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/*
common/functions.h
This file is part of the Osirion project and is distributed under
the terms of the GNU General Public License version 2
*/
#ifndef __INCLUDED_FUNCTIONS_H__
#define __INCLUDED_FUNCTIONS_H__
// C++ headers
#include <cstdlib>
#include <cmath>
/// Support functions for the game engine
namespace common {
/// return the smallest of two float values
float min(float a, float b);
/// return the smallest of two integers
int min(int a, int b);
/// return the largest of two float values
float max(float a, float b);
/// return the largest of two integers
int max(int a, int b);
/// returns a random float
/*! The value returned will be in the interval [0-max]
* @param max the maximum value returned
**/
float randomf(const float max = 1);
/// returns a random integer
/*! The value returned will be in the interval [0-(max-1)]
* @param max the maximum value returned
**/
unsigned int randomi(const unsigned int max);
/// return the sign of a float value
float sgnf(float value);
/// return an angle in the ]-180,180] range
float degreesf(float angle);
} // namespace common
#endif // __INCLUDED_FUNCTIONS_H__
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