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#include "utility.h"

double vec_dotprod(vector1,vector2)
/*============================================================================*/
/* PURPOSE: CALCULATE THE DOT PRODUCT OF TWO VECTORS.
/* INPUTS:
/*	VECTOR1		(X,Y,Z) TRIPLET.
/*	VECTOR2		(X,Y,Z) TRIPLET.
/* OUTPUTS:
/*	FUNCTION VALUE	DOT PRODUCT OF VECTOR1 AND VECTOR2.
/* WRITTEN: M.V.GRIESHABER
/* LAST MODIFICATION: 11 JUNE 1991 MVG
*/
   double vector1[3];
   double vector2[3];
   {
   /* DETERMINE THE DOT PRODUCT OF THE VECTORS. */
   return(vector1[0]*vector2[0] + vector1[1]*vector2[1] + vector1[2]*vector2[2]);
   }
Modified: Fri Feb 11 17:00:00 1994 GMT
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