In the meanwhile....
int HELPER_Float_To_Char(char *str, double f, char precision)
{
long a,b,c,k,l=0,m,i=0;
// check for negative float
if(f<0.0)
{
str[i++]='-';
f*=-1;
}
a=f; // extracting whole number
f-=a; // extracting decimal part
k = precision;
// number of digits in whole number
while(k>-1)
{
l = pow(10,k);
m = a/l;
if(m>0)
{
break;
}
k--;
}
// number of digits in whole number are k+1
/*
extracting most significant digit i.e. right most digit , and concatenating to string
obtained as quotient by dividing number by 10^k where k = (number of digit -1)
*/
for(l=k+1;l>0;l--)
{
b = pow(10,l-1);
c = a/b;
str[i++]=c+48;
a%=b;
}
str[i++] = '.';
/* extracting decimal digits till precision */
for(l=0;l<precision;l++)
{
f*=10.0;
b = f;
str[i++]=b+48;
f-=b;
}
str[i]='\0';
return strlen(str);
}
