| /* 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); |
| |
| } |
