added ConMeter logic to ConvertMode.c

src/main/c/ConvertMode.c

@@ -9,6 +9,7 @@
 
 int choice, startingUnit, endingUnit;
 double value, result;
+
 char Distance[] = { 'mm', 'cm', 'm', 'km' };
 char Weight[] = { 'mg', 'g', 'kg', 't' };
 char Fluid[] = { 'ml', 'l' };
@@ -16,6 +17,7 @@ char Data[] = { 'B', 'KB', 'MB', 'GB', 'TB', 'PT' };
 char Time[] = { 'ms', 's', 'min', 'h', 'd', 'w', 'mon', 'y' };
 char currency[] = { 'E', 'D', 'R' };
 
+
 double getValue(int choice) {
     printf("\nEnter the value to be converted: ");
     scanf("%lf", &value);
@@ -24,15 +26,15 @@ double getValue(int choice) {
         switch (choice)
         {
         case 1:
-            printf("\nEnter what the Unit is starting with: ");
+            printf("\nEnter what the Unit is starting with (0 mm, 1 cm, 2 m, 3 km): ");
             scanf("%d", &startingUnit);
-
-            printf("\nEnter what the value should it be changed to: ");
+                                                                   //1    10  1.000  1.000.000
+            printf("\nEnter what the value should it be changed to (0 mm, 1 cm, 2 m, 3 km): ");
             scanf("%d", &endingUnit);
 
             result = ConMeter(value, startingUnit,endingUnit);
 
-            printf("\nThe convertet result is %dlf %d", result, Distance[unit]);
+            printf("\nThe convertet result is %dlf %d", result, Distance[endingUnit]);
             break;
 
         }
@@ -40,7 +42,103 @@ double getValue(int choice) {
 }
 
 double ConMeter(double meter, int startingUnit, int endingUnit) {
+    switch (startingUnit)
+    {
+    case 0: //mm to x
+        switch (endingUnit)
+        {
+        case 0: //1mm
+            return meter;
+            break;
+
+        case 1: //0.1cm
+            return meter/10;
+            break;
+    
+        case 2: //0.001m
+            return meter/1000;
+            break;
+
+        case 3: //0.000001km
+            return meter/1000000;
+            break;
+
+        default:
+            break;
+        }
+
+    case 1: //cm to x
+        switch (endingUnit)
+        {
+        case 0: //10
+            return meter*10;
+            break;
+
+        case 1: //1
+            return meter;
+            break;
+
+        case 2: //0.01
+            return meter/100;
+            break;
+
+        case 3: //0.00001
+            return meter/100000;
+            break;
+
+        default:
+            break;
+        }
 
+    case 2: //m to x
+        switch (endingUnit)
+        {
+        case 0: //1000
+            return meter*1000;
+            break;
+
+        case 1: //100
+            return meter*100;
+            break;
+
+        case 2: //1
+            return meter;
+            break;
+
+        case 3: //0.001
+            return meter/1000;
+            break;
+
+        default:
+            break;
+        }
+
+    case 3:// km to x
+        switch (endingUnit)
+        {
+        case 0: // 1000000
+            return meter*1000000;
+            break;
+
+        case 1: // 100000
+            return meter*100000;
+            break;
+
+        case 2: // 1000 m
+            return meter*1000;
+            break;
+
+        case 3: //1 km
+            return meter;
+            break;
+
+        default:
+            break;
+        }
+
+    default:
+        break;
+    }
 }
 
 double ConMeterToFoot() {