1 files changed, 87 insertions, 0 deletions
diff --git a/src/c/elementaryFunctions/radix_conversions/hex2dec/ghex2decs.c b/src/c/elementaryFunctions/radix_conversions/hex2dec/ghex2decs.c
new file mode 100644
index 0000000..eb42a7a
--- /dev/null
+++ b/src/c/elementaryFunctions/radix_conversions/hex2dec/ghex2decs.c
@@ -0,0 +1,87 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Organization: FOSSEE, IIT Bombay
+ Author: Shamik Guha
+ Email: toolbox@scilab.in
+*/
+#include <string.h>
+#include "hex2dec.h"
+#include <stdio.h>
+#include <math.h>
+
+double ghex2decs(char* in,int size)
+{
+	size-=2;
+	int i=0,val=0,j=0;
+	double o=0.0;
+	for(i=0; in[i]!='\0'; i++)
+    	{
+/* Finds the decimal equivalent of each hexadecimal digit
+*/
+        switch(in[i])
+        {
+            case '0':
+                val = 0;
+                break;
+            case '1':
+                val = 1;
+                break;
+            case '2':
+                val = 2;
+                break;
+            case '3':
+                val = 3;
+                break;
+            case '4':
+                val = 4;
+                break;
+            case '5':
+                val = 5;
+                break;
+            case '6':
+                val = 6;
+                break;
+            case '7':
+                val = 7;
+                break;
+            case '8':
+                val = 8;
+                break;
+            case '9':
+                val = 9;
+                break;
+            case 'a':
+            case 'A':
+                val = 10;
+                break;
+            case 'b':
+            case 'B':
+                val = 11;
+                break;
+            case 'c':
+            case 'C':
+                val = 12;
+                break;
+            case 'd':
+            case 'D':
+                val = 13;
+                break;
+            case 'e':
+            case 'E':
+                val = 14;
+                break;
+            case 'f':
+            case 'F':
+                val = 15;
+                break;
+        }
+    	o = o + (val * (int)pow((double)16, size));
+        size--;
+    }
+	return o;
+ }