| 1 | // Copyright 2002 The Trustees of Indiana University. |
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| 2 | |
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| 3 | // Use, modification and distribution is subject to the Boost Software |
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| 4 | // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
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| 5 | // http://www.boost.org/LICENSE_1_0.txt) |
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| 6 | |
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| 7 | // Boost.MultiArray Library |
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| 8 | // Authors: Ronald Garcia |
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| 9 | // Jeremy Siek |
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| 10 | // Andrew Lumsdaine |
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| 11 | // See http://www.boost.org/libs/multi_array for documentation. |
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| 12 | |
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| 13 | // foreach_test.cpp |
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| 14 | // Let's see if this stuff works |
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| 15 | |
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| 16 | #include "boost/multi_array.hpp" |
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| 17 | #include "for_each.hpp" |
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| 18 | #include <algorithm> |
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| 19 | |
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| 20 | struct times_five { |
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| 21 | double operator()(const int& val) { return val*5.0; } |
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| 22 | }; |
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| 23 | |
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| 24 | |
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| 25 | int main() { |
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| 26 | |
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| 27 | typedef boost::multi_array<double,2> array; |
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| 28 | |
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| 29 | double data[] = { |
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| 30 | 1.0, 2.0, 3.0, |
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| 31 | 4.0, 5.0, 6.0, |
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| 32 | 7.0, 8.0, 9.0 |
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| 33 | }; |
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| 34 | const int data_size=9; |
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| 35 | |
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| 36 | array A(boost::extents[3][3]); |
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| 37 | A.assign(begin: data,end: data+data_size); |
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| 38 | |
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| 39 | #if 0 |
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| 40 | std::copy(A.data(),A.data()+A.num_elements(), |
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| 41 | std::ostream_iterator<double>(std::cout,"," )); |
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| 42 | |
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| 43 | std::cout << "\n" ; |
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| 44 | #endif |
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| 45 | for_each(A,xform: times_five()); |
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| 46 | |
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| 47 | #if 0 |
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| 48 | std::copy(A.data(),A.data()+A.num_elements(), |
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| 49 | std::ostream_iterator<double>(std::cout,"," )); |
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| 50 | |
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| 51 | std::cout << "\n" ; |
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| 52 | #endif |
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| 53 | return 0; |
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| 54 | } |
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| 55 | |
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