Viewing file:  float.c (1.06 KB) -rw-rw-r--
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/* Area: ffi_call
Purpose: Check return value float.
Limitations: none.
PR: none.
Originator: From the original ffitest.c */
/* { dg-do run } */
#include "ffitest.h"
static int floating(int a, float b, double c, long double d)
{
int i;
i = (int) ((float)a/b + ((float)c/(float)d));
return i;
}
int main (void)
{
ffi_cif cif;
ffi_type *args[MAX_ARGS];
void *values[MAX_ARGS];
ffi_arg rint;
float f;
signed int si1;
double d;
long double ld;
args[0] = &ffi_type_sint;
values[0] = &si1;
args[1] = &ffi_type_float;
values[1] = &f;
args[2] = &ffi_type_double;
values[2] = &d;
args[3] = &ffi_type_longdouble;
values[3] = &ld;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4,
&ffi_type_sint, args) == FFI_OK);
si1 = 6;
f = 3.14159;
d = (double)1.0/(double)3.0;
ld = 2.71828182846L;
floating (si1, f, d, ld);
ffi_call(&cif, FFI_FN(floating), &rint, values);
printf ("%d vs %d\n", (int)rint, floating (si1, f, d, ld));
CHECK((int)rint == floating(si1, f, d, ld));
exit (0);
}
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