expr_reshape

Source: tests/expression/reshape.cpp

// ========================================================================= //
// This file is part of MyraMath, copyright (c) 2014-2019 by Ryan A Chilton  //
// and distributed by MyraCore, LLC. See LICENSE.txt for license terms.      //
// ========================================================================= //

#include <myramath/expression/Expression.h>
#include <myramath/expression/expr.h>
#include <myramath/expression/reshape.h>

// Reporting.
#include <tests/myratest.h>

using namespace myra;

#ifdef MYRAMATH_ENABLE_CPP11

ADD_TEST("expr_reshape","[expression]")
  {
  auto E1 = expr({1.0,2.0,3.0,4.0,5.0,6.0,7.0,8.0,9.0});
  auto E2 = reshape(E1,3,3);
  REQUIRE( E2.evaluate({0,0}) == 1.0 );
  REQUIRE( E2.evaluate({1,0}) == 2.0 );
  REQUIRE( E2.evaluate({2,0}) == 3.0 );
  REQUIRE( E2.evaluate({0,1}) == 4.0 );
  REQUIRE( E2.evaluate({1,1}) == 5.0 );
  REQUIRE( E2.evaluate({2,1}) == 6.0 );
  REQUIRE( E2.evaluate({0,2}) == 7.0 );
  REQUIRE( E2.evaluate({1,2}) == 8.0 );
  REQUIRE( E2.evaluate({2,2}) == 9.0 );
  }

#endif

Results: [PASS]

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