random_pcg.h | Explore in Territory

/**************************************************************************/
/*  random_pcg.h                                                          */
/**************************************************************************/
/*                         This file is part of:                          */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
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#ifndef RANDOM_PCG_H
#define RANDOM_PCG_H

#include "core/math/math_defs.h"

#include "thirdparty/misc/pcg.h"

#include <math.h>

#if defined(__GNUC__)
#define CLZ32(x) …
#elif defined(_MSC_VER)
#include <intrin.h>
static int __bsr_clz32(uint32_t x) {
	unsigned long index;
	_BitScanReverse(&index, x);
	return 31 - index;
}
#define CLZ32 …
#else
#endif

#if defined(__GNUC__)
#define LDEXP(s, e) …
#define LDEXPF(s, e) …
#else
#include <math.h>
#define LDEXP …
#define LDEXPF …
#endif

template <typename T>
class Vector;

class RandomPCG { … };

#endif // RANDOM_PCG_H
godot/core/math/random_pcg.h
