cxx/test/numerics/numarray/template.valarray/valarray.members/resize.pass.cpp
Howard Hinnant bc8d3f97eb libcxx initial import
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-11 19:42:16 +00:00

42 lines
1.1 KiB
C++

//===----------------------------------------------------------------------===//
//
// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <valarray>
// template<class T> class valarray;
// void resize(size_t n, value_type x = value_type());
#include <valarray>
#include <cassert>
int main()
{
{
typedef int T;
T a1[] = {1, 2, 3, 4, 5};
const unsigned N1 = sizeof(a1)/sizeof(a1[0]);
std::valarray<T> v1(a1, N1);
v1.resize(8);
assert(v1.size() == 8);
for (int i = 0; i < v1.size(); ++i)
assert(v1[i] == 0);
v1.resize(0);
assert(v1.size() == 0);
v1.resize(80);
assert(v1.size() == 80);
for (int i = 0; i < v1.size(); ++i)
assert(v1[i] == 0);
v1.resize(40);
assert(v1.size() == 40);
for (int i = 0; i < v1.size(); ++i)
assert(v1[i] == 0);
}
}