3/5/08

Simple Binary to Decimal converter

This is a very simple program written in C to convert 16bit binary numbers to decimal numbers.

#include <stdio.h>

int main(int argc, char *argv[]){
char c;
int i,dec_val;

printf(" Give a binary number with length 16 : \n");
i=15;
dec_val=0;
while (i>=0) {
dec_val+= (getchar()-'0')*(1 << i);
i=i-1;
}
printf ("%d \n",dec_val);
return(0);
}

As you probably noticed no check is made. User inputs 16 chars which must be 0 and 1. After that characters are read and expected to be 0-1 and multiplied by a power of two.
Also this post here is a decimal to binary converter.
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