62 lines
2.4 KiB
C++
62 lines
2.4 KiB
C++
// Copyright 2015 Conrad Sanderson (http://conradsanderson.id.au)
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// Copyright 2015 National ICT Australia (NICTA)
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// ------------------------------------------------------------------------
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#include <armadillo>
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#include "catch.hpp"
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using namespace arma;
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TEST_CASE("fn_find_1")
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{
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mat A =
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"\
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0.061198 0.201990 0.019678 -0.493936 -0.126745 0.051408;\
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0.437242 0.058956 -0.149362 -0.045465 0.296153 0.035437;\
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-0.492474 -0.031309 0.314156 0.419733 0.068317 -0.454499;\
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0.336352 0.411541 0.458476 -0.393139 -0.135040 0.373833;\
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0.239585 -0.428913 -0.406953 -0.291020 -0.353768 0.258704;\
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";
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A(2,2) = 0.0;
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uvec indices_nonzero = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29 };
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uvec indices_zero = { 12 };
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uvec indices_greaterthan_00 = { 0, 1, 3, 4, 5, 6, 8, 10, 13, 17, 21, 22, 25, 26, 28, 29 };
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uvec indices_lessthan_00 = { 2, 7, 9, 11, 14, 15, 16, 18, 19, 20, 23, 24, 27 };
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uvec indices_greaterthan_04 = { 1, 8, 13, 17 };
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uvec indices_lessthan_neg04 = { 2, 9, 14, 15, 27 };
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REQUIRE( accu(abs( conv_to<vec>::from(find(A )) - conv_to<vec>::from(indices_nonzero ) )) == Approx(0.0) );
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REQUIRE( accu(abs( conv_to<vec>::from(find(A == 0.0)) - conv_to<vec>::from(indices_zero ) )) == Approx(0.0) );
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REQUIRE( accu(abs( conv_to<vec>::from(find(A > 0.0)) - conv_to<vec>::from(indices_greaterthan_00) )) == Approx(0.0) );
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REQUIRE( accu(abs( conv_to<vec>::from(find(A < 0.0)) - conv_to<vec>::from(indices_lessthan_00 ) )) == Approx(0.0) );
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REQUIRE( accu(abs( conv_to<vec>::from(find(A > 0.4)) - conv_to<vec>::from(indices_greaterthan_04) )) == Approx(0.0) );
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REQUIRE( accu(abs( conv_to<vec>::from(find(A < -0.4)) - conv_to<vec>::from(indices_lessthan_neg04) )) == Approx(0.0) );
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// REQUIRE_THROWS( );
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}
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