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dgRandom.h
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1 /* Copyright (c) <2003-2011> <Julio Jerez, Newton Game Dynamics>
2 *
3 * This software is provided 'as-is', without any express or implied
4 * warranty. In no event will the authors be held liable for any damages
5 * arising from the use of this software.
6 *
7 * Permission is granted to anyone to use this software for any purpose,
8 * including commercial applications, and to alter it and redistribute it
9 * freely, subject to the following restrictions:
10 *
11 * 1. The origin of this software must not be misrepresented; you must not
12 * claim that you wrote the original software. If you use this software
13 * in a product, an acknowledgment in the product documentation would be
14 * appreciated but is not required.
15 *
16 * 2. Altered source versions must be plainly marked as such, and must not be
17 * misrepresented as being the original software.
18 *
19 * 3. This notice may not be removed or altered from any source distribution.
20 */
21
22 #ifndef __dgRandom__
23 #define __dgRandom__
24
25 #include "dgStdafx.h"
26
27 const dgFloat64 fRandom = (dgFloat64 (1.0) / dgFloat64 ((dgUnsigned32)(0xffffffff)));
28
29 // return a random number between 0 and 0xffffffff;
30 dgUnsigned32 dgApi dgRandom();
31
32 inline dgFloat32 dgfRandom()
33 {
34 return (dgFloat32) (dgRandom() * fRandom);
35 }
36
37
38 void dgApi dgRandomize (dgUnsigned32 Seed);
39
40 #endif
41
dgApi
#define dgApi
Definition: dgTypes.h:263
dgRandom
dgUnsigned32 dgApi dgRandom()
Definition: dgRandom.cpp:33
dgFloat32
float dgFloat32
Definition: dgTypes.h:233
fRandom
const dgFloat64 fRandom
Definition: dgRandom.h:27
dgFloat64
double dgFloat64
Definition: dgTypes.h:224
dgfRandom
dgFloat32 dgfRandom()
Definition: dgRandom.h:32
dgStdafx.h
dgUnsigned32
unsigned dgUnsigned32
Definition: dgTypes.h:219
dgRandomize
void dgApi dgRandomize(dgUnsigned32 Seed)
Definition: dgRandom.cpp:28