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