kc3-lang/libffi/testsuite/libffi.complex/return_complex.inc

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• Hash : c952a92e
  Author :
  Date : 2014-11-14T11:00:14
  

  testsuite: Move complex tests to their own subdirectory It seems a bit silly to isolate them by globbing vs "*complex*" when we can just as easily put them in their own subdirectory.

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• testsuite/libffi.complex/return_complex.inc

• /* -*-c-*- */
  #include "ffitest.h"
  #include <complex.h>
  
  static _Complex T_C_TYPE return_c(_Complex T_C_TYPE c)
  {
    printf ("%f,%fi\n", T_CONV creal (c), T_CONV cimag (c));
    return 2 * c;
  }
  int main (void)
  {
    ffi_cif cif;
    ffi_type *args[MAX_ARGS];
    void *values[MAX_ARGS];
    _Complex T_C_TYPE c, rc, rc2;
    T_C_TYPE cr, ci;
  
    args[0] = &T_FFI_TYPE;
    values[0] = &c;
  
    /* Initialize the cif */
    CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
  		     &T_FFI_TYPE, args) == FFI_OK);
  
    for (cr = -127.0; cr <  127; cr++)
      {
        ci = 1000.0 - cr;
        c = cr + ci * I;
        ffi_call(&cif, FFI_FN(return_c), &rc, values);
        rc2 = return_c(c);
        printf ("%f,%fi vs %f,%fi\n",
  	      T_CONV creal (rc), T_CONV cimag (rc),
  	      T_CONV creal (rc2), T_CONV cimag (rc2));
        CHECK(rc == 2 * c);
      }
    exit(0);
  }
  

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