ReflectPrecision

Source: tests/utility/Number.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/utility/Number.h>
#include <tests/myratest.h>

using namespace myra;

namespace {

// Little bit of template glue to check that two Number types match.
template<class N1, class N2> class Match { public: static const bool match = false; };
template<> class Match<NumberS,NumberS> { public: static const bool match = true; };
template<> class Match<NumberD,NumberD> { public: static const bool match = true; };
template<> class Match<NumberC,NumberC> { public: static const bool match = true; };
template<> class Match<NumberZ,NumberZ> { public: static const bool match = true; };

} // namespace

// Test ReflectPrecision<Number>
ADD_TEST("ReflectPrecision","[utility]")
  {
  bool s = Match<float ,ReflectPrecision<NumberS>::type>::match;
  bool d = Match<double,ReflectPrecision<NumberD>::type>::match;
  bool c = Match<float ,ReflectPrecision<NumberC>::type>::match;
  bool z = Match<double,ReflectPrecision<NumberZ>::type>::match;
  REQUIRE(s);
  REQUIRE(d);
  REQUIRE(c);
  REQUIRE(z);    
  }

// Test RaisePrecision<Number>  
ADD_TEST("RaisePrecision","[utility]")
  {
  bool s = Match<NumberD,RaisePrecision<NumberS>::type>::match;
  bool c = Match<NumberZ,RaisePrecision<NumberC>::type>::match;
  REQUIRE(s);
  REQUIRE(c);
  }

// Test LowerPrecision<Number>  
ADD_TEST("LowerPrecision","[utility]")
  {
  bool d = Match<NumberS,LowerPrecision<NumberD>::type>::match;
  bool z = Match<NumberC,LowerPrecision<NumberZ>::type>::match;
  REQUIRE(d);
  REQUIRE(z);
  }

Results: [PASS]

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