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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libffi/] [testsuite/] [libffi.call/] [return_dbl.c] - Rev 791
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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) { 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); }
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