[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Guile-commits] GNU Guile branch, stable-2.0, updated. v2.0.6-9-gecbded7
From: |
Mark H Weaver |
Subject: |
[Guile-commits] GNU Guile branch, stable-2.0, updated. v2.0.6-9-gecbded7 |
Date: |
Wed, 01 Aug 2012 03:02:35 +0000 |
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU Guile".
http://git.savannah.gnu.org/cgit/guile.git/commit/?id=ecbded71bb423a6055c541d6272796aefd1486f9
The branch, stable-2.0 has been updated
via ecbded71bb423a6055c541d6272796aefd1486f9 (commit)
from cc26b9de1d3c21cb4be49cc61c4b5872b8f607c5 (commit)
Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.
- Log -----------------------------------------------------------------
commit ecbded71bb423a6055c541d6272796aefd1486f9
Author: Mark H Weaver <address@hidden>
Date: Tue Jul 31 22:52:17 2012 -0400
Avoid cexp, whose C standard definition is mathematically incorrect
* libguile/numbers.c (scm_exp): Do not use cexp.
-----------------------------------------------------------------------
Summary of changes:
libguile/numbers.c | 10 +++++-----
1 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/libguile/numbers.c b/libguile/numbers.c
index 52e227f..3ea88ea 100644
--- a/libguile/numbers.c
+++ b/libguile/numbers.c
@@ -9593,13 +9593,13 @@ SCM_PRIMITIVE_GENERIC (scm_exp, "exp", 1, 0, 0,
{
if (SCM_COMPLEXP (z))
{
-#if defined HAVE_COMPLEX_DOUBLE && defined HAVE_CEXP \
- && defined (SCM_COMPLEX_VALUE)
- return scm_from_complex_double (cexp (SCM_COMPLEX_VALUE (z)));
-#else
+ /* Unfortunately we cannot use cexp() here, because both C99 and
+ C11 specify behavior for cexp() that is mathematically
+ incorrect. In particular, they specify in annex G.6.3.1
+ that cexp(+inf.0+inf.0i) and cexp(+inf.0+nan.0i) return
+ +inf.0+nan.0i or -inf.0+nan.0i. */
return scm_c_make_polar (exp (SCM_COMPLEX_REAL (z)),
SCM_COMPLEX_IMAG (z));
-#endif
}
else if (SCM_NUMBERP (z))
{
hooks/post-receive
--
GNU Guile
[Prev in Thread] |
Current Thread |
[Next in Thread] |
- [Guile-commits] GNU Guile branch, stable-2.0, updated. v2.0.6-9-gecbded7,
Mark H Weaver <=