42 lines
681 B
C
42 lines
681 B
C
|
/* DEC *ConvDegreesToRadians(rad, deg);
|
||
|
|
*
|
||
|
|
* ARGUMENT
|
||
|
|
* DEC *rad;
|
||
|
|
* DEC *deg;
|
||
|
|
*
|
||
|
|
* DESCRIPTION
|
||
|
|
* Converts an angle deg, in degrees, to radians,
|
||
|
|
* storing the result in rad.
|
||
|
|
*
|
||
|
|
* SIDE EFFECTS
|
||
|
|
* None.
|
||
|
|
*
|
||
|
|
* RETURNS
|
||
|
|
* rad if successful, otherwise GM_NULL
|
||
|
|
*
|
||
|
|
* POSSIBLE ERRORS
|
||
|
|
* GM_NULLPOINTER
|
||
|
|
* GM_INIT
|
||
|
|
* GM_UNDERFLOW
|
||
|
|
*
|
||
|
|
* AUTHOR
|
||
|
|
* Jared Levy
|
||
|
|
* Copyright (C) 1988-1990 Greenleaf Software Inc. All rights reserved.
|
||
|
|
*
|
||
|
|
* MODIFICATIONS
|
||
|
|
*
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
#include <stdio.h>
|
||
|
|
#include "gmsystem.h"
|
||
|
|
DEC *ConvDegreesToRadians(rad, deg)
|
||
|
|
DEC *rad;
|
||
|
|
DEC *deg;
|
||
|
|
{
|
||
|
|
_MacStart(GM_DRAD);
|
||
|
|
(void) _MulDec80Bit( rad, &decPiOver180, deg );
|
||
|
|
(void) _Sq5UnsTo4Uns( rad );
|
||
|
|
_MacRet( rad );
|
||
|
|
}
|
||
|
|
|