[genius] Fri Nov 18 00:53:09 2011 Jiri (George) Lebl <jirka 5z com>

[George Lebl <jirka src gnome org>]

commit 0f2ce6b29cfb01cd6192b0a42604bb204e8f735c
Author: Jiri (George) Lebl <jirka 5z com>
Date:   Fri Nov 18 00:53:14 2011 -0600

    Fri Nov 18 00:53:09 2011  Jiri (George) Lebl <jirka 5z com>
    
    	* src/symbolic.c: accept log instead of ln for natural log when doing
    	  derivative when called as a single variable function.

 ChangeLog      |    5 +++++
 src/symbolic.c |    1 +
 2 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 53a8729..9748a71 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Fri Nov 18 00:53:09 2011  Jiri (George) Lebl <jirka 5z com>
+
+	* src/symbolic.c: accept log instead of ln for natural log when doing
+	  derivative when called as a single variable function.
+
 Mon Nov 07 00:28:58 2011  Jiri (George) Lebl <jirka 5z com>
 
 	* src/funclib.c, help/C/gel-function-list.xml:  Add CurrentTime
diff --git a/src/symbolic.c b/src/symbolic.c
index 8903f3c..87bb4e9 100644
--- a/src/symbolic.c
+++ b/src/symbolic.c
@@ -102,6 +102,7 @@ gel_differentiate_func1_expr (GelToken *tok)
 	/* Better then 1/x, since doing multiple derivatives
 	   on that sucks without simplification */
 	DERIVATIVE_ENTRY ("ln", "x^-1");
+	DERIVATIVE_ENTRY ("log", "x^-1");
 	DERIVATIVE_ENTRY ("log2", "log2(e)*x^-1");
 	DERIVATIVE_ENTRY ("log10", "log10(e)*x^-1");