diff options
Diffstat (limited to 'Transcen.scm')
| -rw-r--r-- | Transcen.scm | 13 |
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)) |