gcc/libffi/testsuite/libffi.call/many.c

70 lines
1.3 KiB
C

/* Area: ffi_call
Purpose: Check return value float, with many arguments
Limitations: none.
PR: none.
Originator: From the original ffitest.c */
/* { dg-do run } */
#include "ffitest.h"
#include <float.h>
static float many(float f1,
float f2,
float f3,
float f4,
float f5,
float f6,
float f7,
float f8,
float f9,
float f10,
float f11,
float f12,
float f13)
{
#if 0
printf("%f %f %f %f %f %f %f %f %f %f %f %f %f\n",
(double) f1, (double) f2, (double) f3, (double) f4, (double) f5,
(double) f6, (double) f7, (double) f8, (double) f9, (double) f10,
(double) f11, (double) f12, (double) f13);
#endif
return ((f1/f2+f3/f4+f5/f6+f7/f8+f9/f10+f11/f12) * f13);
}
int main (void)
{
ffi_cif cif;
ffi_type *args[13];
void *values[13];
float fa[13];
float f, ff;
int i;
for (i = 0; i < 13; i++)
{
args[i] = &ffi_type_float;
values[i] = &fa[i];
fa[i] = (float) i;
}
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 13,
&ffi_type_float, args) == FFI_OK);
ffi_call(&cif, FFI_FN(many), &f, values);
ff = many(fa[0], fa[1],
fa[2], fa[3],
fa[4], fa[5],
fa[6], fa[7],
fa[8], fa[9],
fa[10],fa[11],fa[12]);
if (f - ff < FLT_EPSILON)
exit(0);
else
abort();
}