-(define-source-transform max (arg &rest more-args)
- (if (null more-args)
- `(values ,arg)
- (once-only ((arg1 arg)
- (arg2 `(max ,@more-args)))
- `(if (> ,arg1 ,arg2)
- ,arg1 ,arg2))))
-(define-source-transform min (arg &rest more-args)
- (if (null more-args)
- `(values ,arg)
- (once-only ((arg1 arg)
- (arg2 `(min ,@more-args)))
- `(if (< ,arg1 ,arg2)
- ,arg1 ,arg2))))
+(define-source-transform max (arg0 &rest rest)
+ (once-only ((arg0 arg0))
+ ;; ANSI says MAX should signal TYPE-ERROR if any arg isn't a REAL.
+ ;;
+ ;; KLUDGE: This UNLESS hackery is a workaround for bug 194.
+ ;; Better, when that bug is fixed, would be (THE REAL ,ARG0).
+ ;; -- WHN 2002-09-02
+ `(progn
+ (unless (realp ,arg0)
+ (error-not-a-real ,arg0))
+ ,(if (null rest)
+ arg0
+ `(let ((maxrest (max ,@rest)))
+ (if (> ,arg0 maxrest) ,arg0 maxrest))))))
+(define-source-transform min (arg0 &rest rest)
+ (once-only ((arg0 arg0))
+ ;; ANSI says MIN should signal TYPE-ERROR if any arg isn't a REAL.
+ ;;
+ ;; KLUDGE: This UNLESS hackery is a workaround for bug 194.
+ ;; Better, when that bug is fixed, would be (THE REAL ,ARG0).
+ ;; -- WHN 2002-09-02
+ `(progn
+ (unless (realp ,arg0)
+ (error-not-a-real ,arg0))
+ ,(if (null rest)
+ arg0
+ `(let ((minrest (min ,@rest)))
+ (if (< ,arg0 minrest) ,arg0 minrest))))))