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Paul Eggert 202bd7bff2 Fix logb on zero, infinite, NaN args
Change logb to return -infinity, +infinity, and NaN respectively.
Formerly logb returned an extreme fixnum to represent
infinity, but this is no longer the right thing to do now that
we have bignums and there is no extreme integer.
* doc/lispref/numbers.texi (Float Basics), etc/NEWS: Document.
* src/floatfns.c (Flogb): Implement this.
2019-01-06 16:25:40 -08:00
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abbrevs.texi Merge from origin/emacs-26 2018-12-31 17:57:29 -08:00
anti.texi Update copyright year to 2019 2019-01-01 01:01:13 +00:00
back.texi Update copyright year to 2019 2019-01-01 01:01:13 +00:00
backups.texi Update copyright year to 2019 2019-01-01 01:01:13 +00:00
book-spine.texi Fix single-quoting style in PDF manuals 2015-05-01 12:06:38 -07:00
buffers.texi Merge from origin/emacs-26 2018-12-31 17:57:29 -08:00
ChangeLog.1 Update copyright year to 2019 2019-01-01 01:01:13 +00:00
commands.texi Update copyright year to 2019 2019-01-01 01:01:13 +00:00
compile.texi Update copyright year to 2019 2019-01-01 01:01:13 +00:00
control.texi Merge from origin/emacs-26 2018-12-31 17:57:29 -08:00
customize.texi Update copyright year to 2019 2019-01-01 01:01:13 +00:00
debugging.texi Merge from origin/emacs-26 2018-12-31 17:57:29 -08:00
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gpl.texi Merge from Gnulib 2017-10-01 18:31:10 -07:00
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help.texi Update copyright year to 2019 2019-01-01 01:01:13 +00:00
hooks.texi Merge from origin/emacs-26 2018-12-31 17:57:29 -08:00
index.texi Fix minor whitespace issues after "." in manual. 2012-12-05 14:27:56 -08:00
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intro.texi Merge from origin/emacs-26 2018-12-31 17:57:29 -08:00
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lay-flat.texi Update copyright year to 2019 2019-01-01 01:01:13 +00:00
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modes.texi Merge from origin/emacs-26 2018-12-31 17:57:29 -08:00
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numbers.texi Fix logb on zero, infinite, NaN args 2019-01-06 16:25:40 -08:00
objects.texi Merge from origin/emacs-26 2018-12-31 17:57:29 -08:00
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README Update copyright year to 2019 2019-01-01 01:01:13 +00:00
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spellfile Prefer typical American spelling for "acknowledgment". 2012-07-24 22:48:19 -07:00
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strings.texi Merge from origin/emacs-26 2018-12-31 17:57:29 -08:00
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tips.texi Fix copyright years by hand 2019-01-01 01:02:40 +00:00
two-volume-cross-refs.txt Update copyright year to 2019 2019-01-01 01:01:13 +00:00
two-volume.make Update copyright year to 2019 2019-01-01 01:01:13 +00:00
variables.texi Update copyright year to 2019 2019-01-01 01:01:13 +00:00
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