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remove strict alias warning...

master
Olaf Dreesen 18 years ago
parent
commit
748f7857e4
  1. 9
      fmt/fmt_double.c

9
fmt/fmt_double.c

@ -1,10 +1,13 @@
#include "fmt.h"
unsigned int fmt_double(char *dest, double d,int maxlen,int prec) {
unsigned long long *x=(unsigned long long *)&d;
union {
double d;
unsigned long long x;
} __u = { .d=d, };
/* step 1: extract sign, mantissa and exponent */
signed int s=*x>>63;
signed long e=((*x>>52)&((1<<11)-1))-1023;
signed int s=__u.x>>63;
signed long e=((__u.x>>52)&((1<<11)-1))-1023;
/* unsigned long long m=*x & ((1ull<<52)-1); */
/* step 2: exponent is base 2, compute exponent for base 10 */
signed long e10=1+(long)(e*0.30102999566398119802); /* log10(2) */

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