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blacklib/include/blackcore/math.h

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+//! Copyright (C) 2013 Roland Winklmeier
+//! This Source Code Form is subject to the terms of the Mozilla Public
+//! License, v. 2.0. If a copy of the MPL was not distributed with this
+//! file, You can obtain one at http://mozilla.org/MPL/2.0/
+
+#ifndef MATH_H
+#define MATH_H
+
+namespace BlackCore
+{
+
+class CMath
+{
+public:
+    //! Calculates the hypotenuse of x and y without overflow
+    /*!
+      \param x
+      \param y
+    */
+	static double hypot(double x, double y);
+	
+	//! Calculates the square of x
+    /*!
+      \param x
+	  \return x^2
+    */
+	static inline double square(const double x)
+	{
+		return x*x;
+	}
+	
+	//! Calculates x to the power of three
+    /*!
+      \param x
+	  \return x^3
+    */
+	static inline double cubic(const double x)
+	{
+		return x*x*x;
+	}
+	
+	//! Calculates the real cubic root
+    /*!
+      \param x
+      \param y
+	  \return Returns the real part of the solution
+    */
+	static double cubicRootReal(const double x);
+
+private:
+    CMath() {}
+};
+
+} // namespace BlackCore
+
+#endif // MATH_H