/************************************************************************** * * valarray.cpp -- valarray example * * $Id: valarray.cpp 584973 2007-10-15 23:40:04Z sebor $ * *************************************************************************** * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed * with this work for additional information regarding copyright * ownership. The ASF licenses this file to you under the Apache * License, Version 2.0 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or * implied. See the License for the specific language governing * permissions and limitations under the License. * * Copyright 1994-2007 Rogue Wave Software, Inc. * **************************************************************************/ #include // for size_t #include // for cout #include // for valarray #include template inline std::ostream& operator<< (std::ostream &out, const std::valarray &v) { out << '['; for (std::size_t i = 0; i < v.size (); ++i) { out << v [i]; if (i < v.size () - 1) out << ','; } return out << ']'; } int main () { const int ibuf[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 }; const int ibuf2[] = { 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 }; // create 2 valarrays of ints std::valarray vi (ibuf, sizeof ibuf / sizeof *ibuf); std::valarray vi2 (ibuf2, sizeof ibuf2 / sizeof *ibuf2); // print them out std::cout << vi << '\n' << vi2 << '\n'; vi += vi2; vi2 *= 2; std::valarray vi3 = vi2 % vi; // print them out again std::cout << vi << '\n' << vi2 << '\n' << vi3 << '\n'; return 0; }