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

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  • Author : Richard Henderson
    Date : 2014-11-14 11:00:14
    Hash : c952a92e
    Message : 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.

  • testsuite/libffi.complex/cls_complex.inc 
  • /* -*-c-*- */
#include "ffitest.h"
#include <complex.h>

static void cls_ret_complex_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
			      void* userdata __UNUSED__)
 {
   _Complex T_C_TYPE *pa;
   _Complex T_C_TYPE *pr;
   pa = (_Complex T_C_TYPE *)args[0];
   pr = (_Complex T_C_TYPE *)resp;
   *pr = *pa;

   printf("%.6f,%.6fi: %.6f,%.6fi\n",
	  T_CONV creal (*pa), T_CONV cimag (*pa),
	  T_CONV creal (*pr), T_CONV cimag (*pr));
 }
typedef _Complex T_C_TYPE (*cls_ret_complex)(_Complex T_C_TYPE);

int main (void)
{
  ffi_cif cif;
  void *code;
  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
  ffi_type * cl_arg_types[2];
  _Complex T_C_TYPE res;

  cl_arg_types[0] = &T_FFI_TYPE;
  cl_arg_types[1] = NULL;

  /* Initialize the cif */
  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
		     &T_FFI_TYPE, cl_arg_types) == FFI_OK);

  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_complex_fn, NULL, code)  == FFI_OK);

  res = (*((cls_ret_complex)code))(0.125 + 128.0 * I);
  printf("res: %.6f,%.6fi\n", T_CONV creal (res), T_CONV cimag (res));
  CHECK (res == (0.125 + 128.0 * I));

  exit(0);
}