126 lines
3.5 KiB
C++
126 lines
3.5 KiB
C++
// SPDX-License-Identifier: Apache-2.0
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//
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// 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_dot_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;\
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0.437242 0.058956 -0.149362 -0.045465 0.296153;\
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-0.492474 -0.031309 0.314156 0.419733 0.068317;\
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0.336352 0.411541 0.458476 -0.393139 -0.135040;\
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0.239585 -0.428913 -0.406953 -0.291020 -0.353768;\
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";
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vec a = A.head_cols(1);
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vec b = A.tail_cols(1);
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rowvec c = A.head_rows(1);
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rowvec d = A.tail_rows(1);
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REQUIRE( dot( a, b) == Approx(-0.04208883710200) );
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REQUIRE( dot(2*a,2+b) == Approx( 2.24343432579600) );
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REQUIRE( dot( c, d) == Approx( 0.108601544706000) );
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REQUIRE( dot(0.5*c,2-d) == Approx(-0.392115772353000) );
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REQUIRE( dot(a,b) == Approx( dot(A.head_cols(1), A.tail_cols(1)) ) );
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REQUIRE( dot(c,d) == Approx( dot(A.head_rows(1), A.tail_rows(1)) ) );
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}
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TEST_CASE("fn_dot_2")
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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;\
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0.437242 0.058956 -0.149362 -0.045465 0.296153;\
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-0.492474 -0.031309 0.314156 0.419733 0.068317;\
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0.336352 0.411541 0.458476 -0.393139 -0.135040;\
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0.239585 -0.428913 -0.406953 -0.291020 -0.353768;\
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";
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cx_vec a = cx_vec(A.col(0), A.col(1));
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cx_vec b = cx_vec(A.col(2), A.col(3));
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cx_rowvec c = cx_rowvec(A.row(0), A.row(1));
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cx_rowvec d = cx_rowvec(A.row(2), A.row(3));
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REQUIRE( abs( dot(a,b) - cx_double(-0.009544718641000, -0.110209641379000)) == Approx(0.0).margin(0.001) );
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REQUIRE( abs( dot(c,d) - cx_double(-0.326993347830000, +0.061084261990000)) == Approx(0.0).margin(0.001) );
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REQUIRE( abs(cdot(a,b) - cx_double(-0.314669805873000, -0.807333974477000)) == Approx(0.0).margin(0.001) );
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REQUIRE( abs(cdot(c,d) - cx_double(-0.165527940664000, +0.586984291846000)) == Approx(0.0).margin(0.001) );
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}
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TEST_CASE("fn_dot_sp_mat_mat")
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{
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// Make matrices.
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SpMat<double> a("3.0 0.0 0.0; 1.0 2.0 2.0; 0.0 0.0 1.0");
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Mat<double> b("1.0 2.0 1.0; 1.0 2.0 2.0; 3.0 4.0 5.0");
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REQUIRE( dot(a, b) == Approx(17.0) );
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REQUIRE( dot(b, a) == Approx(17.0) );
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}
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TEST_CASE("fn_dot_sp_col_col")
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{
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SpCol<unsigned int> a("3; 4; 0; 0; 0; 2; 0; 0");
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Col<unsigned int> b("1 6 1 2 3 7 1 2");
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REQUIRE( dot(a, b) == 41 );
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REQUIRE( dot(b, a) == 41 );
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}
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TEST_CASE("fn_dot_sp_mat_sp_mat")
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{
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SpMat<double> a("3.0 0.0 0.0; 1.0 2.0 2.0; 0.0 0.0 1.0");
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SpMat<double> b("3.0 0.0 0.0; 1.0 2.0 2.0; 0.0 0.0 1.0");
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REQUIRE( dot(a, b) == Approx(19.0) );
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REQUIRE( dot(b, a) == Approx(19.0) );
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}
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TEST_CASE("fn_dot_sp_col_sp_col")
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{
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SpCol<unsigned int> a("3; 4; 0; 0; 0; 2; 0; 0");
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SpCol<unsigned int> b("0; 8; 0; 1; 1; 0; 0; 0");
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REQUIRE( dot(a, b) == 32 );
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REQUIRE( dot(b, a) == 32 );
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}
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// TODO: norm_dot
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