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python3.2  3.2.2
Typedefs | Functions
cls_float.c File Reference
#include "ffitest.h"

Go to the source code of this file.


typedef float(* cls_ret_float )(float)


static void cls_ret_float_fn (ffi_cif *cif __UNUSED__, void *resp, void **args, void *userdata __UNUSED__)
int main (void)

Typedef Documentation

typedef float(* cls_ret_float)(float)

Definition at line 19 of file cls_float.c.

Function Documentation

static void cls_ret_float_fn ( ffi_cif *cif  __UNUSED__,
void resp,
void **  args,
void *userdata  __UNUSED__ 
) [static]

Definition at line 10 of file cls_float.c.

   *(float *)resp = *(float *)args[0];

   printf("%g: %g\n",*(float *)args[0],
         *(float *)resp);

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int main ( void  )

Definition at line 21 of file cls_float.c.

  ffi_cif cif;
  void *code;
  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
  ffi_type * cl_arg_types[2];
  float res;

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

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

  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_float_fn, NULL, code)  == FFI_OK);
  res = ((((cls_ret_float)code)(-2122.12)));
  /* { dg-output "\\-2122.12: \\-2122.12" } */
  printf("res: %.6f\n", res);
  /* { dg-output "\nres: \-2122.120117" } */

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