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Task/Vector-products/C/vector-products.c

@@ -0,0 +1,47 @@
+#include<stdio.h>
+
+typedef struct{
+	float i,j,k;
+	}Vector;
+
+Vector a = {3, 4, 5},b = {4, 3, 5},c = {-5, -12, -13};
+
+float dotProduct(Vector a, Vector b)
+{
+	return a.i*b.i+a.j*b.j+a.k*b.k;
+}
+
+Vector crossProduct(Vector a,Vector b)
+{
+	Vector c = {a.j*b.k - a.k*b.j, a.k*b.i - a.i*b.k, a.i*b.j - a.j*b.i};
+	
+	return c;
+}
+
+float scalarTripleProduct(Vector a,Vector b,Vector c)
+{
+	return dotProduct(a,crossProduct(b,c));
+}
+
+Vector vectorTripleProduct(Vector a,Vector b,Vector c)
+{
+	return crossProduct(a,crossProduct(b,c));
+}
+
+void printVector(Vector a)
+{
+	printf("( %f, %f, %f)",a.i,a.j,a.k);
+}
+
+int main()
+{
+	printf("\n a = "); printVector(a);
+	printf("\n b = "); printVector(b);
+	printf("\n c = "); printVector(c);
+	printf("\n a . b = %f",dotProduct(a,b));
+	printf("\n a x b = "); printVector(crossProduct(a,b));
+	printf("\n a . (b x c) = %f",scalarTripleProduct(a,b,c));
+	printf("\n a x (b x c) = "); printVector(vectorTripleProduct(a,b,c));
+	
+	return 0;
+}