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mirror of https://github.com/adtools/clib2.git synced 2025-12-08 14:59:05 +00:00

- Added a check against DBL_EPSILON in log() and log10() in place of the

check against 0 that used to be in there.


git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@14807 87f5fb63-7c3d-0410-a384-fd976d0f7a62
This commit is contained in:
Olaf Barthel
2005-01-18 20:00:08 +00:00
parent e4b70e946f
commit 17fea5626a
2 changed files with 8 additions and 10 deletions

View File

@ -1,5 +1,5 @@
/*
* $Id: math_log.c,v 1.3 2005-01-02 09:07:07 obarthel Exp $
* $Id: math_log.c,v 1.4 2005-01-18 20:00:08 obarthel Exp $
*
* :ts=4
*
@ -244,11 +244,10 @@ log(double x)
{
double result;
/* ZZZ when do we consider 'x' to be invalid? If it's close
* enough to zero or negative. How large is epsilon, and how
* do we return minus infinity?
/* When do we consider 'x' to be invalid? If it's close
* enough to zero or negative.
*/
if(x > 0.0)
if(x > DBL_EPSILON)
{
result = __log(x);
}

View File

@ -1,5 +1,5 @@
/*
* $Id: math_log10.c,v 1.2 2005-01-02 09:07:07 obarthel Exp $
* $Id: math_log10.c,v 1.3 2005-01-18 20:00:08 obarthel Exp $
*
* :ts=4
*
@ -186,11 +186,10 @@ log10(double x)
{
double result;
/* ZZZ when do we consider 'x' to be invalid? If it's close
* enough to zero or negative. How large is epsilon, and how
* do we return minus infinity?
/* When do we consider 'x' to be invalid? If it's close
* enough to zero or negative.
*/
if(x > 0.0)
if(x > DBL_EPSILON)
{
result = __log10(x);
}