PS_Method_CCS_test/Armadillo_example/attributes.cpp

// 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("attributes_1")
  {
  mat A(5,6);
  REQUIRE(A.n_rows == 5);
  REQUIRE(A.n_cols == 6);
  REQUIRE(A.n_elem == 30);
  
  vec B(5);
  REQUIRE(B.n_rows == 5);
  REQUIRE(B.n_cols == 1);
  REQUIRE(B.n_elem == 5);
  
  rowvec C(6);
  REQUIRE(C.n_rows == 1);
  REQUIRE(C.n_cols == 6);
  REQUIRE(C.n_elem == 6);
  
  cube D(5,6,2);
  REQUIRE(D.n_rows   == 5);
  REQUIRE(D.n_cols   == 6);
  REQUIRE(D.n_slices == 2);
  REQUIRE(D.n_elem   == 60);
  
  sp_mat E(50,60);
  E(0,0) = 1.0;
  E(E.n_rows-1,E.n_cols-1) = 1.0;
  
  REQUIRE(E.n_rows    == 50);
  REQUIRE(E.n_cols    == 60);
  REQUIRE(E.n_elem    == 3000);
  REQUIRE(E.n_nonzero == 2);
  
  field<mat> G(5,6,2);
  REQUIRE(G.n_rows   == 5);
  REQUIRE(G.n_cols   == 6);
  REQUIRE(G.n_slices == 2);
  REQUIRE(G.n_elem   == 60);
  }