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54 lines
3.0 KiB
C
54 lines
3.0 KiB
C
/*******************************************************************************
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* *
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* Trick Simulation Environment Software *
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* *
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* Copyright (c) 1996,1997 LinCom Corporation, Houston, TX *
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* All rights reserved. *
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* *
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* Copyrighted by LinCom Corporation and proprietary to it. Any unauthorized *
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* use of Trick Software including source code, object code or executables is *
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* strictly prohibited and LinCom assumes no liability for such actions or *
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* results thereof. *
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* *
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* Trick Software has been developed under NASA Government Contracts and *
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* access to it may be granted for Government work by the following contact: *
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* *
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* Contact: Charles Gott, Branch Chief *
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* Simulation and Graphics Branch *
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* Automation, Robotics, & Simulation Division *
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* NASA, Johnson Space Center, Houston, TX *
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* *
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*******************************************************************************/
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/*
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PURPOSE:
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(Conversion constants for source and input files.)
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PROGRAMMERS:
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(((Robert W. Bailey) (LinCom Corp) (September 1990) (Initial Release.)))
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*/
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/*
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* $Id: constant.h 401 2009-11-13 20:21:13Z wwoodard $
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*/
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#ifndef _CONSTANT_H
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#define _CONSTANT_H
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#define DTR (0.0174532925199433) /* degrees to radians */
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#define RTD (57.29577951308231) /* radians to degrees */
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#define INTOM (0.0254) /* inches to meters */
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#define MTOIN (39.370079) /* meters to inches */
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#define FTOM (0.3048) /* feet to meters */
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#define NMTOM (1852.0) /* nautical miles to meters */
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#define MTF (3.28083989501312336) /* meters to feet */
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#define LBFTON (4.4482216152605) /* pound-force to newtons */
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#define LBTOKG (0.4535923697760192) /* pound-mass to kilograms */
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#define SLFTOKGM (1.355817947661907) /* slug-ft**2 to kilogram-m**2 */
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#define KGTOLB (2.204622622937404) /* kilograms to pound-mass */
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#define NMTOFP (0.7375621492772654) /* newton-meters to foot-pounds */
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#define SLTOLB (32.17404855643046) /* slugs to pounds */
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#define SLTOKG (14.5939029372064) /* slugs to kilograms */
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#endif
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