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63 Commits

Author SHA1 Message Date
Stefan Farfeleder
bef5493789 Add man pages for the cimag(), conj() and creal() functions. 2004-08-07 23:03:36 +00:00
David Schultz
ec79bc0da9 Fix two bugs in the signbit() macro, which was implemented last year: 
- It was added to libc instead of libm.  Hopefully no programs rely
  on this mistake.

- It didn't work properly on large long doubles because its argument
  was converted to type double, resulting in undefined behavior.
 2004-07-19 08:16:10 +00:00
David Schultz
9428e108c9 Add C99's nearbyint{,f}() functions as wrappers around rint(). 
These trivial implementations are about 25 times slower than
rint{,f}() on x86 due to the FP environment save/restore.
They should eventually be redone in terms of fegetround() and
bit fiddling.
 2004-07-06 04:46:08 +00:00
Ruslan Ermilov
30950a21e1 Eliminate double whitespace. 2004-07-03 22:30:10 +00:00
Ruslan Ermilov
1a0a934547 Mechanically kill hard sentence breaks. 2004-07-02 23:52:20 +00:00
Ruslan Ermilov
862b46f607 Markup, grammar, punctuation. 2004-07-01 18:20:57 +00:00
David Schultz
4f82cb46c4 Implement and document fdim{,f,l}, fmax{,f,l}, and fmin{,f,l}. 2004-06-30 07:04:01 +00:00
David Schultz
f7748f6e01 Uncomment some functions that we now support. 2004-06-20 10:39:09 +00:00
David Schultz
a9a0bf07f3 Cross-reference round(3) and trunc(3) as appropriate. 2004-06-20 09:27:17 +00:00
David Schultz
7ffaea8021 Implement trunc() and truncf(). 2004-06-20 09:25:43 +00:00
David Schultz
2f90a15e14 Add trivial implementations of scalbln() and scalblnf(). 
These routines are specified in C99 for the sake of
architectures where an int isn't big enough to represent
the full range of floating-point exponents.  However,
even the 128-bit long double format has an exponent smaller
than 15 bits, so for all practical purposes, scalbln() and
scalblnf() are aliases for scalbn() and scalbnf(), respectively.
 2004-06-20 09:25:27 +00:00
Stefan Farfeleder
32ef5abfe3 Document ilogb()'s return values in terms of the FP_ILOGB* macros. 2004-06-19 09:33:29 +00:00
David Schultz
2a6bf1fadb Memory's free, but all the world ain't a VAX anymore. Bring math.3 
kicking and screaming into the 1980's.  This change converts most of
the markup from man(7) to mdoc(7) format, and I believe it removes or
updates everything that was flat out wrong.  However, much work is
still needed to sanitize the markup, improve coverage, and reduce
overlap with other manpages.  Some of the sections would better belong
in a philosophy_of_w_kahan.3 manpage, but they are informative and
remain at least as reminders of topics to cover.

Reviewed by:	doc@, trhodes@
 2004-06-19 03:25:28 +00:00
David Schultz
9772caa388 The references to scalbn and scalbnf should be scalb and scalbf. 
(The former are actually useful, and ieee_test(3) only documents
functions that aren't.)  Add a sentence describing the domain of
scalb() and scalbf().
 2004-06-12 04:40:47 +00:00
David Schultz
d0f1363370 Add round(3) and roundf(3) and the associated documentation. 
PR:		59797
Submitted by:	"Steven G. Kargl" <kargl@troutmask.apl.washington.edu>
Reviewed by:	bde (earlier version, last year)
 2004-06-07 08:05:36 +00:00
David Schultz
07235cc8f7 Add documentation for: 
- fenv(3)
- feclearexcept(3), fegetexceptflag(3), feraiseexcept(3),
  fesetexceptflag(3), fetestexcept(3)
- fegetround(3), fesetround(3)
- fegetenv(3), feholdexcept(3), fesetenv(3), feupdateenv(3)

Reviewed by:	standards@
 2004-06-06 10:06:26 +00:00
Stefan Farfeleder
b60cb13f76 Add an implementation of copysignl(), a long double version of copysign(). 
Approved by:	das (mentor)
 2004-05-07 18:56:31 +00:00
Stefan Farfeleder
89c5bc6db4 The prototypes for cabs() and cabsf() are in <complex.h>. Fix their arguments' 
types and describe them briefly.

Reviewed by:	ru, bde
Approved by:	das (mentor)
 2004-05-06 13:11:18 +00:00
Dag-Erling Smørgrav
801517fd4e Document fabsl(3). 
Submitted by:	Stefan Farfeleder <stefan@fafoe.narf.at>
 2003-10-25 13:45:11 +00:00
Ruslan Ermilov
3892c30012 mdoc(7) police: Nits. 2003-03-02 21:04:21 +00:00
Warner Losh
457f6cd2d6 - gamma_r, lgamma_r, gammaf_r, and lgammaf_r were protected by _REENTRANT 
in math.h; the consensus here was that __BSD_VISIBLE was correct instead.

- gamma_r, lgamma_r, gammaf_r, and lgammaf_r had no documentation in the
  lgamma(3) manpage.

Reviewed by: standards@
Submitted by: Ben Mesander
 2003-02-26 13:12:03 +00:00
Jens Schweikhardt
57bd0fc6e8 english(4) police. 2002-12-27 12:15:40 +00:00
Bruce Evans
46d7c2979e Resurrect Lite1's gamma() as C99's tgamma(). Minimal changes. 2002-03-26 11:59:29 +00:00
Bruce Evans
675902aa73 Fixed some bugs in the description of plain gamma() (and gammaf()). 
Give a more detailed and correct history of when gamma() was actually
the gamma function.
 2002-03-26 10:18:20 +00:00
Ruslan Ermilov
f598d0519c Grammar nit. 2001-11-21 09:25:14 +00:00
Ruslan Ermilov
487d13c0e7 mdoc(7) police: fixed bugs from rev. 1.15. 2001-11-20 16:40:04 +00:00
David Malone
a9dbc63dc2 gamma(x) actually returns \log(|\Gamma(x)|), so correct the man 
page and add an historical note explaining this. This patch is
based on Stephen's.

We still need someone to implement tgamma.

PR:		28972, 31764
Submitted by:	Stephen Montgomery-Smith <stephen@math.missouri.edu>
 2001-11-05 10:10:33 +00:00
Dima Dorfman
211feb6175 Match parenthesis and don't give names to return values. 
PR:		31214
 2001-10-15 13:34:43 +00:00
Bruce Evans
aa842e6a12 Fixed missing quoting of >= (in ceil.3) and <= (in floor.3) by reverting to 
describing these operators in English.  This completes the fix in rev.1.3
(rev.1.2 got this wrong by describing wrong operators in English).

Fixed bitrot and improved English in the DESCRIPTION section.
 2001-10-13 13:57:32 +00:00
Bruce Evans
aa00e9d96e Fixed missing quoting of [-1, +1]. 
Submitted by:	phantom
 2001-10-13 12:29:25 +00:00
Bruce Evans
64890443c1 Use ".Lb libm" where it will have an effect (not just in the zombie man 
pages in libm).

Submitted by:	phantom
 2001-10-13 12:23:23 +00:00
Bruce Evans
12c3d47f0a Removed .Nm's for the nonexistent functions exp2() and exp2f(). 2001-10-03 06:25:55 +00:00
Ruslan Ermilov
32eef9aeb1 mdoc(7) police: Use the new .In macro for #include statements. 2001-10-01 16:09:29 +00:00
Ruslan Ermilov
94ba280c59 mdoc(7) police: join split punctuation to macro calls. 2001-08-10 17:35:21 +00:00
Yaroslav Tykhiy
91ce3c5b85 Tiny markup fix: `to' isn't a variable 2001-08-09 11:16:12 +00:00
Dima Dorfman
7ebcc426ef Remove whitespace at EOL. 2001-07-15 07:53:42 +00:00
Ruslan Ermilov
a307d59838 mdoc(7) police: removed HISTORY info from the .Os call. 2001-07-10 13:41:46 +00:00
Ruslan Ermilov
eb0838029f mdoc(7) police: normalize .Nd. 2001-04-18 15:54:10 +00:00
Ruslan Ermilov
588a200ce1 .St -ansiC -> .St -isoC 2001-02-26 13:23:47 +00:00
Ruslan Ermilov
46eea498da mdoc(7) police: Change -filled displays (which just happen 
to be the same as -ragged in the current implementation) to
-ragged.  With mdocNG, -filled displays produce the correct
output, formatted and justified to both margins.
 2001-02-07 13:45:30 +00:00
Ruslan Ermilov
d0353b836e mdoc(7) police: split punctuation characters + misc fixes. 2001-02-01 16:38:02 +00:00
Ruslan Ermilov
4263595653 Prepare for mdoc(7)NG. 2000-12-29 14:08:20 +00:00
Ruslan Ermilov
a2fd3702a3 mdoc(7) police: use canonical form of .Dd macro. 2000-12-11 15:15:20 +00:00
Ruslan Ermilov
c23155a43a mdoc(7) police: Er macro usage cleanup. 2000-11-22 16:02:00 +00:00
Ruslan Ermilov
563f6bde6e mdoc(7) police: Nm -> Fn where appropriate. 2000-11-20 14:11:46 +00:00
Sheldon Hearn
4e86fcacf6 Remove more single-space hard sentence breaks. 2000-03-02 14:54:02 +00:00
Sheldon Hearn
c6ff3a1bf7 Remove single-space hard sentence breaks. These degrade the quality 
of the typeset output, tend to make diffs harder to read and provide
bad examples for new-comers to mdoc.
 2000-03-02 09:14:21 +00:00
Alexey Zelkin
55b80e58ba style fix 
PR:		docs/14737
Submitted by:	Norihiro Kumagai <kuma@nk.rim.or.jp>
 1999-11-09 00:18:22 +00:00
Peter Wemm
7f3dea244c $Id$ -> $FreeBSD$ 1999-08-28 00:22:10 +00:00
Jonathan Lemon
4f36d4ac99 Document the fpgetprec/fpsetprec functions in their man page. 
Add cross-references to the elusive fpsetmask() function to various other
man pages.
Reviewed by:	bde
 1998-02-04 22:30:20 +00:00