Bullet Collision Detection & Physics Library: btMinMax.h Source File

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btMinMax.h
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1 /*
2 Copyright (c) 2003-2006 Gino van den Bergen / Erwin Coumans http://continuousphysics.com/Bullet/
3
4 This software is provided 'as-is', without any express or implied warranty.
5 In no event will the authors be held liable for any damages arising from the use of this software.
6 Permission is granted to anyone to use this software for any purpose,
7 including commercial applications, and to alter it and redistribute it freely,
8 subject to the following restrictions:
9
10 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.
11 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
12 3. This notice may not be removed or altered from any source distribution.
13 */
14
15
16
17 #ifndef BT_GEN_MINMAX_H
18 #define BT_GEN_MINMAX_H
19
20 #include "btScalar.h"
21
22 template <class T>
23 SIMD_FORCE_INLINE const T& btMin(const T& a, const T& b)
24 {
25 return a < b ? a : b ;
26 }
27
28 template <class T>
29 SIMD_FORCE_INLINE const T& btMax(const T& a, const T& b)
30 {
31 return a > b ? a : b;
32 }
33
34 template <class T>
35 SIMD_FORCE_INLINE const T& btClamped(const T& a, const T& lb, const T& ub)
36 {
37 return a < lb ? lb : (ub < a ? ub : a);
38 }
39
40 template <class T>
41 SIMD_FORCE_INLINE void btSetMin(T& a, const T& b)
42 {
43 if (b < a)
44 {
45 a = b;
46 }
47 }
48
49 template <class T>
50 SIMD_FORCE_INLINE void btSetMax(T& a, const T& b)
51 {
52 if (a < b)
53 {
54 a = b;
55 }
56 }
57
58 template <class T>
59 SIMD_FORCE_INLINE void btClamp(T& a, const T& lb, const T& ub)
60 {
61 if (a < lb)
62 {
63 a = lb;
64 }
65 else if (ub < a)
66 {
67 a = ub;
68 }
69 }
70
71 #endif //BT_GEN_MINMAX_H
SIMD_FORCE_INLINE
#define SIMD_FORCE_INLINE
Definition: btScalar.h:63
btClamp
void btClamp(T &a, const T &lb, const T &ub)
Definition: btMinMax.h:59
btSetMin
void btSetMin(T &a, const T &b)
Definition: btMinMax.h:41
btSetMax
void btSetMax(T &a, const T &b)
Definition: btMinMax.h:50
btMax
const T & btMax(const T &a, const T &b)
Definition: btMinMax.h:29
btMin
const T & btMin(const T &a, const T &b)
Definition: btMinMax.h:23
btClamped
const T & btClamped(const T &a, const T &lb, const T &ub)
Definition: btMinMax.h:35
btScalar.h