/**************************************************************************
    pi.h
    programmer: Paul Wiebe

    purpose:  Various definitions of PI
**************************************************************************/

#ifndef R_PI
#define   R_PI        3.14159274101257324219
#define  R_NPI       -3.14159274101257324219
#define   R_PI_2      1.57079637050628662109
#define  R_NPI_2     -1.57079637050628662109
#define  R_3PI_2      4.71238899230957031250
#define R_N3PI_2     -4.71238899230957031250
#define   R_PI_4      0.78539818525314331055
#define  R_NPI_4     -0.78539818525314331055
#define  R_3PI_4      2.35619449615478515625
#define R_N3PI_4     -2.35619449615478515625
#define  R_2PI        6.28318548202514648438
#define R_N2PI       -6.28318548202514648438
#define RAD2DEG      57.29577636718750000000
#define DEG2RAD       0.01745329238474369049
#define RAD2ULT       3.81971859931945800781
#define ULT2RAD       0.26179939508438110352
#endif