Newton Dynamics  4.00
cuIntrinsics.h
1 /* Copyright (c) <2003-2021> <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 __ND_INTRINSICS_H__
23 #define __ND_INTRINSICS_H__
24 
25 #include <cuda.h>
26 #include <cuda_runtime.h>
27 
28 #define D_GRANULARITY (1024 * 256)
29 
30 template <class T>
31 inline T __device__ __host__ cuAbs(T A)
32 {
33  return fabsf(A);
34 }
35 
36 template <class T>
37 inline T __device__ __host__ cuFloor(T A)
38 {
39  return floorf(A);
40 }
41 
42 template <class T>
43 inline T __device__ __host__ cuMax(T A, T B)
44 {
45  return fmaxf(A, B);
46 }
47 
48 template <class T>
49 inline T __device__ __host__ cuMin(T A, T B)
50 {
51  return fminf(A, B);
52 }
53 
54 template <class T>
55 inline T __device__ __host__ cuSelect(bool test, T A, T B)
56 {
57  return test ? A : B;
58 }
59 
60 template <class T>
61 inline void __device__ __host__ cuSwap(T& A, T& B)
62 {
63  T tmp(A);
64  A = B;
65  B = tmp;
66 }
67 
68 #endif