diff options
Diffstat (limited to '2.3-1/src/c/elementaryFunctions/radix_conversions/hex2dec/ghex2decs.c')
-rw-r--r-- | 2.3-1/src/c/elementaryFunctions/radix_conversions/hex2dec/ghex2decs.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/2.3-1/src/c/elementaryFunctions/radix_conversions/hex2dec/ghex2decs.c b/2.3-1/src/c/elementaryFunctions/radix_conversions/hex2dec/ghex2decs.c new file mode 100644 index 00000000..eb42a7a7 --- /dev/null +++ b/2.3-1/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; + } |