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armadillo-code/tests/sprow.cpp
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2020-10-20 18:40:30 +10:00

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// Copyright 2011-2017 Ryan Curtin (http://www.ratml.org/)
// Copyright 2017 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("sprow_shed_col_test")
{
SpRow<int> d(10);
d[3] = 2;
d[4] = 6;
d[6] = 2;
d[7] = 9;
d[8] = 1;
d[9] = -2;
d.shed_cols(4, 7);
REQUIRE( d.n_cols == 6 );
REQUIRE( d.n_rows == 1 );
REQUIRE( d.n_elem == 6 );
REQUIRE( d.n_nonzero == 3 );
REQUIRE( d[0] == 0 );
REQUIRE( d[1] == 0 );
REQUIRE( d[2] == 0 );
REQUIRE( d[3] == 2 );
REQUIRE( d[4] == 1 );
REQUIRE( d[5] == -2 );
}
TEST_CASE("sprow_row_constructor_test")
{
SpMat<double> m(100, 100);
m.sprandu(100, 100, 0.3);
SpRow<double> r = m.row(0);
rowvec v(r);
for (uword i = 0; i < 100; ++i)
{
REQUIRE( v(i) == (double) r(i) );
}
}