[LON-CAPA-cvs] cvs: loncom /xml lontexconvert.pm

[albertel]

albertel		Thu Feb 24 04:44:46 2005 EDT

  Modified files:              
    /loncom/xml	lontexconvert.pm 
  Log:
  - log(3,4) -> log base 4 of 3
  
  
Index: loncom/xml/lontexconvert.pm
diff -u loncom/xml/lontexconvert.pm:1.52 loncom/xml/lontexconvert.pm:1.53
--- loncom/xml/lontexconvert.pm:1.52	Thu Feb 24 04:37:43 2005
+++ loncom/xml/lontexconvert.pm	Thu Feb 24 04:44:46 2005
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # TeX Conversion Module
 #
-# $Id: lontexconvert.pm,v 1.52 2005/02/24 09:37:43 albertel Exp $
+# $Id: lontexconvert.pm,v 1.53 2005/02/24 09:44:46 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -258,9 +258,13 @@
     # sqrt(3,4) means the 4 root of 3
     $string =~s/\\sqrt{([^,]+),([^\}]+)}/\\sqrt[$2]{$1}/gs;
 
+    # log(3,4) means the log base 4 of 3
+    $string =~s/\\log\\left\((.+?),(.+?)\\right\)/\\log_{$2}\\left($1\\right)/gs;
+
     # remove the extra () in the denominator of a \frac
     $string =~s/\\frac{(.+?)}{\\left\((.+?)\\right\)}/\\frac{$1}{$2}/gs;
 
+    
     &Apache::lonnet::logthis($string);
     return $string;
 }