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armadillo-code/tests2/mat_neg.cpp
T
2020-10-20 18:58:25 +10:00

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// Copyright 2015 Conrad Sanderson (http://conradsanderson.id.au)
// Copyright 2015 National ICT Australia (NICTA)
//
// Licensed 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.
// ------------------------------------------------------------------------
#include <armadillo>
#include "catch.hpp"
using namespace arma;
TEST_CASE("mat_neg_1")
{
mat A =
"\
0.061198 0.201990 0.019678 -0.493936 -0.126745 0.051408;\
0.437242 0.058956 -0.149362 -0.045465 0.296153 0.035437;\
-0.492474 -0.031309 0.314156 0.419733 0.068317 -0.454499;\
0.336352 0.411541 0.458476 -0.393139 -0.135040 0.373833;\
0.239585 -0.428913 -0.406953 -0.291020 -0.353768 0.258704;\
";
mat B = -A;
REQUIRE( B(0,0) == Approx(-0.061198) );
REQUIRE( B(1,0) == Approx(-0.437242) );
REQUIRE( B(2,0) == Approx(+0.492474) );
REQUIRE( B(3,0) == Approx(-0.336352) );
REQUIRE( B(4,0) == Approx(-0.239585) );
REQUIRE( B(0,1) == Approx(-0.201990) );
REQUIRE( B(1,1) == Approx(-0.058956) );
REQUIRE( B(2,1) == Approx(+0.031309) );
REQUIRE( B(3,1) == Approx(-0.411541) );
REQUIRE( B(4,1) == Approx(+0.428913) );
REQUIRE( B(0,5) == Approx(-0.051408) );
REQUIRE( B(1,5) == Approx(-0.035437) );
REQUIRE( B(2,5) == Approx(+0.454499) );
REQUIRE( B(3,5) == Approx(-0.373833) );
REQUIRE( B(4,5) == Approx(-0.258704) );
REQUIRE( accu(B + A) == Approx(0.0) );
// REQUIRE_THROWS( );
}