projects
/
gnulib.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
round: Update regarding AIX.
[gnulib.git]
/
lib
/
logl.c
diff --git
a/lib/logl.c
b/lib/logl.c
index
16053cf
..
de46bd3
100644
(file)
--- a/
lib/logl.c
+++ b/
lib/logl.c
@@
-1,9
+1,9
@@
/* Copyright 2001 by Stephen L. Moshier <moshier@na-net.ornl.gov>
/* Copyright 2001 by Stephen L. Moshier <moshier@na-net.ornl.gov>
- This program is free software
;
you can redistribute it and/or modify
+ This program is free software
:
you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version
2, or (at your option)
- any later version.
+ the Free Software Foundation; either version
3 of the License, or
+
(at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
@@
-11,16
+11,14
@@
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; see the file COPYING.
- If not, write to the Free Software Foundation,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <config.h>
/* Specification. */
#include <math.h>
#include <config.h>
/* Specification. */
#include <math.h>
-/* logll.c
+/*
logll.c
*
* Natural logarithm for 128-bit long double precision.
*
*
* Natural logarithm for 128-bit long double precision.
*
@@
-64,8
+62,6
@@
*
*/
*
*/
-#include "isnanl.h"
-
/* log(1+x) = x - .5 x^2 + x^3 l(x)
-.0078125 <= x <= +.0078125
peak relative error 1.2e-37 */
/* log(1+x) = x - .5 x^2 + x^3 l(x)
-.0078125 <= x <= +.0078125
peak relative error 1.2e-37 */
@@
-189,11
+185,10
@@
static const long double
ln2b = 1.4286068203094172321214581765680755001344E-6L;
long double
ln2b = 1.4286068203094172321214581765680755001344E-6L;
long double
-logl(long double x)
+logl
(long double x)
{
long double z, y, w;
{
long double z, y, w;
- long double u, t;
- unsigned int m;
+ long double t;
int k, e;
/* Check for IEEE special cases. */
int k, e;
/* Check for IEEE special cases. */
@@
-220,7
+215,7
@@
logl(long double x)
}
/* Extract exponent and reduce domain to 0.703125 <= u < 1.40625 */
}
/* Extract exponent and reduce domain to 0.703125 <= u < 1.40625 */
- x = frexpl(x, &e);
+ x = frexpl
(x, &e);
if (x < 0.703125L)
{
x += x;
if (x < 0.703125L)
{
x += x;
@@
-244,17
+239,17
@@
logl(long double x)
/* Series expansion of log(1+z). */
w = z * z;
y = ((((((((((((l15 * z
/* Series expansion of log(1+z). */
w = z * z;
y = ((((((((((((l15 * z
- + l14) * z
- + l13) * z
- + l12) * z
- + l11) * z
- + l10) * z
- + l9) * z
- + l8) * z
- + l7) * z
- + l6) * z
- + l5) * z
- + l4) * z
+
+ l14) * z
+
+ l13) * z
+
+ l12) * z
+
+ l11) * z
+
+ l10) * z
+
+ l9) * z
+
+ l8) * z
+
+ l7) * z
+
+ l6) * z
+
+ l5) * z
+
+ l4) * z
+ l3) * z * w;
y -= 0.5 * w;
y += e * ln2b; /* Base 2 exponent offset times ln(2). */
+ l3) * z * w;
y -= 0.5 * w;
y += e * ln2b; /* Base 2 exponent offset times ln(2). */