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am c54c2a84: am 8da69a25: Merge "Switch fpclassify over to ieee_ext."

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* commit 'c54c2a84cc70861e648932bd84e02163f845dcef':
  Switch fpclassify over to ieee_ext.
This commit is contained in:
Elliott Hughes 2014-04-17 23:34:51 +00:00 committed by Android Git Automerger
commit c87cb4fbb4
1 changed files with 7 additions and 10 deletions
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17
libc/bionic/fpclassify.cpp
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@ -96,22 +96,19 @@ __strong_alias(isnanf, __isnanf);
union long_double_u {
long double ld;
struct {
unsigned long fracl:64;
unsigned long frach:48;
unsigned int exp:15;
unsigned int sign:1;
} bits;
ieee_ext bits;
};
#define zero_frac(b) ((b.ext_fracl | b.ext_fraclm | b.ext_frachm | b.ext_frach) == 0)
int __fpclassifyl(long double ld) {
long_double_u u;
u.ld = ld;
if (u.bits.exp == 0) {
return ((u.bits.fracl | u.bits.frach) == 0) ? FP_ZERO : FP_SUBNORMAL;
if (u.bits.ext_exp == 0) {
return zero_frac(u.bits) ? FP_ZERO : FP_SUBNORMAL;
}
if (u.bits.exp == EXT_EXP_INFNAN) {
return ((u.bits.fracl | u.bits.frach) == 0) ? FP_INFINITE : FP_NAN;
if (u.bits.ext_exp == EXT_EXP_INFNAN) {
return zero_frac(u.bits) ? FP_INFINITE : FP_NAN;
}
return FP_NORMAL;
}