lines.c

来自「Computes the length of a line using two 」· C语言 代码 · 共 29 行

#include "Lines.h"
#include<math.h>
#include<stdlib.h>



double length_line(struct line *l)	//use this to measure the distance between the 2 points
{
	double line_len = 0;

	line_len = distance_between_points(&l[0].p1, &l[0].p2);		//store these points at p1 and at p2 from the array

	return line_len;

}

    
double distance_between_points(struct point *p1, struct point *p2) 	
{
	double dist = 0;	//initialize

	dist = sqrt(pow((p1[0].x - p2[0].x) , 2) + pow((p1[0].y - p2[0].y) ,  2));	//given the input vlaues, calculate the distance using pathagoryn theorm.
											//This requires use of the math library 

	return dist;
}