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78 lines
1.1 KiB
C++
78 lines
1.1 KiB
C++
//
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// resize.cpp - Test of resizing multi_arrays
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//
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#include "boost/test/test_tools.hpp"
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#include "boost/multi_array.hpp"
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#include <iostream>
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using namespace std;
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template <typename Array>
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void print(std::ostream& os, const Array& A)
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{
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typename Array::const_iterator i;
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os << "[";
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for (i = A.begin(); i != A.end(); ++i) {
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print(os, *i);
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if (boost::next(i) != A.end())
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os << ',';
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}
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os << "]";
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}
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void print(std::ostream& os, const int& x)
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{
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os << x;
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}
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int main() {
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typedef boost::multi_array<int,3> marray;
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int A_data[] = {
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0,1,2,3,
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4,5,6,7,
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8,9,10,11,
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12,13,14,15,
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16,17,18,19,
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20,21,22,23
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};
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marray A(boost::extents[2][3][4]);
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A.assign(A_data,A_data+(2*3*4));
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A.resize(boost::extents[4][3][2]);
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int A_resize[] = {
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0,1,
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4,5,
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8,9,
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12,13,
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16,17,
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20,21,
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0,0,
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0,0,
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0,0,
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0,0,
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0,0,
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0,0
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};
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BOOST_TEST(std::equal(A_resize,A_resize+(4*3*2),A.data()));
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{
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marray defaultA;
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defaultA.resize(boost::extents[2][3][4]);
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BOOST_TEST(std::accumulate(defaultA.data(),
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defaultA.data()+(2*3*4),0) == 0);
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}
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}
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