[oct-scm] [oct-git]OCT: A portable Lisp implementation for quad-double precision floats branch master updated. dd5c2a4a6628648c5fe9a7eec98c82a9d284daa3

[Raymond Toy]

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- Log -----------------------------------------------------------------
commit dd5c2a4a6628648c5fe9a7eec98c82a9d284daa3
Author: Raymond Toy <rtoy at google.com>
Date:   Fri Mar 23 19:10:16 2012 -0700

    Need to take ABS before testing for 1/2.

diff --git a/qd-gamma.lisp b/qd-gamma.lisp
index b233fab..f0e2418 100644
--- a/qd-gamma.lisp
+++ b/qd-gamma.lisp
@@ -812,7 +812,7 @@
 		    ;; cot(%pi*z), carefully.  If z is an odd multiple
 		    ;; of 1/2, cot is 0.
 		    (if (and (realp z)
-			     (= 1/2 (- z (ftruncate z))))
+			     (= 1/2 (abs (- z (ftruncate z)))))
 			(float 0 z)
 			(/ (tan (* p z))))))
 	     (- (psi (- 1 z))

commit 41f1ca3edadee2d6e00ba7dc287ea66d92897ca6
Author: Raymond Toy <rtoy at google.com>
Date:   Fri Mar 23 19:05:24 2012 -0700

    Oops.  Need to take the realpart before call FLOAT-NAN-P.

diff --git a/rt-tests.lisp b/rt-tests.lisp
index d526af7..8732e28 100644
--- a/rt-tests.lisp
+++ b/rt-tests.lisp
@@ -54,7 +54,7 @@
 (defun check-accuracy (limit est true)
   (let ((bits (bit-accuracy est true)))
     (if (not (eq bits t))
-	(if (and (not (float-nan-p est))
+	(if (and (not (float-nan-p (realpart est)))
 		 (not (float-nan-p bits))
 		 (< bits limit))
 	    (list bits limit est true)))))

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

Summary of changes:
 qd-gamma.lisp |    2 +-
 rt-tests.lisp |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)


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OCT:  A portable Lisp implementation for quad-double precision floats