libc/test/include/iszero_test.c

   1 //===-- Unittests for iszero 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 #include "include/llvm-libc-macros/math-function-macros.h"
   9
  10 #include <assert.h>
  11
  12 // check if macro is defined
  13 #ifndef iszero
  14 #error "iszero macro is not defined"
  15 #else
  16 int main(void) {
  17   assert(iszero(1.0f) == 0);
  18   assert(iszero(1.0) == 0);
  19   assert(iszero(1.0L) == 0);
  20   assert(iszero(0.0f) == 1);
  21   assert(iszero(0.0) == 1);
  22   assert(iszero(0.0L) == 1);
  23   return 0;
  24 }
  25 #endif