(assert (= 0.0d0 (scale-float 1.0d0 (1- most-negative-fixnum))))
(with-test (:name (:scale-float-overflow :bug-372)
- :fails-on '(or :ppc :darwin :freebsd)) ;; bug 372
+ :fails-on '(or :ppc :darwin)) ;; bug 372
(progn
(assert (raises-error? (scale-float 1.0 most-positive-fixnum)
floating-point-overflow))
(funcall (compile nil '(lambda () (tan (tan (round 0))))))
(with-test (:name (:addition-overflow :bug-372)
- :fails-on '(or :ppc :darwin :mips :freebsd))
+ :fails-on '(or :ppc :darwin (and :x86 :netbsd)))
(assert (typep (nth-value
1
(ignore-errors
(sb-sys:without-interrupts
+ (sb-int:set-floating-point-modes :current-exceptions nil
+ :accrued-exceptions nil)
(loop repeat 2 summing most-positive-double-float)
(sleep 2))))
'floating-point-overflow)))
(+ x0 x2 x4 x6) (+ x1 x3 x5 x7)
(+ x0 x3 x4 x7) (+ x1 x2 x5 x6)
(+ x0 x1 x6 x7) (+ x2 x3 x4 x5)))))))
+
+
+(with-test (:name :nan-comparisons
+ :fails-on '(or :sparc :mips))
+ (sb-int:with-float-traps-masked (:invalid)
+ (macrolet ((test (form)
+ (let ((nform (subst '(/ 0.0 0.0) 'nan form)))
+ `(progn
+ (assert (eval ',nform))
+ (assert (eval `(let ((nan (/ 0.0 0.0)))
+ ,',form)))
+ (assert (funcall
+ (compile nil `(lambda () ,',nform))))
+ (assert (funcall
+ (compile nil `(lambda (nan) ,',form))
+ (/ 0.0 0.0)))))))
+ (test (/= nan nan))
+ (test (/= nan nan nan))
+ (test (/= 1.0 nan 2.0 nan))
+ (test (/= nan 1.0 2.0 nan))
+ (test (not (= nan 1.0)))
+ (test (not (= nan nan)))
+ (test (not (= nan nan nan)))
+ (test (not (= 1.0 nan)))
+ (test (not (= nan 1.0)))
+ (test (not (= 1.0 1.0 nan)))
+ (test (not (= 1.0 nan 1.0)))
+ (test (not (= nan 1.0 1.0)))
+ (test (not (>= nan nan)))
+ (test (not (>= nan 1.0)))
+ (test (not (>= 1.0 nan)))
+ (test (not (>= 1.0 nan 0.0)))
+ (test (not (>= 1.0 0.0 nan)))
+ (test (not (>= nan 1.0 0.0)))
+ (test (not (<= nan nan)))
+ (test (not (<= nan 1.0)))
+ (test (not (<= 1.0 nan)))
+ (test (not (<= 1.0 nan 2.0)))
+ (test (not (<= 1.0 2.0 nan)))
+ (test (not (<= nan 1.0 2.0)))
+ (test (not (< nan nan)))
+ (test (not (< -1.0 nan)))
+ (test (not (< nan 1.0)))
+ (test (not (> nan nan)))
+ (test (not (> -1.0 nan)))
+ (test (not (> nan 1.0))))))
+
+(with-test (:name :log-int/double-accuracy)
+ ;; we used to use single precision for intermediate results
+ (assert (eql 2567.6046442221327d0
+ (log (loop for n from 1 to 1000 for f = 1 then (* f n)
+ finally (return f))
+ 10d0)))
+ ;; both ways
+ (assert (eql (log 123123123.0d0 10) (log 123123123 10.0d0))))
+
+(with-test (:name :log-base-zero-return-type)
+ (assert (eql 0.0f0 (log 123 (eval 0))))
+ (assert (eql 0.0d0 (log 123.0d0 (eval 0))))
+ (assert (eql 0.0d0 (log 123 (eval 0.0d0))))
+ (let ((f (compile nil '(lambda (x y)
+ (declare (optimize speed))
+ (etypecase x
+ (single-float
+ (etypecase y
+ (single-float (log x y))
+ (double-float (log x y))))
+ (double-float
+ (etypecase y
+ (single-float (log x y))
+ (double-float (log x y)))))))))
+ (assert (eql 0.0f0 (funcall f 123.0 0.0)))
+ (assert (eql 0.0d0 (funcall f 123.0d0 0.0)))
+ (assert (eql 0.0d0 (funcall f 123.0d0 0.0d0)))
+ (assert (eql 0.0d0 (funcall f 123.0 0.0d0)))))
+
+;; Bug reported by Eric Marsden on July 15 2009. The compiler
+;; used not to constant fold calls with arguments of type
+;; (EQL foo).
+(with-test (:name :eql-type-constant-fold)
+ (assert (equal '(FUNCTION (T) (VALUES (MEMBER T) &OPTIONAL))
+ (sb-kernel:%simple-fun-type
+ (compile nil `(lambda (x)
+ (eql #c(1.0 2.0)
+ (the (eql #c(1.0 2.0))
+ x))))))))