Merge pull request #20 from dimebot/updatedlength

Updated length

Author: MarufHasan24

conversions.cpp

@@ -0,0 +1,41 @@
+#include <bits/stdc++.h>
+
+namespace mlb {
+    double inch2cm(double inches) {
+        if (inches < 0) {
+            throw std::invalid_argument("Input value must be non-negative");
+        }
+        return inches * 2.54; 
+    }
+    double cm2inch(double centimeters) {
+        if (centimeters < 0) {
+            throw std::invalid_argument("Input value must be non-negative");
+        }
+        return centimeters * 0.393701; 
+    }
+    double yard2cm(double yards) {
+        if (yards < 0) {
+            throw std::invalid_argument("Input value must be non-negative");
+        }
+        return yards * 91.44; 
+    }
+    double cm2yard(double centimeters) {
+        if (centimeters < 0) {
+            throw std::invalid_argument("Input value must be non-negative");
+        }
+        return centimeters / 91.44; 
+    }
+    double mile2km(double miles) {
+        if (miles < 0) {
+            throw std::invalid_argument("Input value must be non-negative");
+        }
+        return miles * 1.60934; 
+    }
+    double km2mile(double kilometers) {
+        if (kilometers < 0) {
+            throw std::invalid_argument("Input value must be non-negative");
+        }
+        return kilometers / 1.60934; 
+    }
+}
+