(assert (= (test 1.0d0) 2.0d0))
-;;; success
-(quit :unix-status 104)
+(deftype myarraytype (&optional (length '*))
+ `(simple-array double-float (,length)))
+(defun new-pu-label-from-pu-labels (array)
+ (setf (aref (the myarraytype array) 0)
+ sb-ext:double-float-positive-infinity))
+
+;;; bug 407
+;;;
+;;; FIXME: it may be that TYPE-ERROR is wrong, and we should
+;;; instead signal an overflow or coerce into an infinity.
+(defun bug-407a ()
+ (loop for n from (expt 2 1024) upto (+ 10 (expt 2 1024))
+ do (handler-case
+ (coerce n 'single-float)
+ (simple-type-error ()
+ (return-from bug-407a :type-error)))))
+(assert (eq :type-error (bug-407a)))
+(defun bug-407b ()
+ (loop for n from (expt 2 1024) upto (+ 10 (expt 2 1024))
+ do (handler-case
+ (format t "~E~%" (coerce n 'single-float))
+ (simple-type-error ()
+ (return-from bug-407b :type-error)))))
+(assert (eq :type-error (bug-407b)))
+
+;; 1.0.29.44 introduces a ton of changes for complex floats
+;; on x86-64. Huge test of doom to help catch weird corner
+;; cases.
+;; Abuse the framework to also test some float arithmetic
+;; changes wrt constant arguments in 1.0.29.54.
+(defmacro def-compute (name real-type
+ &optional (complex-type `(complex ,real-type)))
+ `(defun ,name (x y r)
+ (declare (type ,complex-type x y)
+ (type ,real-type r))
+ (flet ((reflections (x)
+ (values x
+ (conjugate x)
+ (complex (- (realpart x)) (imagpart x))
+ (- x)))
+ (compute (x y r)
+ (declare (type ,complex-type x y)
+ (type ,real-type r))
+ (list (1+ x) (* 2 x) (/ x 2) (= 1 x)
+ (+ x y) (+ r x) (+ x r)
+ (- x y) (- r x) (- x r)
+ (* x y) (* x r) (* r x)
+ (unless (zerop y)
+ (/ x y))
+ (unless (zerop r)
+ (/ x r))
+ (unless (zerop x)
+ (/ r x))
+ (conjugate x) (conjugate r)
+ (abs r) (- r) (= 1 r)
+ (- x) (1+ r) (* 2 r) (/ r 2)
+ (complex r) (complex r r) (complex 0 r)
+ (= x y) (= r x) (= y r) (= x (complex 0 r))
+ (= r (realpart x)) (= (realpart x) r)
+ (> r (realpart x)) (< r (realpart x))
+ (> (realpart x) r) (< (realpart x) r)
+ (eql x y) (eql x (complex r)) (eql y (complex r))
+ (eql x (complex r r)) (eql y (complex 0 r))
+ (eql r (realpart x)) (eql (realpart x) r))))
+ (declare (inline reflections))
+ (multiple-value-bind (x1 x2 x3 x4) (reflections x)
+ (multiple-value-bind (y1 y2 y3 y4) (reflections y)
+ #.(let ((form '(list)))
+ (dolist (x '(x1 x2 x3 x4) (reverse form))
+ (dolist (y '(y1 y2 y3 y4))
+ (push `(list ,x ,y r
+ (append (compute ,x ,y r)
+ (compute ,x ,y (- r))))
+ form)))))))))
+
+(def-compute compute-number real number)
+(def-compute compute-single single-float)
+(def-compute compute-double double-float)
+
+(labels ((equal-enough (x y)
+ (cond ((eql x y))
+ ((or (complexp x)
+ (complexp y))
+ (or (eql (coerce x '(complex double-float))
+ (coerce y '(complex double-float)))
+ (and (equal-enough (realpart x) (realpart y))
+ (equal-enough (imagpart x) (imagpart y)))))
+ ((numberp x)
+ (or (eql (coerce x 'double-float) (coerce y 'double-float))
+ (< (abs (- x y)) 1d-5))))))
+ (let* ((reals '(0 1 2))
+ (complexes '#.(let ((reals '(0 1 2))
+ (cpx '()))
+ (dolist (x reals (nreverse cpx))
+ (dolist (y reals)
+ (push (complex x y) cpx))))))
+ (declare (notinline every))
+ (dolist (r reals)
+ (dolist (x complexes)
+ (dolist (y complexes)
+ (let ((value (compute-number x y r))
+ (single (compute-single (coerce x '(complex single-float))
+ (coerce y '(complex single-float))
+ (coerce r 'single-float)))
+ (double (compute-double (coerce x '(complex double-float))
+ (coerce y '(complex double-float))
+ (coerce r 'double-float))))
+ (assert (every (lambda (pos ref single double)
+ (declare (ignorable pos))
+ (every (lambda (ref single double)
+ (or (and (equal-enough ref single)
+ (equal-enough ref double))
+ (and (not (numberp single)) ;; -ve 0s
+ (equal-enough single double))))
+ (fourth ref) (fourth single) (fourth double)))
+ '((0 0) (0 1) (0 2) (0 3)
+ (1 0) (1 1) (1 2) (1 3)
+ (2 0) (2 1) (2 2) (2 3)
+ (3 0) (3 1) (3 2) (3 3))
+ value single double))))))))
projects / sbcl.git / blobdiff