From ff4066a083a196cae3f9b78e58585add14889566 Mon Sep 17 00:00:00 2001
From: fdai6887 <nurahmad.almadatov@informatik.hs-fulda.de>
Date: Tue, 7 Feb 2023 01:10:38 +0100
Subject: [PATCH] add Vangle

---
 src/funktion.c |  9 +++++++++
 src/funktion.h |  1 +
 src/main.c     | 18 ++++++++++++++++++
 3 files changed, 28 insertions(+)

diff --git a/src/funktion.c b/src/funktion.c
index 7b84e5a..f7b25cc 100644
--- a/src/funktion.c
+++ b/src/funktion.c
@@ -227,3 +227,12 @@ float Vskalort(float x1, float x2, float x3, float z1, float z2, float z3) {
     }
     return result;
 }
+double Vangle(float x1, float x2, float x3, float z1, float z2, float z3) {
+    double i = x1 * z1 + x2 * z2 + x3 * z3;
+    double p = sqrt(x1 * x1 + x2 * x2 + x3 * x3);
+    double q = sqrt(z1 * z1 + z2 * z2 + z3 * z3);
+    double s = i / (p * q);
+    double t = acos(s) * 180 / M_PI;
+    printf("Der Winkel betraegt: %f\n\n", t);
+    return 11;
+}
diff --git a/src/funktion.h b/src/funktion.h
index 9032e72..e579e16 100644
--- a/src/funktion.h
+++ b/src/funktion.h
@@ -39,5 +39,6 @@ float Vmiddle(float x1, float z1);
 float Vmiddle2(float x2, float z2);
 float Vmiddle3(float x3, float z3);
 float Vskalort(float x1, float x2, float x3, float z1, float z2, float z3);
+double Vangle(float x1, float x2, float x3, float z1, float z2, float z3);
 
 #endif
diff --git a/src/main.c b/src/main.c
index b809317..e90e88d 100644
--- a/src/main.c
+++ b/src/main.c
@@ -173,4 +173,22 @@ int main()
     z2 = getValue('Z');
     z3 = getValue('Z');
     Vskalort(x1, x2, x3, z1, z2, z3);
+
+    printf("1. Vektor\n");
+    printf("1. Vektor\n");
+    printf("x eingeben");
+    x1 = getValue('X');
+    printf("y eingeben ");
+    x2 = getValue('X');
+    printf("z eingeben");
+    x3 = getValue('X');
+
+    printf("2. Vektor\n");
+    printf("a eingeben");
+    z1 = getValue('Z');
+    printf("b eingeben ");
+    z2 = getValue('Z');
+    printf("c eingeben");
+    z3 = getValue('Z');
+    Vangle(x1,x2,x3,z1,z2,z3);
 }