| 1 | //===-- Unittests for signbit macro ---------------------------------------===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | #include "include/llvm-libc-macros/math-function-macros.h" |
| 9 | |
| 10 | #include <assert.h> |
| 11 | |
| 12 | // check if macro is defined |
| 13 | #ifndef signbit |
| 14 | #error "signbit macro is not defined" |
| 15 | #else |
| 16 | int main(void) { |
| 17 | assert(!signbit(1.0f)); |
| 18 | assert(!signbit(1.0)); |
| 19 | assert(!signbit(1.0L)); |
| 20 | assert(signbit(-1.0f)); |
| 21 | assert(signbit(-1.0)); |
| 22 | assert(signbit(-1.0L)); |
| 23 | return 0; |
| 24 | } |
| 25 | #endif |
| 26 |