diff options
Diffstat (limited to 'sysdeps/ieee754/dbl-64/s_floor.c')
| -rw-r--r-- | sysdeps/ieee754/dbl-64/s_floor.c | 21 |
1 files changed, 6 insertions, 15 deletions
diff --git a/sysdeps/ieee754/dbl-64/s_floor.c b/sysdeps/ieee754/dbl-64/s_floor.c index bd6afa72e8..f27c6f3ad2 100644 --- a/sysdeps/ieee754/dbl-64/s_floor.c +++ b/sysdeps/ieee754/dbl-64/s_floor.c @@ -15,27 +15,24 @@ * Return x rounded toward -inf to integral value * Method: * Bit twiddling. - * Exception: - * Inexact flag raised if x not equal to floor(x). */ #include <math.h> #include <math_private.h> - -static const double huge = 1.0e300; +#include <libm-alias-double.h> double __floor (double x) { int32_t i0, i1, j0; - u_int32_t i, j; + uint32_t i, j; EXTRACT_WORDS (i0, i1, x); j0 = ((i0 >> 20) & 0x7ff) - 0x3ff; if (j0 < 20) { - if (j0 < 0) /* raise inexact if x != 0 */ + if (j0 < 0) { - math_force_eval (huge + x); /* return 0*sign(x) if |x|<1 */ + /* return 0*sign(x) if |x|<1 */ if (i0 >= 0) { i0 = i1 = 0; @@ -50,7 +47,6 @@ __floor (double x) i = (0x000fffff) >> j0; if (((i0 & i) | i1) == 0) return x; /* x is integral */ - math_force_eval (huge + x); /* raise inexact flag */ if (i0 < 0) i0 += (0x00100000) >> j0; i0 &= (~i); i1 = 0; @@ -65,10 +61,9 @@ __floor (double x) } else { - i = ((u_int32_t) (0xffffffff)) >> (j0 - 20); + i = ((uint32_t) (0xffffffff)) >> (j0 - 20); if ((i1 & i) == 0) return x; /* x is integral */ - math_force_eval (huge + x); /* raise inexact flag */ if (i0 < 0) { if (j0 == 20) @@ -87,9 +82,5 @@ __floor (double x) return x; } #ifndef __floor -weak_alias (__floor, floor) -# ifdef NO_LONG_DOUBLE -strong_alias (__floor, __floorl) -weak_alias (__floor, floorl) -# endif +libm_alias_double (__floor, floor) #endif |