Import Upstream version 5d2upstream/5d2

1 files changed, 7 insertions, 6 deletions

diff --git a/Transcen.scm b/Transcen.scm
index 362420a..7898251 100644
--- a/Transcen.scm
+++ b/Transcen.scm
@@ -1,18 +1,18 @@
 ;; Copyright (C) 1992, 1993, 1995, 1997 Free Software Foundation, Inc.
-;; 
+;;
 ;; 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
 ;; the Free Software Foundation; either version 2, 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
 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 ;; GNU General Public License for more details.
-;; 
+;;
 ;; You should have received a copy of the GNU General Public License
 ;; along with this software; see the file COPYING.  If not, write to
-;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+;; the Free Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111, USA.
 ;;
 ;; As a special exception, the Free Software Foundation gives permission
 ;; for additional uses of the text contained in its release of GUILE.
@@ -36,7 +36,7 @@
 ;;
 ;; If you write modifications of your own for GUILE, it is your choice
 ;; whether to permit this exception to apply to your modifications.
-;; If you do not wish that, delete this exception notice.  
+;; If you do not wish that, delete this exception notice.
 
 ;;;; "Transcen.scm", Complex trancendental functions for SCM.
 ;;; Author: Jerry D. Hedden.
@@ -61,7 +61,8 @@
 (define expt
   (let ((integer-expt integer-expt))
     (lambda (z1 z2)
-      (cond ((exact? z2)
+      (cond ((zero? z1) (if (zero? z2) 1 0))
+	    ((exact? z2)
 	     (integer-expt z1 z2))
 	    ((and (real? z2) (real? z1) (>= z1 0))
 	     ($expt z1 z2))