Make non-gcc compilers happy...

This commit is contained in:
vrld
2013-03-13 23:09:25 +01:00
parent ece4ff6472
commit 1a407a6af3
4 changed files with 12 additions and 11 deletions
+119
View File
@@ -0,0 +1,119 @@
/**
* Copyright (c) 2006-2013 LOVE Development Team
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
**/
#ifndef LOVE_MATH_MODMATH_H
#define LOVE_MATH_MODMATH_H
// LOVE
#include "common/Module.h"
#include "common/math.h"
#include "common/int.h"
// STL
#include <limits>
#include <stdint.h>
#include <vector>
namespace love
{
namespace math
{
class Math : public Module
{
public:
virtual ~Math()
{}
/** Set pseudo random seed.
*
* It's up to the implementation how to use this.
*
* @param seed The random seed.
*/
inline void randomseed(uint64_t seed)
{
rng_state = seed;
}
/** Return uniformly distributed pseudo random integer.
*
* @returns Pseudo random integer in [0,2^64).
*/
uint64 rand();
/** Get uniformly distributed pseudo random number in [0,1).
*
* @returns Pseudo random number in [0,1).
*/
inline double random()
{
return double(rand()) / (double(std::numeric_limits<uint64>::max()) + 1.0);
}
/** Get uniformly distributed pseudo random number in [0,max).
*
* @returns Pseudo random number in [0,max).
*/
inline double random(double max)
{
return random() * max;
}
/** Get uniformly distributed pseudo random number in [min, max).
*
* @returns Pseudo random number in [min, max).
*/
inline double random(double min, double max)
{
return random() * (max - min) + min;
}
/** Get normally distributed pseudo random number.
*
* @param stddev Standard deviation of the distribution.
* @returns Normally distributed random number with mean 0 and variance (stddev)².
*/
double randnormal(double stddev);
virtual const char *getName() const
{
return "love.math";
}
/** Triangulate a simple polygon.
* @param polygon Polygon to triangulate. Must not intersect itself.
* @returns List of triangles the polygon is composed of.
*/
std::vector<Triangle> triangulate(const std::vector<vertex> &polygon);
static Math instance;
private:
Math();
uint64 rng_state;
double last_randnormal;
};
} // math
} // love
#endif