xref: /aosp_15_r20/external/llvm-libc/test/include/issignaling_test.c (revision 71db0c75aadcf003ffe3238005f61d7618a3fead)
1 //===-- Unittests for issignaling 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 // SPDSList-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 int issignaling(double);
9 int issignalingf(float);
10 int issignalingl(long double);
11 
12 #include "include/llvm-libc-macros/math-function-macros.h"
13 
14 #include <assert.h>
15 
16 // check if macro is defined
17 #ifndef issignaling
18 #error "issignaling macro is not defined"
19 #else
main(void)20 int main(void) {
21   assert(issignaling(__builtin_nans("")) == 1);
22   assert(issignaling(__builtin_nansf("")) == 1);
23   assert(issignaling(__builtin_nansl("")) == 1);
24   assert(issignaling(1.819f) == 0);
25   assert(issignaling(-1.726) == 0);
26   assert(issignaling(1.426L) == 0);
27   return 0;
28 }
29 #endif
30