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/* Area: ffi_call
Purpose: Check return value double.
Limitations: none.
PR: none.
Originator: From the original ffitest.c */
/* { dg-do run } */
#include "ffitest.h"
#include "float.h"
static double dblit(float f)
{
return f/3.0;
}
int main (void)
{
ffi_cif cif;
ffi_type *args[MAX_ARGS];
void *values[MAX_ARGS];
float f;
double d;
args[0] = &ffi_type_float;
values[0] = &f;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
&ffi_type_double, args) == FFI_OK);
f = 3.14159;
ffi_call(&cif, FFI_FN(dblit), &d, values);
/* These are not always the same!! Check for a reasonable delta */
CHECK(d - dblit(f) < DBL_EPSILON);
exit(0);
}
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