libcxx/test/std/numerics/numarray/template.valarray/valarray.cons/initializer_list.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 // UNSUPPORTED: c++03
  10
  11 // <valarray>
  12
  13 // template<class T> class valarray;
  14
  15 // valarray(initializer_list<value_type>);
  16
  17 #include <valarray>
  18 #include <cassert>
  19
  20 #include "test_macros.h"
  21
  22 int main(int, char**)
  23 {
  24     {
  25         typedef int T;
  26         T a[] = {1, 2, 3, 4, 5};
  27         const unsigned N = sizeof(a)/sizeof(a[0]);
  28         std::valarray<T> v = {1, 2, 3, 4, 5};
  29         assert(v.size() == N);
  30         for (unsigned i = 0; i < N; ++i)
  31             assert(v[i] == a[i]);
  32     }
  33     {
  34         typedef double T;
  35         T a[] = {1, 2, 3, 4, 5};
  36         const unsigned N = sizeof(a)/sizeof(a[0]);
  37         std::valarray<T> v = {1, 2, 3, 4, 5};
  38         assert(v.size() == N);
  39         for (unsigned i = 0; i < N; ++i)
  40             assert(v[i] == a[i]);
  41     }
  42
  43   return 0;
  44 }