141 lines
3.4 KiB
C++
141 lines
3.4 KiB
C++
// SPDX-License-Identifier: Apache-2.0
|
|
//
|
|
// 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("gen_zeros_1")
|
|
{
|
|
mat A(5,6,fill::zeros);
|
|
|
|
REQUIRE( accu(A) == Approx(0.0).margin(0.001) );
|
|
REQUIRE( A.n_rows == 5 );
|
|
REQUIRE( A.n_cols == 6 );
|
|
|
|
mat B(5,6,fill::randu);
|
|
|
|
B.zeros();
|
|
|
|
REQUIRE( accu(B) == Approx(0.0).margin(0.001) );
|
|
REQUIRE( B.n_rows == 5 );
|
|
REQUIRE( B.n_cols == 6 );
|
|
|
|
mat C = zeros<mat>(5,6);
|
|
|
|
REQUIRE( accu(C) == Approx(0.0).margin(0.001) );
|
|
REQUIRE( C.n_rows == 5 );
|
|
REQUIRE( C.n_cols == 6 );
|
|
|
|
mat D; D = zeros<mat>(5,6);
|
|
|
|
REQUIRE( accu(D) == Approx(0.0).margin(0.001) );
|
|
REQUIRE( D.n_rows == 5 );
|
|
REQUIRE( D.n_cols == 6 );
|
|
|
|
mat E; E = 2*zeros<mat>(5,6);
|
|
|
|
REQUIRE( accu(E) == Approx(0.0).margin(0.001) );
|
|
REQUIRE( E.n_rows == 5 );
|
|
REQUIRE( E.n_cols == 6 );
|
|
}
|
|
|
|
|
|
|
|
TEST_CASE("gen_zeros_2")
|
|
{
|
|
mat A(5,6,fill::ones);
|
|
|
|
A.col(1).zeros();
|
|
|
|
REQUIRE( accu(A.col(0)) == Approx(double(A.n_rows)) );
|
|
REQUIRE( accu(A.col(1)) == Approx(0.0).margin(0.001) );
|
|
REQUIRE( accu(A.col(2)) == Approx(double(A.n_rows)) );
|
|
|
|
mat B(5,6,fill::ones);
|
|
|
|
B.row(1).zeros();
|
|
|
|
REQUIRE( accu(B.row(0)) == Approx(double(B.n_cols)) );
|
|
REQUIRE( accu(B.row(1)) == Approx(0.0).margin(0.001) );
|
|
REQUIRE( accu(B.row(2)) == Approx(double(B.n_cols)) );
|
|
|
|
mat C(5,6,fill::ones);
|
|
|
|
C(span(1,3),span(1,4)).zeros();
|
|
|
|
REQUIRE( accu(C.head_cols(1)) == Approx(double(5)) );
|
|
REQUIRE( accu(C.head_rows(1)) == Approx(double(6)) );
|
|
|
|
REQUIRE( accu(C.tail_cols(1)) == Approx(double(5)) );
|
|
REQUIRE( accu(C.tail_rows(1)) == Approx(double(6)) );
|
|
|
|
REQUIRE( accu(C(span(1,3),span(1,4))) == Approx(0.0).margin(0.001) );
|
|
|
|
mat D(5,6,fill::ones);
|
|
|
|
D.diag().zeros();
|
|
|
|
REQUIRE( accu(D.diag()) == Approx(0.0).margin(0.001) );
|
|
}
|
|
|
|
|
|
|
|
TEST_CASE("gen_zeros_3")
|
|
{
|
|
mat A(5,6,fill::ones);
|
|
|
|
uvec indices = { 2, 4, 6 };
|
|
|
|
A(indices).zeros();
|
|
|
|
REQUIRE( accu(A) == Approx(double(5*6-3)) );
|
|
|
|
REQUIRE( A(0) == Approx(1.0) );
|
|
REQUIRE( A(A.n_elem-1) == Approx(1.0) );
|
|
|
|
REQUIRE( A(indices(0)) == Approx(0.0).margin(0.001) );
|
|
REQUIRE( A(indices(1)) == Approx(0.0).margin(0.001) );
|
|
REQUIRE( A(indices(2)) == Approx(0.0).margin(0.001) );
|
|
}
|
|
|
|
|
|
|
|
TEST_CASE("gen_zeros_sp_mat")
|
|
{
|
|
SpMat<unsigned int> e(2, 2);
|
|
|
|
e(0, 0) = 3;
|
|
e(1, 1) = 2;
|
|
|
|
e *= zeros<SpMat<unsigned int> >(2, 2);
|
|
|
|
REQUIRE( e.n_nonzero == 0 );
|
|
REQUIRE( (unsigned int) e(0, 0) == 0 );
|
|
REQUIRE( (unsigned int) e(1, 0) == 0 );
|
|
REQUIRE( (unsigned int) e(0, 1) == 0 );
|
|
REQUIRE( (unsigned int) e(1, 1) == 0 );
|
|
|
|
// Just test compilation here.
|
|
e = zeros<SpMat<unsigned int> >(5, 5);
|
|
e *= zeros<SpMat<unsigned int> >(5, 5);
|
|
e %= zeros<SpMat<unsigned int> >(5, 5);
|
|
}
|