From: bil@ccrma.Stanford.EDU
To: 30426@debbugs.gnu.org
Subject: bug#30426: division inconsistency?
Date: Sun, 11 Feb 2018 14:56:54 -0800 [thread overview]
Message-ID: <afc4d9faa1402ebcac0c489efffe52e2@ccrma.stanford.edu> (raw)
A possible inconsistency:
scheme@(guile-user)> (version)
$1 = "2.0.13"
scheme@(guile-user)> (/ 1 (* 0 +nan.0))
$2 = +nan.0
scheme@(guile-user)> (/ 1 0 +nan.0)
<unnamed port>:3:0: In procedure #<procedure 5557c36be9c0 at <current
input>:3:0 ()>:
<unnamed port>:3:0: Throw to key `numerical-overflow' with args `("/"
"Numerical overflow" #f #f)
scheme@(guile-user)> (/ 1 +nan.0 0)
<unnamed port>:5:0: In procedure #<procedure 55ff47f4ad00 at <current
input>:5:0 ()>:
<unnamed port>:5:0: Throw to key `numerical-overflow' with args `("/"
"Numerical overflow" #f #f)
scheme@(guile-user)> (* +nan.0 0)
$1 = +nan.0
scheme@(guile-user)> (/ 1 +nan.0)
$2 = +nan.0
similarly with +inf.0:
scheme@(guile-user)> (/ 1 (* +inf.0 0))
$3 = +nan.0
scheme@(guile-user)> (/ 1 +inf.0 0)
<unnamed port>:6:0: In procedure #<procedure 5557c36f7740 at <current
input>:6:0 ()>:
<unnamed port>:6:0: Throw to key `numerical-overflow' with args `("/"
"Numerical overflow" #f #f)
next reply other threads:[~2018-02-11 22:56 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-11 22:56 bil [this message]
2018-02-12 21:01 ` bug#30426: division inconsistency? Mark H Weaver
2018-02-12 21:15 ` Mark H Weaver
2018-02-12 21:59 ` bil
2018-02-14 20:54 ` Mark H Weaver
2018-02-14 22:10 ` bil
2018-02-15 7:35 ` Mark H Weaver
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