55 lines
1.6 KiB
C++
55 lines
1.6 KiB
C++
/*
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Copyright 2006 Nicolas Brodu
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2012 Mark Vejvoda
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You can redistribute this code and/or modify it under
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the terms of the GNU General Public License as published
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by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version
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*/
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// Includes Math.h in turn
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#include "streflop.h"
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namespace streflop {
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// Constants
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const Simple SimpleZero(0.0f);
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const Simple SimplePositiveInfinity = Simple(1.0f) / SimpleZero;
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const Simple SimpleNegativeInfinity = Simple(-1.0f) / SimpleZero;
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// non-signaling version
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const Simple SimpleNaN = SimplePositiveInfinity + SimpleNegativeInfinity;
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const Double DoubleZero(0.0f);
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const Double DoublePositiveInfinity = Double(1.0f) / DoubleZero;
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const Double DoubleNegativeInfinity = Double(-1.0f) / DoubleZero;
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// non-signaling version
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const Double DoubleNaN = DoublePositiveInfinity + DoubleNegativeInfinity;
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// Extended are not always available
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#ifdef Extended
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const Extended ExtendedZero(0.0f);
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const Extended ExtendedPositiveInfinity = Extended(1.0f) / ExtendedZero;
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const Extended ExtendedNegativeInfinity = Extended(-1.0f) / ExtendedZero;
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// non-signaling version
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const Extended ExtendedNaN = ExtendedPositiveInfinity + ExtendedNegativeInfinity;
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#endif
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// Default environment. Initalized to 0, and really set on first access
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#if defined(STREFLOP_X87)
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fenv_t FE_DFL_ENV = 0;
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#elif defined(STREFLOP_SSE)
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fenv_t FE_DFL_ENV = {0,0};
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#elif defined(STREFLOP_SOFT)
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fenv_t FE_DFL_ENV = {42,0,0};
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#else
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#error STREFLOP: Invalid combination or unknown FPU type.
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#endif
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}
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