* sysdeps/alpha/fpu/s_ceil.c: Rewrite without branches.
* sysdeps/alpha/fpu/s_ceilf.c: Likewise.
* sysdeps/alpha/fpu/s_floor.c: Likewise.
* sysdeps/alpha/fpu/s_floorf.c: Likewise.
* sysdeps/alpha/fpu/s_rint.c: Likewise.
* sysdeps/alpha/fpu/s_rintf.c: Likewise.
* sysdeps/alpha/fpu/s_fmax.S: New file.
* sysdeps/alpha/fpu/s_fmaxf.S: New file.
* sysdeps/alpha/fpu/s_fmin.S: New file.
* sysdeps/alpha/fpu/s_fminf.S: New file.
* sysdeps/alpha/fpu/s_isnan.c: New file.
* sysdeps/alpha/fpu/s_isnanf.c: New file.
* sysdeps/alpha/fpu/s_llrint.c: New file.
* sysdeps/alpha/fpu/s_llrintf.c: New file.
* sysdeps/alpha/fpu/s_lrint.c: New file.
* sysdeps/alpha/fpu/s_lrintf.c: New file.
* sysdeps/alpha/fpu/s_nearbyint.c: New file.
* sysdeps/alpha/fpu/s_nearbyintf.c: New file.
* sysdeps/alpha/fpu/bits/mathinline.h (__floorf, __floor): Remove.
(__fdimf, fdimf, __fdim, fdim): Remove.
(__signbitf, __signbit, __signbitl): Use gcc builtin if available.
(__isnanf, __isnan, __isnanl): New.
2007-03-14 Richard Henderson <rth@redhat.com>
* sysdeps/alpha/fpu/s_ceil.c: Rewrite without branches.
* sysdeps/alpha/fpu/s_ceilf.c: Likewise.
* sysdeps/alpha/fpu/s_floor.c: Likewise.
* sysdeps/alpha/fpu/s_floorf.c: Likewise.
* sysdeps/alpha/fpu/s_rint.c: Likewise.
* sysdeps/alpha/fpu/s_rintf.c: Likewise.
* sysdeps/alpha/fpu/s_fmax.S: New file.
* sysdeps/alpha/fpu/s_fmaxf.S: New file.
* sysdeps/alpha/fpu/s_fmin.S: New file.
* sysdeps/alpha/fpu/s_fminf.S: New file.
* sysdeps/alpha/fpu/s_isnan.c: New file.
* sysdeps/alpha/fpu/s_isnanf.c: New file.
* sysdeps/alpha/fpu/s_llrint.c: New file.
* sysdeps/alpha/fpu/s_llrintf.c: New file.
* sysdeps/alpha/fpu/s_lrint.c: New file.
* sysdeps/alpha/fpu/s_lrintf.c: New file.
* sysdeps/alpha/fpu/s_nearbyint.c: New file.
* sysdeps/alpha/fpu/s_nearbyintf.c: New file.
* sysdeps/alpha/fpu/bits/mathinline.h (__floorf, __floor): Remove.
(__fdimf, fdimf, __fdim, fdim): Remove.
(__signbitf, __signbit, __signbitl): Use gcc builtin if available.
(__isnanf, __isnan, __isnanl): New.
2007-03-14 18:44:14 +01:00
|
|
|
/* Copyright (C) 1998, 2000, 2006, 2007 Free Software Foundation, Inc.
|
1998-08-23 06:10:13 +02:00
|
|
|
This file is part of the GNU C Library.
|
|
|
|
Contributed by Richard Henderson.
|
|
|
|
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
2001-07-06 06:58:11 +02:00
|
|
|
modify it under the terms of the GNU Lesser General Public
|
|
|
|
License as published by the Free Software Foundation; either
|
|
|
|
version 2.1 of the License, or (at your option) any later version.
|
1998-08-23 06:10:13 +02:00
|
|
|
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
2001-07-06 06:58:11 +02:00
|
|
|
Lesser General Public License for more details.
|
1998-08-23 06:10:13 +02:00
|
|
|
|
2001-07-06 06:58:11 +02:00
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
|
|
License along with the GNU C Library; if not, write to the Free
|
|
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
|
|
02111-1307 USA. */
|
1998-08-23 06:10:13 +02:00
|
|
|
|
|
|
|
#include <math.h>
|
2006-02-01 04:14:01 +01:00
|
|
|
#include <math_ldbl_opt.h>
|
1998-08-23 06:10:13 +02:00
|
|
|
|
2000-03-20 21:32:11 +01:00
|
|
|
/* Use the -inf rounding mode conversion instructions to implement
|
|
|
|
ceil, via something akin to -floor(-x). This is much faster than
|
|
|
|
playing with the fpcr to achieve +inf rounding mode. */
|
|
|
|
|
1998-08-23 06:10:13 +02:00
|
|
|
double
|
|
|
|
__ceil (double x)
|
|
|
|
{
|
* sysdeps/alpha/fpu/s_ceil.c: Rewrite without branches.
* sysdeps/alpha/fpu/s_ceilf.c: Likewise.
* sysdeps/alpha/fpu/s_floor.c: Likewise.
* sysdeps/alpha/fpu/s_floorf.c: Likewise.
* sysdeps/alpha/fpu/s_rint.c: Likewise.
* sysdeps/alpha/fpu/s_rintf.c: Likewise.
* sysdeps/alpha/fpu/s_fmax.S: New file.
* sysdeps/alpha/fpu/s_fmaxf.S: New file.
* sysdeps/alpha/fpu/s_fmin.S: New file.
* sysdeps/alpha/fpu/s_fminf.S: New file.
* sysdeps/alpha/fpu/s_isnan.c: New file.
* sysdeps/alpha/fpu/s_isnanf.c: New file.
* sysdeps/alpha/fpu/s_llrint.c: New file.
* sysdeps/alpha/fpu/s_llrintf.c: New file.
* sysdeps/alpha/fpu/s_lrint.c: New file.
* sysdeps/alpha/fpu/s_lrintf.c: New file.
* sysdeps/alpha/fpu/s_nearbyint.c: New file.
* sysdeps/alpha/fpu/s_nearbyintf.c: New file.
* sysdeps/alpha/fpu/bits/mathinline.h (__floorf, __floor): Remove.
(__fdimf, fdimf, __fdim, fdim): Remove.
(__signbitf, __signbit, __signbitl): Use gcc builtin if available.
(__isnanf, __isnan, __isnanl): New.
2007-03-14 Richard Henderson <rth@redhat.com>
* sysdeps/alpha/fpu/s_ceil.c: Rewrite without branches.
* sysdeps/alpha/fpu/s_ceilf.c: Likewise.
* sysdeps/alpha/fpu/s_floor.c: Likewise.
* sysdeps/alpha/fpu/s_floorf.c: Likewise.
* sysdeps/alpha/fpu/s_rint.c: Likewise.
* sysdeps/alpha/fpu/s_rintf.c: Likewise.
* sysdeps/alpha/fpu/s_fmax.S: New file.
* sysdeps/alpha/fpu/s_fmaxf.S: New file.
* sysdeps/alpha/fpu/s_fmin.S: New file.
* sysdeps/alpha/fpu/s_fminf.S: New file.
* sysdeps/alpha/fpu/s_isnan.c: New file.
* sysdeps/alpha/fpu/s_isnanf.c: New file.
* sysdeps/alpha/fpu/s_llrint.c: New file.
* sysdeps/alpha/fpu/s_llrintf.c: New file.
* sysdeps/alpha/fpu/s_lrint.c: New file.
* sysdeps/alpha/fpu/s_lrintf.c: New file.
* sysdeps/alpha/fpu/s_nearbyint.c: New file.
* sysdeps/alpha/fpu/s_nearbyintf.c: New file.
* sysdeps/alpha/fpu/bits/mathinline.h (__floorf, __floor): Remove.
(__fdimf, fdimf, __fdim, fdim): Remove.
(__signbitf, __signbit, __signbitl): Use gcc builtin if available.
(__isnanf, __isnan, __isnanl): New.
2007-03-14 18:44:14 +01:00
|
|
|
double two52 = copysign (0x1.0p52, x);
|
|
|
|
double r, tmp;
|
|
|
|
|
|
|
|
__asm (
|
1998-08-23 06:10:13 +02:00
|
|
|
#ifdef _IEEE_FP_INEXACT
|
* sysdeps/alpha/fpu/s_ceil.c: Rewrite without branches.
* sysdeps/alpha/fpu/s_ceilf.c: Likewise.
* sysdeps/alpha/fpu/s_floor.c: Likewise.
* sysdeps/alpha/fpu/s_floorf.c: Likewise.
* sysdeps/alpha/fpu/s_rint.c: Likewise.
* sysdeps/alpha/fpu/s_rintf.c: Likewise.
* sysdeps/alpha/fpu/s_fmax.S: New file.
* sysdeps/alpha/fpu/s_fmaxf.S: New file.
* sysdeps/alpha/fpu/s_fmin.S: New file.
* sysdeps/alpha/fpu/s_fminf.S: New file.
* sysdeps/alpha/fpu/s_isnan.c: New file.
* sysdeps/alpha/fpu/s_isnanf.c: New file.
* sysdeps/alpha/fpu/s_llrint.c: New file.
* sysdeps/alpha/fpu/s_llrintf.c: New file.
* sysdeps/alpha/fpu/s_lrint.c: New file.
* sysdeps/alpha/fpu/s_lrintf.c: New file.
* sysdeps/alpha/fpu/s_nearbyint.c: New file.
* sysdeps/alpha/fpu/s_nearbyintf.c: New file.
* sysdeps/alpha/fpu/bits/mathinline.h (__floorf, __floor): Remove.
(__fdimf, fdimf, __fdim, fdim): Remove.
(__signbitf, __signbit, __signbitl): Use gcc builtin if available.
(__isnanf, __isnan, __isnanl): New.
2007-03-14 Richard Henderson <rth@redhat.com>
* sysdeps/alpha/fpu/s_ceil.c: Rewrite without branches.
* sysdeps/alpha/fpu/s_ceilf.c: Likewise.
* sysdeps/alpha/fpu/s_floor.c: Likewise.
* sysdeps/alpha/fpu/s_floorf.c: Likewise.
* sysdeps/alpha/fpu/s_rint.c: Likewise.
* sysdeps/alpha/fpu/s_rintf.c: Likewise.
* sysdeps/alpha/fpu/s_fmax.S: New file.
* sysdeps/alpha/fpu/s_fmaxf.S: New file.
* sysdeps/alpha/fpu/s_fmin.S: New file.
* sysdeps/alpha/fpu/s_fminf.S: New file.
* sysdeps/alpha/fpu/s_isnan.c: New file.
* sysdeps/alpha/fpu/s_isnanf.c: New file.
* sysdeps/alpha/fpu/s_llrint.c: New file.
* sysdeps/alpha/fpu/s_llrintf.c: New file.
* sysdeps/alpha/fpu/s_lrint.c: New file.
* sysdeps/alpha/fpu/s_lrintf.c: New file.
* sysdeps/alpha/fpu/s_nearbyint.c: New file.
* sysdeps/alpha/fpu/s_nearbyintf.c: New file.
* sysdeps/alpha/fpu/bits/mathinline.h (__floorf, __floor): Remove.
(__fdimf, fdimf, __fdim, fdim): Remove.
(__signbitf, __signbit, __signbitl): Use gcc builtin if available.
(__isnanf, __isnan, __isnanl): New.
2007-03-14 18:44:14 +01:00
|
|
|
"addt/suim %2, %3, %1\n\tsubt/suim %1, %3, %0"
|
1998-08-23 06:10:13 +02:00
|
|
|
#else
|
* sysdeps/alpha/fpu/s_ceil.c: Rewrite without branches.
* sysdeps/alpha/fpu/s_ceilf.c: Likewise.
* sysdeps/alpha/fpu/s_floor.c: Likewise.
* sysdeps/alpha/fpu/s_floorf.c: Likewise.
* sysdeps/alpha/fpu/s_rint.c: Likewise.
* sysdeps/alpha/fpu/s_rintf.c: Likewise.
* sysdeps/alpha/fpu/s_fmax.S: New file.
* sysdeps/alpha/fpu/s_fmaxf.S: New file.
* sysdeps/alpha/fpu/s_fmin.S: New file.
* sysdeps/alpha/fpu/s_fminf.S: New file.
* sysdeps/alpha/fpu/s_isnan.c: New file.
* sysdeps/alpha/fpu/s_isnanf.c: New file.
* sysdeps/alpha/fpu/s_llrint.c: New file.
* sysdeps/alpha/fpu/s_llrintf.c: New file.
* sysdeps/alpha/fpu/s_lrint.c: New file.
* sysdeps/alpha/fpu/s_lrintf.c: New file.
* sysdeps/alpha/fpu/s_nearbyint.c: New file.
* sysdeps/alpha/fpu/s_nearbyintf.c: New file.
* sysdeps/alpha/fpu/bits/mathinline.h (__floorf, __floor): Remove.
(__fdimf, fdimf, __fdim, fdim): Remove.
(__signbitf, __signbit, __signbitl): Use gcc builtin if available.
(__isnanf, __isnan, __isnanl): New.
2007-03-14 Richard Henderson <rth@redhat.com>
* sysdeps/alpha/fpu/s_ceil.c: Rewrite without branches.
* sysdeps/alpha/fpu/s_ceilf.c: Likewise.
* sysdeps/alpha/fpu/s_floor.c: Likewise.
* sysdeps/alpha/fpu/s_floorf.c: Likewise.
* sysdeps/alpha/fpu/s_rint.c: Likewise.
* sysdeps/alpha/fpu/s_rintf.c: Likewise.
* sysdeps/alpha/fpu/s_fmax.S: New file.
* sysdeps/alpha/fpu/s_fmaxf.S: New file.
* sysdeps/alpha/fpu/s_fmin.S: New file.
* sysdeps/alpha/fpu/s_fminf.S: New file.
* sysdeps/alpha/fpu/s_isnan.c: New file.
* sysdeps/alpha/fpu/s_isnanf.c: New file.
* sysdeps/alpha/fpu/s_llrint.c: New file.
* sysdeps/alpha/fpu/s_llrintf.c: New file.
* sysdeps/alpha/fpu/s_lrint.c: New file.
* sysdeps/alpha/fpu/s_lrintf.c: New file.
* sysdeps/alpha/fpu/s_nearbyint.c: New file.
* sysdeps/alpha/fpu/s_nearbyintf.c: New file.
* sysdeps/alpha/fpu/bits/mathinline.h (__floorf, __floor): Remove.
(__fdimf, fdimf, __fdim, fdim): Remove.
(__signbitf, __signbit, __signbitl): Use gcc builtin if available.
(__isnanf, __isnan, __isnanl): New.
2007-03-14 18:44:14 +01:00
|
|
|
"addt/sum %2, %3, %1\n\tsubt/sum %1, %3, %0"
|
1998-08-23 06:10:13 +02:00
|
|
|
#endif
|
* sysdeps/alpha/fpu/s_ceil.c: Rewrite without branches.
* sysdeps/alpha/fpu/s_ceilf.c: Likewise.
* sysdeps/alpha/fpu/s_floor.c: Likewise.
* sysdeps/alpha/fpu/s_floorf.c: Likewise.
* sysdeps/alpha/fpu/s_rint.c: Likewise.
* sysdeps/alpha/fpu/s_rintf.c: Likewise.
* sysdeps/alpha/fpu/s_fmax.S: New file.
* sysdeps/alpha/fpu/s_fmaxf.S: New file.
* sysdeps/alpha/fpu/s_fmin.S: New file.
* sysdeps/alpha/fpu/s_fminf.S: New file.
* sysdeps/alpha/fpu/s_isnan.c: New file.
* sysdeps/alpha/fpu/s_isnanf.c: New file.
* sysdeps/alpha/fpu/s_llrint.c: New file.
* sysdeps/alpha/fpu/s_llrintf.c: New file.
* sysdeps/alpha/fpu/s_lrint.c: New file.
* sysdeps/alpha/fpu/s_lrintf.c: New file.
* sysdeps/alpha/fpu/s_nearbyint.c: New file.
* sysdeps/alpha/fpu/s_nearbyintf.c: New file.
* sysdeps/alpha/fpu/bits/mathinline.h (__floorf, __floor): Remove.
(__fdimf, fdimf, __fdim, fdim): Remove.
(__signbitf, __signbit, __signbitl): Use gcc builtin if available.
(__isnanf, __isnan, __isnanl): New.
2007-03-14 Richard Henderson <rth@redhat.com>
* sysdeps/alpha/fpu/s_ceil.c: Rewrite without branches.
* sysdeps/alpha/fpu/s_ceilf.c: Likewise.
* sysdeps/alpha/fpu/s_floor.c: Likewise.
* sysdeps/alpha/fpu/s_floorf.c: Likewise.
* sysdeps/alpha/fpu/s_rint.c: Likewise.
* sysdeps/alpha/fpu/s_rintf.c: Likewise.
* sysdeps/alpha/fpu/s_fmax.S: New file.
* sysdeps/alpha/fpu/s_fmaxf.S: New file.
* sysdeps/alpha/fpu/s_fmin.S: New file.
* sysdeps/alpha/fpu/s_fminf.S: New file.
* sysdeps/alpha/fpu/s_isnan.c: New file.
* sysdeps/alpha/fpu/s_isnanf.c: New file.
* sysdeps/alpha/fpu/s_llrint.c: New file.
* sysdeps/alpha/fpu/s_llrintf.c: New file.
* sysdeps/alpha/fpu/s_lrint.c: New file.
* sysdeps/alpha/fpu/s_lrintf.c: New file.
* sysdeps/alpha/fpu/s_nearbyint.c: New file.
* sysdeps/alpha/fpu/s_nearbyintf.c: New file.
* sysdeps/alpha/fpu/bits/mathinline.h (__floorf, __floor): Remove.
(__fdimf, fdimf, __fdim, fdim): Remove.
(__signbitf, __signbit, __signbitl): Use gcc builtin if available.
(__isnanf, __isnan, __isnanl): New.
2007-03-14 18:44:14 +01:00
|
|
|
: "=&f"(r), "=&f"(tmp)
|
|
|
|
: "f"(-x), "f"(-two52));
|
|
|
|
|
|
|
|
/* Fix up the negation we did above, as well as handling -0 properly. */
|
|
|
|
return copysign (r, x);
|
1998-08-23 06:10:13 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
weak_alias (__ceil, ceil)
|
|
|
|
#ifdef NO_LONG_DOUBLE
|
|
|
|
strong_alias (__ceil, __ceill)
|
|
|
|
weak_alias (__ceil, ceill)
|
|
|
|
#endif
|
2006-02-01 04:14:01 +01:00
|
|
|
#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
|
|
|
|
compat_symbol (libm, __ceil, ceill, GLIBC_2_0);
|
|
|
|
#endif
|