trick/include/trick/constant.h
Alex Lin 27d18f07f3 Some of Trick's unit conversions have too many significant digits #557
Our constants.h file has the same problem, some units have too many
significant digits.  Truncated some of the values.
2018-02-02 15:10:56 -06:00

29 lines
1.2 KiB
C

/*
PURPOSE:
(Conversion constants for source and input files.)
PROGRAMMERS:
(((Robert W. Bailey) (LinCom Corp) (September 1990) (Initial Release.)))
*/
#ifndef CONSTANT_H
#define CONSTANT_H
#define DTR (0.0174532925199433) /* degrees to radians */
#define RTD (57.29577951308231) /* radians to degrees */
#define INTOM (0.0254) /* inches to meters */
#define MTOIN (39.370079) /* meters to inches */
#define FTOM (0.3048) /* feet to meters */
#define NMTOM (1852.0) /* nautical miles to meters */
#define MTF (3.28084) /* meters to feet */
#define LBFTON (4.4482216152605) /* pound-force to newtons */
#define LBTOKG (0.45359237) /* pound-mass to kilograms */
#define SLFTOKGM (1.355817947661907) /* slug-ft**2 to kilogram-m**2 */
#define KGTOLB (2.20462262185) /* kilograms to pound-mass */
#define NMTOFP (0.7375621492772654) /* newton-meters to foot-pounds */
#define SLTOLB (32.174049) /* slugs to pounds */
#define SLTOKG (14.59390) /* slugs to kilograms */
#endif