vaja 3 predvecer

vaja3/cplxlib.c

@@ -0,0 +1,36 @@
+#include <stdio.h>
+
+typedef struct {double re, im;} cplx;
+
+cplx csum (cplx a, cplx b) // Complex sum
+{
+    cplx sum;
+    sum.re = a.re + b.re;
+    sum.im = a.im + b.im;
+    return sum;
+}
+
+cplx cdif (cplx a, cplx b) // Complex difference
+{
+    cplx difference;
+    difference.re = a.re - b.re;
+    difference.im = a.im - b.im;
+    return difference;
+}
+
+cplx cprod (cplx a, cplx b) // Complex product
+{
+    cplx product;
+    product.re = (a.re * b.re) - (a.im * b.im);
+    product.im = (a.im * b.re) + (a.re * b.im);
+    return product;
+}
+
+cplx cquo (cplx a, cplx b) // Complex quotient
+{
+    cplx quotient;
+    quotient.re = ((a.re * b.re)+(a.im * b.im)) / ((b.re*b.re)+(b.im*b.im));
+    quotient.im = ((a.im * b.re)-(a.re * b.im)) / ((b.re*b.re)+(b.im*b.im));
+    return quotient;
+}
+