1 files changed, 51 insertions, 0 deletions
diff --git a/graphs/piscine/handling_complex/complex.c b/graphs/piscine/handling_complex/complex.c
new file mode 100644
index 0000000..79a10be
--- /dev/null
+++ b/graphs/piscine/handling_complex/complex.c
@@ -0,0 +1,51 @@
+#include "complex.h"
+
+#include <stdio.h>
+
+void print_complex(struct complex a)
+{
+    printf("complex(%.2f ", a.real);
+
+    if (a.img < 0)
+    {
+        printf("- %.2fi", -a.img);
+    }
+    else
+    {
+        printf("+ %.2fi", a.img);
+    }
+    printf(")\n");
+}
+
+struct complex neg_complex(struct complex a)
+{
+    struct complex z = { -a.real, -a.img };
+    return z;
+}
+
+struct complex add_complex(struct complex a, struct complex b)
+{
+    struct complex z = { a.real + b.real, a.img + b.img };
+    return z;
+}
+
+struct complex sub_complex(struct complex a, struct complex b)
+{
+    return add_complex(a, neg_complex(b));
+}
+
+struct complex mul_complex(struct complex a, struct complex b)
+{
+    struct complex z = { a.real * b.real - a.img * b.img,
+                         a.real * b.img + a.img * b.real };
+    return z;
+}
+
+struct complex div_complex(struct complex a, struct complex b)
+{
+    struct complex z = {
+        (a.real * b.real + a.img * b.img) / (b.real * b.real + b.img * b.img),
+        (a.img * b.real - a.real * b.img) / (b.real * b.real + b.img * b.img)
+    };
+    return z;
+}