diff options
Diffstat (limited to 'libffi/testsuite/libffi.call/return_dbl.c')
-rw-r--r-- | libffi/testsuite/libffi.call/return_dbl.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/libffi/testsuite/libffi.call/return_dbl.c b/libffi/testsuite/libffi.call/return_dbl.c new file mode 100644 index 000000000..1aab403d9 --- /dev/null +++ b/libffi/testsuite/libffi.call/return_dbl.c @@ -0,0 +1,35 @@ +/* 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); +} |