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authorUlrich Drepper <drepper@gmail.com>2011-10-25 10:52:45 -0400
committerUlrich Drepper <drepper@gmail.com>2011-10-25 10:52:45 -0400
commitd7826aa149d2e85128a7ecf8fadc950ab9fe7a22 (patch)
tree9aff1638197c1f9b2ed99c8d666bd1a0b42517cb /sysdeps/ieee754/ldbl-96
parent31ea014d8b09e6aa4f07cdb86c94ce50f1b92c2a (diff)
downloadglibc-d7826aa149d2e85128a7ecf8fadc950ab9fe7a22.tar.gz
Use math_force_eval in more places
Diffstat (limited to 'sysdeps/ieee754/ldbl-96')
-rw-r--r--sysdeps/ieee754/ldbl-96/e_atanhl.c5
-rw-r--r--sysdeps/ieee754/ldbl-96/e_j0l.c13
-rw-r--r--sysdeps/ieee754/ldbl-96/s_roundl.c55
3 files changed, 35 insertions, 38 deletions
diff --git a/sysdeps/ieee754/ldbl-96/e_atanhl.c b/sysdeps/ieee754/ldbl-96/e_atanhl.c
index 5a2aebef3e..0f3c7fb596 100644
--- a/sysdeps/ieee754/ldbl-96/e_atanhl.c
+++ b/sysdeps/ieee754/ldbl-96/e_atanhl.c
@@ -52,7 +52,10 @@ __ieee754_atanhl(long double x)
return (x-x)/(x-x);
if(ix==0x3fff)
return x/zero;
- if(ix<0x3fe3&&(huge+x)>zero) return x; /* x<2**-28 */
+ if(ix<0x3fe3) {
+ math_force_eval(huge+x);
+ return x; /* x<2**-28 */
+ }
SET_LDOUBLE_EXP(x,ix);
if(ix<0x3ffe) { /* x < 0.5 */
t = x+x;
diff --git a/sysdeps/ieee754/ldbl-96/e_j0l.c b/sysdeps/ieee754/ldbl-96/e_j0l.c
index ce1f0f7563..abf4f109f8 100644
--- a/sysdeps/ieee754/ldbl-96/e_j0l.c
+++ b/sysdeps/ieee754/ldbl-96/e_j0l.c
@@ -144,13 +144,12 @@ __ieee754_j0l (long double x)
}
if (__builtin_expect (ix < 0x3fef, 0)) /* |x| < 2**-16 */
{
- if (huge + x > one)
- { /* raise inexact if x != 0 */
- if (ix < 0x3fde) /* |x| < 2^-33 */
- return one;
- else
- return one - 0.25 * x * x;
- }
+ /* raise inexact if x != 0 */
+ math_force_eval (huge + x);
+ if (ix < 0x3fde) /* |x| < 2^-33 */
+ return one;
+ else
+ return one - 0.25 * x * x;
}
z = x * x;
r = z * (R[0] + z * (R[1] + z * (R[2] + z * (R[3] + z * R[4]))));
diff --git a/sysdeps/ieee754/ldbl-96/s_roundl.c b/sysdeps/ieee754/ldbl-96/s_roundl.c
index f1399cc209..833ae0d786 100644
--- a/sysdeps/ieee754/ldbl-96/s_roundl.c
+++ b/sysdeps/ieee754/ldbl-96/s_roundl.c
@@ -1,5 +1,5 @@
/* Round long double to integer away from zero.
- Copyright (C) 1997, 2007 Free Software Foundation, Inc.
+ Copyright (C) 1997, 2007, 2011 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
@@ -38,15 +38,13 @@ __roundl (long double x)
{
if (j0 < 0)
{
- if (huge + x > 0.0)
+ math_force_eval (huge + x);
+ se &= 0x8000;
+ i0 = i1 = 0;
+ if (j0 == -1)
{
- se &= 0x8000;
- i0 = i1 = 0;
- if (j0 == -1)
- {
- se |= 0x3fff;
- i0 = 0x80000000;
- }
+ se |= 0x3fff;
+ i0 = 0x80000000;
}
}
else
@@ -55,15 +53,14 @@ __roundl (long double x)
if (((i0 & i) | i1) == 0)
/* X is integral. */
return x;
- if (huge + x > 0.0)
- {
- /* Raise inexact if x != 0. */
- u_int32_t j = i0 + (0x40000000 >> j0);
- if (j < i0)
- se += 1;
- i0 = (j & ~i) | 0x80000000;
- i1 = 0;
- }
+
+ /* Raise inexact if x != 0. */
+ math_force_eval (huge + x);
+ u_int32_t j = i0 + (0x40000000 >> j0);
+ if (j < i0)
+ se += 1;
+ i0 = (j & ~i) | 0x80000000;
+ i1 = 0;
}
}
else if (j0 > 62)
@@ -81,22 +78,20 @@ __roundl (long double x)
/* X is integral. */
return x;
- if (huge + x > 0.0)
+ math_force_eval (huge + x);
+ /* Raise inexact if x != 0. */
+ u_int32_t j = i1 + (1 << (62 - j0));
+ if (j < i1)
{
- /* Raise inexact if x != 0. */
- u_int32_t j = i1 + (1 << (62 - j0));
- if (j < i1)
+ u_int32_t k = i0 + 1;
+ if (k < i0)
{
- u_int32_t k = i0 + 1;
- if (k < i0)
- {
- se += 1;
- k |= 0x80000000;
- }
- i0 = k;
+ se += 1;
+ k |= 0x80000000;
}
- i1 = j;
+ i0 = k;
}
+ i1 = j;
i1 &= ~i;
}