Initial data commit

Task/Vector/C/vector.c

@@ -0,0 +1,83 @@
+#include<stdio.h>
+#include<math.h>
+
+#define pi M_PI
+
+typedef struct{
+	double x,y;
+}vector;
+
+vector initVector(double r,double theta){
+	vector c;
+	
+	c.x = r*cos(theta);
+	c.y = r*sin(theta);
+	
+	return c;
+}
+
+vector addVector(vector a,vector b){
+	vector c;
+	
+	c.x = a.x + b.x;
+	c.y = a.y + b.y;
+	
+	return c;
+}
+
+vector subtractVector(vector a,vector b){
+	vector c;
+	
+	c.x = a.x - b.x;
+	c.y = a.y - b.y;
+	
+	return c;
+}
+
+vector multiplyVector(vector a,double b){
+	vector c;
+	
+	c.x = b*a.x;
+	c.y = b*a.y;
+	
+	return c;
+}
+
+vector divideVector(vector a,double b){
+	vector c;
+	
+	c.x = a.x/b;
+	c.y = a.y/b;
+	
+	return c;
+}
+
+void printVector(vector a){
+	printf("%lf %c %c %lf %c",a.x,140,(a.y>=0)?'+':'-',(a.y>=0)?a.y:fabs(a.y),150);
+}
+
+int main()
+{
+	vector a = initVector(3,pi/6);
+	vector b = initVector(5,2*pi/3);
+	
+	printf("\nVector a : ");
+	printVector(a);
+	
+	printf("\n\nVector b : ");
+	printVector(b);
+	
+	printf("\n\nSum of vectors a and b : ");
+	printVector(addVector(a,b));
+	
+	printf("\n\nDifference of vectors a and b : ");
+	printVector(subtractVector(a,b));
+	
+	printf("\n\nMultiplying vector a by 3 : ");
+	printVector(multiplyVector(a,3));
+	
+	printf("\n\nDividing vector b by 2.5 : ");
+	printVector(divideVector(b,2.5));
+	
+	return 0;
+}