Determine the distance between these points.
This function returns the distance between two points: firstpt represents the coordinates of the first point, and secondpt is the second point. The distance function handles 2-D or 3-D.
This function returns the distance, in current drawing units, between the two points, as a real number.
Example
sds_real returnr;
sds_point firstpt,secondpt;
sds_getpoint(NULL,"\nFirst point for distance: ",firstpt);
sds_getpoint(firstpt,"\nSecond point: ",secondpt);
returnr=sds_distance(firstpt,secondpt);
sds_printf("\nThe distance is %f",returnr);
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Programming Overview of SDS™ (Solutions Development System™)