Commit b06eda55e902723c5df3566272b4666df9d9a68f
2022-05-16T20:02:24
Test: Fix math suite build on Win32. The cosine precision test now uses an array of double and the result gets truncated instead of casted to signed int64.
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diff --git a/test/testautomation_math.c b/test/testautomation_math.c
index 195c23b..290f244 100644
--- a/test/testautomation_math.c
+++ b/test/testautomation_math.c
@@ -1792,6 +1792,8 @@ cos_regularCases(void *args)
/**
* \brief Checks cosine precision for the first 10 decimals.
+ *
+ * This function depends on SDL_floor functioning.
*/
static int
cos_precisionTest(void *args)
@@ -1800,16 +1802,16 @@ cos_precisionTest(void *args)
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
+ const double expected[] = {
+ 10000000000.0, 9510565162.0, 8090169943.0, 5877852522.0, 3090169943.0,
+ 0.0, -3090169943.0, -5877852522.0, -8090169943.0, -9510565162.0,
+ -10000000000.0, -9510565162.0, -8090169943.0, -5877852522.0, -3090169943.0,
+ 0.0, 3090169943.0, 5877852522.0, 8090169943.0, 9510565162.0
};
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",
+ double result = SDL_cos(angle) * 1.0E10;
+ SDLTest_AssertCheck(SDL_trunc(result) == expected[i],
+ "Cos(%f), expected %f, got %f",
angle, expected[i], result);
}
return TEST_COMPLETED;