cxx/test/numerics/numarray/template.valarray/valarray.cons/initializer_list.pass.cpp
2011-08-12 21:56:02 +00:00

42 lines
1.1 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <valarray>
// template<class T> class valarray;
// valarray(initializer_list<value_type>);
#include <valarray>
#include <cassert>
int main()
{
#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
{
typedef int T;
T a[] = {1, 2, 3, 4, 5};
const unsigned N = sizeof(a)/sizeof(a[0]);
std::valarray<T> v = {1, 2, 3, 4, 5};
assert(v.size() == N);
for (int i = 0; i < N; ++i)
assert(v[i] == a[i]);
}
{
typedef double T;
T a[] = {1, 2, 3, 4, 5};
const unsigned N = sizeof(a)/sizeof(a[0]);
std::valarray<T> v = {1, 2, 3, 4, 5};
assert(v.size() == N);
for (int i = 0; i < N; ++i)
assert(v[i] == a[i]);
}
#endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
}