| Geant4 Cross Reference |
1 // Copyright (C) 2010, Guy Barrand. All rights
2 // See the file tools.license for terms.
3
4 #ifndef tools_mathf
5 #define tools_mathf
6
7 namespace tools {
8
9 //have : static const fpi = (float)3.141592653
10
11 inline float fpi() {return (float)3.14159
12 inline float ftwo_pi() {return (float)6.28318
13 inline float fhalf_pi() {return (float)1.57079
14
15 //inline float fdeg2rad() {return fpi()/180.0f
16 //inline float frad2deg() {return 180.0f/fpi()
17
18 inline float fdeg2rad() {
19 static const float s_v = fpi()/180.0f; //0.0
20 return s_v;
21 }
22 inline float frad2deg() {
23 static const float s_v = 180.0f/fpi();
24 return s_v;
25 }
26
27 inline int fround(const float& a_x) {
28 // From CoinGL/src/base/SbViewportRegion.cpp
29 if (a_x == (float) (int(a_x))) return int(a_
30 else return (a_x>0.0f) ? int(a_x+0.5f) : -in
31 }
32
33 inline float fstep(const float& a_x) {return a
34
35 }
36
37
38 #include <cmath>
39
40 namespace tools {
41
42 inline float fcos(const float& x) {return (flo
43 inline float fsin(const float& x) {return (flo
44 inline float facos(const float& x) {return (fl
45 inline float fasin(const float& x) {return (fl
46 inline float ftan(const float& x) {return (flo
47 inline float fatan(const float& x) {return (fl
48 inline float fatan2(const float& x,const float
49 inline float fsqrt(const float& x) {return (fl
50 inline float fpow(const float& x,const float&
51 inline float fexp(const float& x) {return (flo
52 inline float flog(const float& x) {return (flo
53 inline float flog10(const float& x) {return (f
54 inline float ffloor(const float& x) {return (f
55 inline float fceil(const float& x) {return (fl
56 inline float fcosh(const float& x) {return (fl
57 inline float fsinh(const float& x) {return (fl
58 inline float ffabs(const float& x) {return (fl
59
60 }
61
62 #endif