Mercurial > hg > CbC > CbC_gcc
view libffi/testsuite/libffi.call/return_dbl.c @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 04ced10e8804 |
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/* Area: ffi_call Purpose: Check return value double. Limitations: none. PR: none. Originator: <andreast@gcc.gnu.org> 20050212 */ /* { dg-do run } */ #include "ffitest.h" static double return_dbl(double dbl) { printf ("%f\n", dbl); return 2 * dbl; } int main (void) { ffi_cif cif; ffi_type *args[MAX_ARGS]; void *values[MAX_ARGS]; double dbl, rdbl; args[0] = &ffi_type_double; values[0] = &dbl; /* Initialize the cif */ CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, &ffi_type_double, args) == FFI_OK); for (dbl = -127.3; dbl < 127; dbl++) { ffi_call(&cif, FFI_FN(return_dbl), &rdbl, values); printf ("%f vs %f\n", rdbl, return_dbl(dbl)); CHECK(rdbl == 2 * dbl); } exit(0); }