diff options
Diffstat (limited to 'testsuite/libffi.call/cls_float.c')
-rw-r--r-- | testsuite/libffi.call/cls_float.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/testsuite/libffi.call/cls_float.c b/testsuite/libffi.call/cls_float.c new file mode 100644 index 0000000..0090fed --- /dev/null +++ b/testsuite/libffi.call/cls_float.c @@ -0,0 +1,42 @@ +/* Area: closure_call + Purpose: Check return value float. + Limitations: none. + PR: none. + Originator: <andreast@gcc.gnu.org> 20030828 */ + +/* { dg-do run } */ +#include "ffitest.h" + +static void cls_ret_float_fn(ffi_cif* cif __UNUSED__, void* resp, void** args, + void* userdata __UNUSED__) + { + *(float *)resp = *(float *)args[0]; + + printf("%g: %g\n",*(float *)args[0], + *(float *)resp); + } + +typedef float (*cls_ret_float)(float); + +int main (void) +{ + ffi_cif cif; + void *code; + ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code); + ffi_type * cl_arg_types[2]; + float res; + + cl_arg_types[0] = &ffi_type_float; + cl_arg_types[1] = NULL; + + /* Initialize the cif */ + CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, + &ffi_type_float, cl_arg_types) == FFI_OK); + + CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_float_fn, NULL, code) == FFI_OK); + res = ((((cls_ret_float)code)(-2122.12))); + /* { dg-output "\\-2122.12: \\-2122.12" } */ + printf("res: %.6f\n", res); + /* { dg-output "\nres: \-2122.120117" } */ + exit(0); +} |