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c38a5caa2e
Previously it was limited to roughly 2 billion ULPs, rather than the roughly 2^64 possible ones.
51 lines
1.6 KiB
C++
51 lines
1.6 KiB
C++
/*
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* Created by Martin on 07/11/2017.
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*
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* Distributed under the Boost Software License, Version 1.0. (See accompanying
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* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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*/
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#ifndef TWOBLUECUBES_CATCH_MATCHERS_FLOATING_H_INCLUDED
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#define TWOBLUECUBES_CATCH_MATCHERS_FLOATING_H_INCLUDED
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#include "catch_matchers.h"
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namespace Catch {
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namespace Matchers {
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namespace Floating {
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enum class FloatingPointKind : uint8_t;
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struct WithinAbsMatcher : MatcherBase<double> {
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WithinAbsMatcher(double target, double margin);
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bool match(double const& matchee) const override;
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std::string describe() const override;
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private:
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double m_target;
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double m_margin;
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};
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struct WithinUlpsMatcher : MatcherBase<double> {
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WithinUlpsMatcher(double target, uint64_t ulps, FloatingPointKind baseType);
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bool match(double const& matchee) const override;
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std::string describe() const override;
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private:
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double m_target;
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uint64_t m_ulps;
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FloatingPointKind m_type;
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};
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} // namespace Floating
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// The following functions create the actual matcher objects.
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// This allows the types to be inferred
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Floating::WithinUlpsMatcher WithinULP(double target, uint64_t maxUlpDiff);
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Floating::WithinUlpsMatcher WithinULP(float target, uint64_t maxUlpDiff);
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Floating::WithinAbsMatcher WithinAbs(double target, double margin);
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} // namespace Matchers
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} // namespace Catch
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#endif // TWOBLUECUBES_CATCH_MATCHERS_FLOATING_H_INCLUDED
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