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armadillo-code/tests2/fn_cond.cpp
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2025-07-07 04:00:20 +00:00

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// 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("fn_cond_1", "[cond]")
{
mat A =
{
{ -0.78838, 0.69298, 0.41084, 0.90142 },
{ 0.49345, -0.12020, 0.78987, 0.53124 },
{ 0.73573, 0.52104, -0.22263, 0.40163 }
};
REQUIRE( cond(A) == Approx(1.7455) );
REQUIRE( cond(A(span::all,span::all)) == Approx(1.7455) );
}
TEST_CASE("fn_cond_2", "[cond]")
{
mat A = zeros<mat>(5,6);
REQUIRE( std::isfinite(cond(A)) == false );
}