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math.h
1 // Copyright (c) 2018, Smart Projects Holdings Ltd
2 // All rights reserved.
3 // See LICENSE file for license details.
4 
5 #ifndef _UGCS_VSM_MATH_H_
6 #define _UGCS_VSM_MATH_H_
7 
8 // non-standard math constants which are not defined in some setups.
9 #ifndef M_PI
10 #define M_PI 3.14159265358979323846 /* pi */
11 #endif
12 
13 #ifndef M_PI_2
14 #define M_PI_2 1.57079632679489661923 /* pi/2 */
15 #endif
16 
17 #endif /* _UGCS_VSM_MATH_H_ */