libcxx/test/std/numerics/numarray/valarray.nonmembers/valarray.binary/divide_value_valarray.pass.cpp

   1 //===----------------------------------------------------------------------===//
   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
   9 // <valarray>
  10
  11 // template<class T> class valarray;
  12
  13 // template<class T> valarray<T> operator/(const T& x, const valarray<T>& y);
  14
  15 #include <valarray>
  16 #include <cassert>
  17 #include <cstddef>
  18
  19 #include "test_macros.h"
  20
  21 int main(int, char**)
  22 {
  23     {
  24         typedef int T;
  25         T a1[] = {1,  2,  3,  4,  5};
  26         T a2[] = {3,  1,  1,  0,  0};
  27         const unsigned N = sizeof(a1)/sizeof(a1[0]);
  28         std::valarray<T> v1(a1, N);
  29         std::valarray<T> v2 = 3 / v1;
  30         assert(v1.size() == v2.size());
  31         for (std::size_t i = 0; i < v2.size(); ++i)
  32             assert(v2[i] == a2[i]);
  33     }
  34
  35   return 0;
  36 }