.
   */
  static int
  cos_precisionTest(void *args)
  {
      Uint32 i;
      Uint32 iterations = 20;
      double angle = 0.0;
      double step = 2.0 * M_PI / iterations;
      const Sint64 expected[] = {
          10000000000, 9510565162, 8090169943, 5877852522, 3090169943,
          0, -3090169943, -5877852522, -8090169943, -9510565162,
          -10000000000, -9510565162, -8090169943, -5877852522, -3090169943,
          0, 3090169943, 5877852522, 8090169943, 9510565162
      };
      for (i = 0; i < iterations; i++, angle += step) {
          Sint64 result = (Sint64) (SDL_cos(angle) * 10000000000);
          SDLTest_AssertCheck(result == expected[i],
                              "Cos(%f), expected %lld, got %lld",
                              angle, expected[i], result);
      }
      return TEST_COMPLETED;
  }
  
  /**
   * \brief Checks a range of values between 0 and UINT32_MAX.
   */
  static int
  cos_rangeTest(void *args)
  {
      Uint32 i;
      double test_value = 0.0;
  
      SDLTest_AssertPass("Cos: Testing a range of %u values with steps of %u",
                         RANGE_TEST_ITERATIONS,
                         RANGE_TEST_STEP);
  
      for (i = 0; i < RANGE_TEST_ITERATIONS; i++, test_value += RANGE_TEST_STEP) {
          double result;
          /* These are tested elsewhere */
          if (isnan(test_value) || isinf(test_value)) {
              continue;
          }
  
          /* Only log failures to save performances */
          result = SDL_cos(test_value);
          if (result < -1.0 || result > 1.0) {
              SDLTest_AssertCheck(SDL_FALSE,
                                  "Cos(%.1f), expected [%.1f,%.1f], got %.1f",
                                  test_value, -1.0, 1.0, result);
              return TEST_ABORTED;
          }
      }
      return TEST_COMPLETED;
  }
  
  /* ================= Test References ================== */
  
  /* SDL_floor test cases */
  
  static const SDLTest_TestCaseReference floorTestInf = {
      (SDLTest_TestCaseFp) floor_infCases, "floor_infCases",
      "Check positive and negative infinity", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference floorTestZero = {
      (SDLTest_TestCaseFp) floor_zeroCases, "floor_zeroCases",
      "Check positive and negative zero", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference floorTestNan = {
      (SDLTest_TestCaseFp) floor_nanCase, "floor_nanCase",
      "Check the NaN special case", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference floorTestRound = {
      (SDLTest_TestCaseFp) floor_roundNumbersCases, "floor_roundNumberCases",
      "Check a set of round numbers", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference floorTestFraction = {
      (SDLTest_TestCaseFp) floor_fractionCases, "floor_fractionCases",
      "Check a set of fractions", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference floorTestRange = {
      (SDLTest_TestCaseFp) floor_rangeTest, "floor_rangeTest",
      "Check a range of positive integer", TEST_ENABLED
  };
  
  /* SDL_ceil test cases */
  
  static const SDLTest_TestCaseReference ceilTestInf = {
      (SDLTest_TestCaseFp) ceil_infCases, "ceil_infCases",
      "Check positive and negative infinity", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference ceilTestZero = {
      (SDLTest_TestCaseFp) ceil_zeroCases, "ceil_zeroCases",
      "Check positive and negative zero", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference ceilTestNan = {
      (SDLTest_TestCaseFp) ceil_nanCase, "ceil_nanCase",
      "Check the NaN special case", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference ceilTestRound = {
      (SDLTest_TestCaseFp) ceil_roundNumbersCases, "ceil_roundNumberCases",
      "Check a set of round numbers", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference ceilTestFraction = {
      (SDLTest_TestCaseFp) ceil_fractionCases, "ceil_fractionCases",
      "Check a set of fractions", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference ceilTestRange = {
      (SDLTest_TestCaseFp) ceil_rangeTest, "ceil_rangeTest",
      "Check a range of positive integer", TEST_ENABLED
  };
  
  /* SDL_trunc test cases */
  
  static const SDLTest_TestCaseReference truncTestInf = {
      (SDLTest_TestCaseFp) trunc_infCases, "trunc_infCases",
      "Check positive and negative infinity", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference truncTestZero = {
      (SDLTest_TestCaseFp) trunc_zeroCases, "trunc_zeroCases",
      "Check positive and negative zero", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference truncTestNan = {
      (SDLTest_TestCaseFp) trunc_nanCase, "trunc_nanCase",
      "Check the NaN special case", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference truncTestRound = {
      (SDLTest_TestCaseFp) trunc_roundNumbersCases, "trunc_roundNumberCases",
      "Check a set of round numbers", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference truncTestFraction = {
      (SDLTest_TestCaseFp) trunc_fractionCases, "trunc_fractionCases",
      "Check a set of fractions", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference truncTestRange = {
      (SDLTest_TestCaseFp) trunc_rangeTest, "trunc_rangeTest",
      "Check a range of positive integer", TEST_ENABLED
  };
  
  /* SDL_round test cases */
  
  static const SDLTest_TestCaseReference roundTestInf = {
      (SDLTest_TestCaseFp) round_infCases, "round_infCases",
      "Check positive and negative infinity", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference roundTestZero = {
      (SDLTest_TestCaseFp) round_zeroCases, "round_zeroCases",
      "Check positive and negative zero", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference roundTestNan = {
      (SDLTest_TestCaseFp) round_nanCase, "round_nanCase",
      "Check the NaN special case", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference roundTestRound = {
      (SDLTest_TestCaseFp) round_roundNumbersCases, "round_roundNumberCases",
      "Check a set of round numbers", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference roundTestFraction = {
      (SDLTest_TestCaseFp) round_fractionCases, "round_fractionCases",
      "Check a set of fractions", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference roundTestRange = {
      (SDLTest_TestCaseFp) round_rangeTest, "round_rangeTest",
      "Check a range of positive integer", TEST_ENABLED
  };
  
  /* SDL_fabs test cases */
  
  static const SDLTest_TestCaseReference fabsTestInf = {
      (SDLTest_TestCaseFp) fabs_infCases, "fabs_infCases",
      "Check positive and negative infinity", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference fabsTestZero = {
      (SDLTest_TestCaseFp) fabs_zeroCases, "fabs_zeroCases",
      "Check positive and negative zero", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference fabsTestNan = {
      (SDLTest_TestCaseFp) fabs_nanCase, "fabs_nanCase",
      "Check the NaN special case", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference fabsTestRange = {
      (SDLTest_TestCaseFp) fabs_rangeTest, "fabs_rangeTest",
      "Check a range of positive integer", TEST_ENABLED
  };
  
  /* SDL_copysign test cases */
  
  static const SDLTest_TestCaseReference copysignTestInf = {
      (SDLTest_TestCaseFp) copysign_infCases, "copysign_infCases",
      "Check positive and negative infinity", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference copysignTestZero = {
      (SDLTest_TestCaseFp) copysign_zeroCases, "copysign_zeroCases",
      "Check positive and negative zero", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference copysignTestNan = {
      (SDLTest_TestCaseFp) copysign_nanCases, "copysign_nanCases",
      "Check the NaN special cases", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference copysignTestRange = {
      (SDLTest_TestCaseFp) copysign_rangeTest, "copysign_rangeTest",
      "Check a range of positive integer", TEST_ENABLED
  };
  
  /* SDL_fmod test cases */
  
  static const SDLTest_TestCaseReference fmodTestDivOfInf = {
      (SDLTest_TestCaseFp) fmod_divOfInfCases, "fmod_divOfInfCases",
      "Check division of positive and negative infinity", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference fmodTestDivByInf = {
      (SDLTest_TestCaseFp) fmod_divByInfCases, "fmod_divByInfCases",
      "Check division by positive and negative infinity", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference fmodTestDivOfZero = {
      (SDLTest_TestCaseFp) fmod_divOfZeroCases, "fmod_divOfZeroCases",
      "Check division of positive and negative zero", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference fmodTestDivByZero = {
      (SDLTest_TestCaseFp) fmod_divByZeroCases, "fmod_divByZeroCases",
      "Check division by positive and negative zero", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference fmodTestNan = {
      (SDLTest_TestCaseFp) fmod_nanCases, "fmod_nanCases",
      "Check the NaN special cases", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference fmodTestRegular = {
      (SDLTest_TestCaseFp) fmod_regularCases, "fmod_regularCases",
      "Check a set of regular values", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference fmodTestRange = {
      (SDLTest_TestCaseFp) fmod_rangeTest, "fmod_rangeTest",
      "Check a range of positive integer", TEST_ENABLED
  };
  
  /* SDL_exp test cases */
  
  static const SDLTest_TestCaseReference expTestInf = {
      (SDLTest_TestCaseFp) exp_infCases, "exp_infCases",
      "Check positive and negative infinity", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference expTestZero = {
      (SDLTest_TestCaseFp) exp_zeroCases, "exp_zeroCases",
      "Check for positive and negative zero", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference expTestOverflow = {
      (SDLTest_TestCaseFp) exp_overflowCase, "exp_overflowCase",
      "Check for overflow", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference expTestBase = {
      (SDLTest_TestCaseFp) exp_baseCase, "exp_baseCase",
      "Check the base case of 1.0", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference expTestRegular = {
      (SDLTest_TestCaseFp) exp_regularCases, "exp_regularCases",
      "Check a set of regular values", TEST_ENABLED
  };
  
  /* SDL_log test cases */
  
  static const SDLTest_TestCaseReference logTestLimit = {
      (SDLTest_TestCaseFp) log_limitCases, "log_limitCases",
      "Check for limits", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference logTestNan = {
      (SDLTest_TestCaseFp) log_nanCases, "log_nanCases",
      "Check for the nan cases", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference logTestBase = {
      (SDLTest_TestCaseFp) log_baseCases, "log_baseCases",
      "Check for base cases", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference logTestRegular = {
      (SDLTest_TestCaseFp) log_regularCases, "log_regularCases",
      "Check a set of regular values", TEST_ENABLED
  };
  
  /* SDL_log10 test cases */
  
  static const SDLTest_TestCaseReference log10TestLimit = {
      (SDLTest_TestCaseFp) log10_limitCases, "log10_limitCases",
      "Check for limits", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference log10TestNan = {
      (SDLTest_TestCaseFp) log10_nanCases, "log10_nanCases",
      "Check for the nan cases", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference log10TestBase = {
      (SDLTest_TestCaseFp) log10_baseCases, "log10_baseCases",
      "Check for base cases", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference log10TestRegular = {
      (SDLTest_TestCaseFp) log10_regularCases, "log10_regularCases",
      "Check a set of regular values", TEST_ENABLED
  };
  
  /* SDL_pow test cases */
  
  static const SDLTest_TestCaseReference powTestExpInf1 = {
      (SDLTest_TestCaseFp) pow_baseNOneExpInfCases, "pow_baseNOneExpInfCases",
      "Check for pow(-1, +/-inf)", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference powTestExpInf2 = {
      (SDLTest_TestCaseFp) pow_baseZeroExpNInfCases, "pow_baseZeroExpNInfCases",
      "Check for pow(+/-0, -inf)", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference powTestExpInf3 = {
      (SDLTest_TestCaseFp) pow_expInfCases, "pow_expInfCases",
      "Check for pow(x, +/-inf)", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference powTestBaseInf1 = {
      (SDLTest_TestCaseFp) pow_basePInfCases, "pow_basePInfCases",
      "Check for pow(inf, x)", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference powTestBaseInf2 = {
      (SDLTest_TestCaseFp) pow_baseNInfCases, "pow_baseNInfCases",
      "Check for pow(-inf, x)", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference powTestNan1 = {
      (SDLTest_TestCaseFp) pow_badOperationCase, "pow_badOperationCase",
      "Check for negative finite base and non-integer finite exponent", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference powTestNan2 = {
      (SDLTest_TestCaseFp) pow_base1ExpNanCase, "pow_base1ExpNanCase",
      "Check for pow(1.0, nan)", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference powTestNan3 = {
      (SDLTest_TestCaseFp) pow_baseNanExp0Cases, "pow_baseNanExp0Cases",
      "Check for pow(nan, +/-0)", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference powTestNan4 = {
      (SDLTest_TestCaseFp) pow_nanArgsCases, "pow_nanArgsCases",
      "Check for pow(x, y) with either x or y being nan", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference powTestZero1 = {
      (SDLTest_TestCaseFp) pow_baseNZeroExpOddCases, "pow_baseNZeroExpOddCases",
      "Check for pow(-0.0, y), with y an odd integer.", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference powTestZero2 = {
      (SDLTest_TestCaseFp) pow_basePZeroExpOddCases, "pow_basePZeroExpOddCases",
      "Check for pow(0.0, y), with y an odd integer.", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference powTestZero3 = {
      (SDLTest_TestCaseFp) pow_baseNZeroCases, "pow_baseNZeroCases",
      "Check for pow(-0.0, y), with y finite and even or non-integer number", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference powTestZero4 = {
      (SDLTest_TestCaseFp) pow_basePZeroCases, "pow_basePZeroCases",
      "Check for pow(0.0, y), with y finite and even or non-integer number", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference powTestRegular = {
      (SDLTest_TestCaseFp) pow_regularCases, "pow_regularCases",
      "Check a set of regular values", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference powTestPowOf2 = {
      (SDLTest_TestCaseFp) pow_powerOfTwo, "pow_powerOfTwo",
      "Check the powers of two from 1 to 8", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference powTestRange = {
      (SDLTest_TestCaseFp) pow_rangeTest, "pow_rangeTest",
      "Check a range of positive integer to the power of 0", TEST_ENABLED
  };
  
  /* SDL_sqrt test cases */
  
  static const SDLTest_TestCaseReference sqrtTestInf = {
      (SDLTest_TestCaseFp) sqrt_infCase, "sqrt_infCase",
      "Check positive infinity", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference sqrtTestNan = {
      (SDLTest_TestCaseFp) sqrt_nanCase, "sqrt_nanCase",
      "Check the NaN special case", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference sqrtTestDomain = {
      (SDLTest_TestCaseFp) sqrt_outOfDomainCases, "sqrt_outOfDomainCases",
      "Check for out of domain values", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference sqrtTestBase = {
      (SDLTest_TestCaseFp) sqrt_baseCases, "sqrt_baseCases",
      "Check the base cases", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference sqrtTestRegular = {
      (SDLTest_TestCaseFp) sqrt_regularCases, "sqrt_regularCases",
      "Check a set of regular values", TEST_ENABLED
  };
  
  /* SDL_scalbn test cases */
  
  static const SDLTest_TestCaseReference scalbnTestInf = {
      (SDLTest_TestCaseFp) scalbn_infCases, "scalbn_infCases",
      "Check positive and negative infinity arg", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference scalbnTestBaseZero = {
      (SDLTest_TestCaseFp) scalbn_baseZeroCases, "scalbn_baseZeroCases",
      "Check for positive and negative zero arg", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference scalbnTestExpZero = {
      (SDLTest_TestCaseFp) scalbn_expZeroCase, "scalbn_expZeroCase",
      "Check for zero exp", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference scalbnTestNan = {
      (SDLTest_TestCaseFp) scalbn_nanCase, "scalbn_nanCase",
      "Check the NaN special case", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference scalbnTestRegular = {
      (SDLTest_TestCaseFp) scalbn_regularCases, "scalbn_regularCases",
      "Check a set of regular cases", TEST_ENABLED
  };
  
  /* SDL_cos test cases */
  
  static const SDLTest_TestCaseReference cosTestInf = {
      (SDLTest_TestCaseFp) cos_infCases, "cos_infCases",
      "Check for positive and negative infinity", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference cosTestNan = {
      (SDLTest_TestCaseFp) cos_nanCase, "cos_nanCase",
      "Check the NaN special case", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference cosTestRegular = {
      (SDLTest_TestCaseFp) cos_regularCases, "cos_regularCases",
      "Check a set of regular cases", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference cosTestPrecision = {
      (SDLTest_TestCaseFp) cos_precisionTest, "cos_precisionTest",
      "Check cosine precision to the tenth decimal", TEST_ENABLED
  };
  static const SDLTest_TestCaseReference cosTestRange = {
      (SDLTest_TestCaseFp) cos_rangeTest, "cos_rangeTest",
      "Check a range of positive integer", TEST_ENABLED
  };
  
  static const SDLTest_TestCaseReference *mathTests[] = {
      &floorTestInf, &floorTestZero, &floorTestNan,
      &floorTestRound, &floorTestFraction, &floorTestRange,
  
      &ceilTestInf, &ceilTestZero, &ceilTestNan,
      &ceilTestRound, &ceilTestFraction, &ceilTestRange,
  
      &truncTestInf, &truncTestZero, &truncTestNan,
      &truncTestRound, &truncTestFraction, &truncTestRange,
  
      &roundTestInf, &roundTestZero, &roundTestNan,
      &roundTestRound, &roundTestFraction, &roundTestRange,
  
      &fabsTestInf, &fabsTestZero, &fabsTestNan, &fabsTestRange,
  
      &copysignTestInf, &copysignTestZero, &copysignTestNan, &copysignTestRange,
  
      &fmodTestDivOfInf, &fmodTestDivByInf, &fmodTestDivOfZero, &fmodTestDivByZero,
      &fmodTestNan, &fmodTestRegular, &fmodTestRange,
  
      &expTestInf, &expTestZero, &expTestOverflow,
      &expTestBase, &expTestRegular,
  
      &logTestLimit, &logTestNan,
      &logTestBase, &logTestRegular,
  
      &log10TestLimit, &log10TestNan,
      &log10TestBase, &log10TestRegular,
  
      &powTestExpInf1, &powTestExpInf2, &powTestExpInf3,
      &powTestBaseInf1, &powTestBaseInf2,
      &powTestNan1, &powTestNan2, &powTestNan3, &powTestNan4,
      &powTestZero1, &powTestZero2, &powTestZero3, &powTestZero4,
      &powTestRegular, &powTestPowOf2, &powTestRange,
  
      &sqrtTestInf, &sqrtTestNan, &sqrtTestDomain,
      &sqrtTestBase, &sqrtTestRegular,
  
      &scalbnTestInf, &scalbnTestBaseZero, &scalbnTestExpZero,
      &scalbnTestNan, &scalbnTestRegular,
  
      &cosTestInf, &cosTestNan, &cosTestRegular,
      &cosTestPrecision, &cosTestRange,
  
      NULL
  };
  
  SDLTest_TestSuiteReference mathTestSuite = { "Math", NULL, mathTests, NULL };
  

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