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author | Jari Vetoniemi <jari.vetoniemi@indooratlas.com> | 2020-03-16 18:49:26 +0900 |
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committer | Jari Vetoniemi <jari.vetoniemi@indooratlas.com> | 2020-03-30 00:39:06 +0900 |
commit | fcbf63e62c627deae76c1b8cb8c0876c536ed811 (patch) | |
tree | 64cb17de3f41a2b6fef2368028fbd00349946994 /jni/ruby/ext/fiddle/libffi-3.2.1/testsuite/libffi.call/return_dbl.c |
Fresh start
Diffstat (limited to 'jni/ruby/ext/fiddle/libffi-3.2.1/testsuite/libffi.call/return_dbl.c')
-rw-r--r-- | jni/ruby/ext/fiddle/libffi-3.2.1/testsuite/libffi.call/return_dbl.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/jni/ruby/ext/fiddle/libffi-3.2.1/testsuite/libffi.call/return_dbl.c b/jni/ruby/ext/fiddle/libffi-3.2.1/testsuite/libffi.call/return_dbl.c new file mode 100644 index 0000000..fd07e50 --- /dev/null +++ b/jni/ruby/ext/fiddle/libffi-3.2.1/testsuite/libffi.call/return_dbl.c @@ -0,0 +1,36 @@ +/* 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); +} |