[git] CMU Common Lisp branch master updated. snapshot-2013-12-a-15-g7916cfb

[Raymond Toy]

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- Log -----------------------------------------------------------------
commit 7916cfb0b1b01e42901d92d9669c3c6099a6cab6
Author: Raymond Toy <toy.raymond at gmail.com>
Date:   Wed Dec 18 08:50:37 2013 -0800

    Add more tests for exceptional values for cos and tan.  Add a few
    comments.

diff --git a/src/tests/trig.lisp b/src/tests/trig.lisp
index 41e444a..58d10b6 100644
--- a/src/tests/trig.lisp
+++ b/src/tests/trig.lisp
@@ -1,3 +1,5 @@
+;;; Tests for the basic trig functions, now implemented in Lisp.
+
 (defpackage :trig-tests
   (:use :cl :lisp-unit))
 
@@ -52,8 +54,10 @@
   "Test sin for exceptional values"
   (:tag :sin :exceptions)
   (kernel::with-float-traps-masked ()
-    (assert-error 'floating-point-invalid-operation (sin ext:double-float-positive-infinity))
-    (assert-error 'floating-point-invalid-operation (sin ext:double-float-negative-infinity))))
+    (assert-error 'floating-point-invalid-operation
+		  (sin ext:double-float-positive-infinity))
+    (assert-error 'floating-point-invalid-operation
+		  (sin ext:double-float-negative-infinity))))
 
 (define-test cos.signed-zeroes
   "Test cos for 0d0 and -0d0"
@@ -104,6 +108,15 @@
   (assert-eql -0.9258790228548379d0
 	      (cos (scale-float 1d0 120))))
 
+(define-test cos.exceptions
+  "Test cos for exceptional values"
+  (:tag :sin :exceptions)
+  (kernel::with-float-traps-masked ()
+    (assert-error 'floating-point-invalid-operation
+		  (cos ext:double-float-positive-infinity))
+    (assert-error 'floating-point-invalid-operation
+		  (cos ext:double-float-negative-infinity))))
+
 (define-test tan.signed-zeroes
   "Test tan for 0d0 and -0d0"
   (:tag :tan :signed-zeroes)
@@ -150,6 +163,14 @@
   (assert-eql -4.08066388841804238545143494525595117765084022768d-1
 	      (tan (scale-float 1d0 120))))
 
+(define-test tan.exceptions
+  "Test tan for exceptional values"
+  (:tag :sin :exceptions)
+  (kernel::with-float-traps-masked ()
+    (assert-error 'floating-point-invalid-operation
+		  (tan ext:double-float-positive-infinity))
+    (assert-error 'floating-point-invalid-operation
+		  (tan ext:double-float-negative-infinity))))
 
 (define-test sincos.signed-zeroes
   "Test sincos at 0d0, -0d0"
@@ -159,6 +180,9 @@
   (assert-equal '(-0d0 1d0)
 		(multiple-value-list (kernel::%sincos -0d0))))
 
+;; Test sincos at a bunch of random points and compare the result from
+;; sin and cos.  If they differ, save the result in a list to be
+;; returned.
 (defun sincos-test (limit n)
   (let (results)
     (dotimes (k n)

-----------------------------------------------------------------------

Summary of changes:
 src/tests/trig.lisp |   28 ++++++++++++++++++++++++++--
 1 file changed, 26 insertions(+), 2 deletions(-)


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