diff options
Diffstat (limited to 'sysdeps/ieee754/flt-32/s_floorf.c')
| -rw-r--r-- | sysdeps/ieee754/flt-32/s_floorf.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/sysdeps/ieee754/flt-32/s_floorf.c b/sysdeps/ieee754/flt-32/s_floorf.c index 99d6c01833..12aed343a0 100644 --- a/sysdeps/ieee754/flt-32/s_floorf.c +++ b/sysdeps/ieee754/flt-32/s_floorf.c @@ -18,32 +18,28 @@ * Return x rounded toward -inf to integral value * Method: * Bit twiddling. - * Exception: - * Inexact flag raised if x not equal to floorf(x). */ #include <math.h> #include <math_private.h> - -static const float huge = 1.0e30; +#include <libm-alias-float.h> float __floorf(float x) { int32_t i0,j0; - u_int32_t i; + uint32_t i; GET_FLOAT_WORD(i0,x); j0 = ((i0>>23)&0xff)-0x7f; if(j0<23) { - if(j0<0) { /* raise inexact if x != 0 */ - math_force_eval(huge+x);/* return 0*sign(x) if |x|<1 */ + if(j0<0) { + /* return 0*sign(x) if |x|<1 */ if(i0>=0) {i0=0;} else if((i0&0x7fffffff)!=0) { i0=0xbf800000;} } else { i = (0x007fffff)>>j0; if((i0&i)==0) return x; /* x is integral */ - math_force_eval(huge+x); /* raise inexact flag */ if(i0<0) i0 += (0x00800000)>>j0; i0 &= (~i); } @@ -55,5 +51,5 @@ __floorf(float x) return x; } #ifndef __floorf -weak_alias (__floorf, floorf) +libm_alias_float (__floor, floor) #endif |