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/*
* Created by Martin on 07/11/2017.
*
* Distributed under the Boost Software License, Version 1.0. (See accompanying
* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
*/
#ifndef TWOBLUECUBES_CATCH_MATCHERS_FLOATING_H_INCLUDED
#define TWOBLUECUBES_CATCH_MATCHERS_FLOATING_H_INCLUDED
#include "catch_matchers.h"
#include <type_traits>
#include <cmath>
namespace Catch {
namespace Matchers {
namespace Floating {
enum class FloatingPointKind : uint8_t;
struct WithinAbsMatcher : MatcherBase<double> {
WithinAbsMatcher(double target, double margin);
bool match(double const& matchee) const override;
std::string describe() const override;
private:
double m_target;
double m_margin;
};
struct WithinUlpsMatcher : MatcherBase<double> {
WithinUlpsMatcher(double target, int ulps, FloatingPointKind baseType);
bool match(double const& matchee) const override;
std::string describe() const override;
private:
double m_target;
int m_ulps;
FloatingPointKind m_type;
};
} // namespace Floating
// The following functions create the actual matcher objects.
// This allows the types to be inferred
Floating::WithinUlpsMatcher WithinULP(double target, int maxUlpDiff);
Floating::WithinUlpsMatcher WithinULP(float target, int maxUlpDiff);
Floating::WithinAbsMatcher WithinAbs(double target, double margin);
} // namespace Matchers
} // namespace Catch
#endif // TWOBLUECUBES_CATCH_MATCHERS_FLOATING_H_INCLUDED
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