46 lines
1.6 KiB
Plaintext
46 lines
1.6 KiB
Plaintext
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//
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// Copyright (c) 2010-2011 Matthew Jack and Doug Binks
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would be
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// appreciated but is not required.
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// 2. Altered source versions must be plainly marked as such, and must not be
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// misrepresented as being the original software.
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// 3. This notice may not be removed or altered from any source distribution.
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#pragma once
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#ifndef AUMATH_DEFINED
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#define AUMATH_DEFINED
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#define _USE_MATH_DEFINES
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#include <math.h>
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/* Adds some helpful macros and exposes the non-standard constants available in math.h (may not be portable):
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* M_E - e
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* M_LOG2E - log2(e)
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* M_LOG10E - log10(e)
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* M_LN2 - ln(2)
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* M_LN10 - ln(10)
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* M_PI - pi
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* M_PI_2 - pi/2
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* M_PI_4 - pi/4
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* M_1_PI - 1/pi
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* M_2_PI - 2/pi
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* M_2_SQRTPI - 2/sqrt(pi)
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* M_SQRT2 - sqrt(2)
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* M_SQRT1_2 - 1/sqrt(2)
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*/
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#define DEG2RAD(deg) ((deg)*((PI)/(180.0)))
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#define RAD2DEG(rad) ((rad)*((180.0)/(PI)))
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#define LERP(a, b, t) ((a) + (t) * ((b) - (a)))
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#endif // AUMATH_DEFINED
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