0.8.7.13:

[sbcl.git] / tests / float.pure.lisp

diff --git a/tests/float.pure.lisp b/tests/float.pure.lisp
index c957c9f..dfa417e 100644 (file)
--- a/tests/float.pure.lisp
+++ b/tests/float.pure.lisp
@@ -64,3 +64,24 @@
                    (integer-decode-float f)
                  (scale-float (float signif f) expon))
                f)))
+
+;;; bug found by Paul Dietz: FFLOOR and similar did not work for integers
+(let ((tests '(((ffloor -8 3) (-3.0 1))
+               ((fround -8 3) (-3.0 1))
+               ((ftruncate -8 3) (-2.0 -2))
+               ((fceiling -8 3) (-2.0 -2)))))
+  (loop for (exp res) in tests
+        for real-res = (multiple-value-list (eval exp))
+        do (assert (equal real-res res))))
+
+;;; bug 45b reported by PVE
+(dolist (type '(short single double long))
+  (dolist (sign '(positive negative))
+    (let* ((name (find-symbol (format nil "LEAST-~A-~A-FLOAT"
+                                      sign type)
+                              :cl))
+           (value (symbol-value name)))
+      (assert (zerop (/ value 2))))))
+
+;;; bug found by Paul Dietz: bad rounding on small floats
+(assert (= (fround least-positive-short-float least-positive-short-float) 1.0))