File: fn_all.cpp

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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("fn_all_1")
  {
  vec a(5, fill::zeros);
  vec b(5, fill::zeros);  b(0) = 1.0;
  vec c(5, fill::ones );
  
  REQUIRE( all(a) == false);
  REQUIRE( all(b) == false);
  REQUIRE( all(c) == true );
  
  REQUIRE( all(a(span::all)) == false);
  REQUIRE( all(b(span::all)) == false);
  REQUIRE( all(c(span::all)) == true );
  
  REQUIRE( all(  c -  c) == false);
  REQUIRE( all(2*c -2*c) == false);
  
  REQUIRE( all(c < 0.5) == false);
  REQUIRE( all(c > 0.5) == true );
  }



TEST_CASE("fn_all_2")
  {
  mat A(5, 6, fill::zeros);
  mat B(5, 6, fill::zeros);  B(0,0) = 1.0;
  mat C(5, 6, fill::ones );
  
  REQUIRE( all(vectorise(A)) == false);
  REQUIRE( all(vectorise(B)) == false);
  REQUIRE( all(vectorise(C)) == true );
  
  REQUIRE( all(vectorise(A(span::all,span::all))) == false);
  REQUIRE( all(vectorise(B(span::all,span::all))) == false);
  REQUIRE( all(vectorise(C(span::all,span::all))) == true );


  REQUIRE( all(vectorise(  C -  C)) == false);
  REQUIRE( all(vectorise(2*C -2*C)) == false);
  
  REQUIRE( all(vectorise(C) < 0.5) == false);
  REQUIRE( all(vectorise(C) > 0.5) == true );
  }



TEST_CASE("fn_all_3")
  {
  mat A(5, 6, fill::zeros);
  mat B(5, 6, fill::zeros);  B(0,0) = 1.0;
  mat C(5, 6, fill::ones );
  mat D(5, 6, fill::ones );  D(0,0) = 0.0;
  
  REQUIRE( accu( all(A)   == urowvec({0, 0, 0, 0, 0, 0}) ) == 6 );
  REQUIRE( accu( all(A,0) == urowvec({0, 0, 0, 0, 0, 0}) ) == 6 );
  REQUIRE( accu( all(A,1) == uvec   ({0, 0, 0, 0, 0}   ) ) == 5 );

  REQUIRE( accu( all(B)   == urowvec({0, 0, 0, 0, 0, 0}) ) == 6 );
  REQUIRE( accu( all(B,0) == urowvec({0, 0, 0, 0, 0, 0}) ) == 6 );
  REQUIRE( accu( all(B,1) == uvec   ({0, 0, 0, 0, 0}   ) ) == 5 );
  
  REQUIRE( accu( all(C)   == urowvec({1, 1, 1, 1, 1, 1}) ) == 6 );
  REQUIRE( accu( all(C,0) == urowvec({1, 1, 1, 1, 1, 1}) ) == 6 );
  REQUIRE( accu( all(C,1) == uvec   ({1, 1, 1, 1, 1}   ) ) == 5 );
  
  REQUIRE( accu( all(D)   == urowvec({0, 1, 1, 1, 1, 1}) ) == 6 );
  REQUIRE( accu( all(D,0) == urowvec({0, 1, 1, 1, 1, 1}) ) == 6 );
  REQUIRE( accu( all(D,1) == uvec   ({0, 1, 1, 1, 1}   ) ) == 5 );
  }