moved files around

2006-05-25 19:18:29 +00:00
commit e061ec1ebf
1024 changed files with 349445 additions and 0 deletions
--- a/Extras/FCollada/FMath/FMath.h
+++ b/Extras/FCollada/FMath/FMath.h
@@ -0,0 +1,128 @@
+/*
+	Copyright (C) 2005-2006 Feeling Software Inc.
+	MIT License: http://www.opensource.org/licenses/mit-license.php
+*/
+
+/**
+	@file FMath.h
+	The file containing functions and constants for math.
+
+	@defgroup FMath Mathematics Classes.
+*/
+
+#ifndef _F_MATH_H_
+#define _F_MATH_H_
+
+#include <math.h>
+#include <algorithm>
+
+// Includes the improved vector class.
+#include "FMath/FMArray.h"
+
+// Includes the common integer and floating-point definitions and functions.
+#include "FMath/FMFloat.h"
+#include "FMath/FMInteger.h"
+
+/**
+	A namespace for common math functions.
+
+	@ingroup FMath
+*/
+namespace FMath
+{
+	const double Pi = 3.14159;	/**< Mathematical value of pi to 5 decimals. */
+
+	/**
+	 * Convert radians to degrees.
+	 * 
+	 * @param val The value in radians.
+	 * @return The value in degrees.
+	 */
+	inline double RadToDeg(double val) { return (val * 180.0/Pi); }
+
+	/**
+	 * Convert radians to degrees.
+	 * 
+	 * @param val The value in radians.
+	 * @return The value in degrees.
+	 */
+	inline float RadToDeg(float val) { return (val * 180.0f/(float)Pi); }
+
+	/**
+	 * Convert degrees to radians.
+	 * 
+	 * @param val The value in degrees.
+	 * @return The value in radians.
+	 */
+	inline double DegToRad(double val) { return (val * Pi/180.0); }
+
+	/**
+	 * Convert degrees to radians.
+	 * 
+	 * @param val The value in degrees.
+	 * @return The value in radians.
+	 */
+	inline float DegToRad(float val) { return (val * (float)Pi/180.0f); }
+
+/** 
+ * Determines if given float is encoding for not a number (NAN).
+ * 
+ * @param f The float to check.
+ * @return 0 if it is a number, something else if is NAN.
+ */
+#ifdef WIN32
+	inline int IsNotANumber(float f) { return _isnan(f); }
+#else // Linux and Mac
+	inline int IsNotANumber(float f) { return !finite(f); }
+#endif
+
+	/**
+	 * Determine the sign of a number.
+	 * 
+	 * @param val The number to check.
+	 * @return 1.0 if positive, -1.0 if negative.
+	 */
+	inline double Sign(double val) { return (val >= 0.0) ? 1.0 : -1.0; }
+
+	/**
+	 * Determine the sign of a number.
+	 * 
+	 * @param val The number to check.
+	 * @return 1.0f if positive, -1.0f if negative.
+	 */
+	inline float Sign(float val) { return (val >= 0.0f) ? 1.0f : -1.0f; }
+
+	/**
+	 * Determine the sign of a number.
+	 * 
+	 * @param val The number to check.
+	 * @return 1 if positive, -1 if negative.
+	 */
+	inline int32 Sign(int32 val) { return (val >= 0) ? 1 : -1; }
+
+	/**
+	 * Clamp the specified object within a range specified by two other objects
+	 * of the same class.
+	 *
+	 * Clamp refers to setting a value within a given range. If the value is
+	 * lower than the minimum of the range, it is set to the minimum; same for
+	 * the maximum.
+	 *
+	 * @param val The object to clamp.
+	 * @param mx The highest object of the range.
+	 * @param mn The lowest object of the range.
+	 * @return The clamped value.
+	 */
+	template <class T>
+	inline T Clamp(T val, T mn, T mx) { return std::max(std::min(val, mx), mn); }
+};
+
+// Include commonly used mathematical classes
+#include "FMath/FMVector2.h"
+#include "FMath/FMVector3.h"
+#include "FMath/FMVector4.h"
+#include "FMath/FMColor.h"
+#include "FMath/FMMatrix33.h"
+#include "FMath/FMMatrix44.h"
+
+#endif // _F_MATH_H_