| 1 | // |
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| 2 | // Copyright 2020 Debabrata Mandal <mandaldebabrata123@gmail.com> |
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| 3 | // |
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| 4 | // Distributed under the Boost Software License, Version 1.0 |
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| 5 | // See accompanying file LICENSE_1_0.txt or copy at |
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| 6 | // http://www.boost.org/LICENSE_1_0.txt |
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| 7 | // |
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| 8 | |
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| 9 | #include <boost/gil/histogram.hpp> |
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| 10 | |
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| 11 | #include <boost/core/lightweight_test.hpp> |
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| 12 | |
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| 13 | namespace gil = boost::gil; |
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| 14 | |
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| 15 | void check_cumulative() |
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| 16 | { |
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| 17 | gil::histogram<int> h1; |
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| 18 | for (int i = 0; i < 8; i++) |
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| 19 | { |
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| 20 | h1(i) = 1; |
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| 21 | } |
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| 22 | auto h2 = cumulative_histogram(hist: h1); |
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| 23 | bool check1 = true; |
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| 24 | for (int i = 0; i < 8; i++) |
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| 25 | { |
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| 26 | if(h2(i) != i+1) |
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| 27 | check1 = false; |
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| 28 | } |
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| 29 | BOOST_TEST(check1); |
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| 30 | |
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| 31 | gil::histogram<int , int> h3; |
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| 32 | h3(1, 3) = 1; |
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| 33 | h3(1, 4) = 2; |
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| 34 | h3(2, 1) = 3; |
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| 35 | h3(2, 2) = 1; |
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| 36 | h3(2, 5) = 2; |
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| 37 | h3(3, 2) = 3; |
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| 38 | h3(3, 9) = 1; |
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| 39 | auto h4 = cumulative_histogram(hist: h3); |
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| 40 | BOOST_TEST(h4(1, 3) == 1); |
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| 41 | BOOST_TEST(h4(1, 4) == 3); |
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| 42 | BOOST_TEST(h4(2, 1) == 3); |
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| 43 | BOOST_TEST(h4(2, 2) == 4); |
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| 44 | BOOST_TEST(h4(2, 5) == 9); |
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| 45 | BOOST_TEST(h4(3, 2) == 7); |
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| 46 | BOOST_TEST(h4(3, 9) == 13); |
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| 47 | } |
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| 48 | |
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| 49 | int main() { |
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| 50 | |
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| 51 | check_cumulative(); |
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| 52 | |
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| 53 | return boost::report_errors(); |
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| 54 | } |
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| 55 | |
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