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458 Commits

Author SHA1 Message Date
christos
e5c18e58f2 Add log2 and log2f from FreeBSD PR 83845 2005-07-21 12:55:58 +00:00
matt
cedcd39661 Don't cast x to double, it already is one. 2005-05-03 04:18:32 +00:00
jmmv
8740cbe236 Add a conditional for proper m68k softfloat operation. It looks like I 
forgot to commit this file back when this functionality was added.
Noted by Bruce O'Neel (the original author) in port-mac68k@.
 2004-11-13 20:29:47 +00:00
drochner
b774d2ae7d add licenses 2004-10-13 15:18:31 +00:00
drochner
458288a626 pull in an accuracy fix for corner cases from FDLIBM 5.3 
(affects large arguments which are close to N*Pi+Pi/2):
    2. k_tan.c error was > 1 ulp target for FDLIBM
        5.2: Worst error at least 1.45 ulp at
        tan(1.7765241907548024E+269) = 1.7733884462610958E+16
        5.3: Worst error 0.96 ulp
 2004-07-22 18:24:09 +00:00
drochner
c351eda960 amd64: stack sanity, leave the return PC alone 2004-07-16 18:40:24 +00:00
junyoung
ffb3101064 round(3) and roundf(3) appeared in 2.0. 
Bump date.
 2004-07-15 12:12:39 +00:00
wiz
f46be40b71 Move RCS Id to top of file; comment out reference to trunc(3), 
which we do not have.
 2004-07-10 14:11:18 +00:00
junyoung
bc836a3102 lib/24252: Add C99 functions round(3) and roundf(3). 
libm minor unchanged; ride a recent bump.

From FreeBSD.
 2004-07-10 13:49:09 +00:00
drochner
3e7f9e1481 allocate stack space for temporary storage 2004-07-02 10:17:23 +00:00
drochner
07be12b505 also provide an alpha assembler implemtation of lrint() 2004-07-01 19:08:21 +00:00
drochner
5d151d763f enable lrint.S for amd64 (which doesn't build libm387), 
and tighten the generic->machdep source distribution a bit to avoid
unwanted substitutions
 2004-07-01 17:33:16 +00:00
drochner
af7cf00a5a provide an assembler implementation of lrint() for i386 and amd64 2004-07-01 17:30:48 +00:00
drochner
9768ef916d bump libm minor version (functions added) 2004-07-01 16:14:18 +00:00
drochner
147d852dbc being here, add the (l)lround(f) functions to libm 
(almost the same like lrint)
 2004-07-01 16:09:21 +00:00
drochner
54e35f616a aboid to shift an int by more than 31 bits - behaviour is implementation 
dependant in this case
 2004-07-01 16:06:30 +00:00
drochner
d45473e8a3 fic the <close-to-1>^<huge number> fix as in e_pow.c 2004-06-30 18:45:25 +00:00
drochner
a6d8e4cf79 -fix a long-standing bug which affects the <close-to-1>^<huge number> case 
(fixed in fdlibm-5.3)
-being here, sync with -5.3 as far as possible (There is another bugfix -
 sign in overflow/underflow cases -; this doesn't change anything for us
 because the wrapper (w_pow.c) fixes this up. Keep things in sync anyway
 to ease further maintainance.)
 2004-06-30 18:43:15 +00:00
drochner
d76992e490 Implement (l)lrint(f). 
(Could get some optimization for LP64; this would need a change to
the float access macros in math_private.h.)
 2004-06-30 15:08:30 +00:00
drochner
dddd0e25a3 ANSIfy 2004-06-25 15:57:38 +00:00
mhitch
a6d522d13c Add ceilf(), floorf(), and sqrtf() (as wrappers using ceil(), floor(), and 
sqrt() repectively).  The fixes PR#22796.
 2004-05-13 20:35:40 +00:00
wiz
848e689872 Typo fix, from skrueger at europe com. 2004-03-22 13:41:09 +00:00
jschauma
355765bffd Add a list of pre-defined values (such as pi, e etc.). 
Ok by wiz@.
 2003-12-03 23:31:21 +00:00
wiz
fff16e7f65 Uppercase name; from Jared Yanovich via jmc@openbsd. 2003-11-02 11:17:16 +00:00
lukem
f85d2d1c14 Use ${HOST_SH} instead of `sh'. 
If necessary, pull in <bsd.sys.mk> to get the definition of HOST_SH;
Makefiles that pull in one of (most of) <bsd.*.mk> will get this anyway.
 2003-10-26 07:25:33 +00:00
wennmach
be03f9bd59 Avoid the PIC dance. 2003-09-16 18:17:11 +00:00
fvdl
8eb02ce5c0 Make log1p and log1pf work in shared libraries again. 2003-09-14 21:26:14 +00:00
wennmach
cf92bf760d Reimplement s_log1p.S and s_log1pf.S to use the fyl2xp1 instruction 
where necessary.

The log1p() function is provided to compute an accurate value of
log(1 + x), even for tiny values of x. The i387 FPU provides the
fyl2xp1 instruction for this purpose.

However, since the range of the fyl2xp1 function is limited to
-(1 - (sqrt(2) / 2)) <= x <= sqrt(2) - 1
          (-0.292893 <= x <= 0.414214)
we need to check if the argument is in the valid range.

In order to reduce the cost for testing the range, we only use
fyl2xp1 if the argument is in the range
               -0.25 <= x <= 0.25
which can be checked with just one conditional branch.

Fixes PR lib/22599 by Ray Brownrigg.
 2003-09-10 16:45:43 +00:00
agc
eb7c1594f1 Move UCB-licensed code from 4-clause to 3-clause licence. 
Patches provided by Joel Baker in PR 22280, verified by myself.
 2003-08-07 16:42:00 +00:00
salo
99410184e7 netbsd.org->NetBSD.org 2003-07-26 19:24:24 +00:00
wiz
fc7bf2b10c Nit fixes from jmc@openbsd. 2003-05-20 10:15:16 +00:00
wiz
f0679cbc4d Restore \fR that got lost in last. 2003-05-01 09:36:49 +00:00
gmcgarry
f72c56c419 Remove reference to non-existent infnan(3) function. 2003-05-01 08:01:52 +00:00
wiz
472351e13d Use 
.In header.h
instead of
.Fd #include \*[Lt]header.h\*[Gt]
Much easier to read and write, and supported by groff for ages.
Okayed by ross.
 2003-04-16 13:34:34 +00:00
perry
ca9aafe282 bessel->Bessel, from Igor Sobrado in PR misc/19814 2003-03-31 18:47:42 +00:00
perry
896b16517d bessel->Bessel from Igor Sobrado PR misc/19814 2003-03-31 18:46:38 +00:00
matt
88dc468feb Fix some assembly botches. 2003-02-21 06:40:47 +00:00
wiz
617b132aac Spell output with two ts. 2003-01-04 23:43:02 +00:00
scw
69cddf09e6 Avoid a strict-alias warning. 2002-12-05 16:03:42 +00:00
wiz
71dd1ccd73 New sentence, new line. From Robert Elz. 2002-10-01 19:21:30 +00:00
lukem
ec5dbc56b8 Explicitly move setting of NOxxx and USE_SHLIBDIR to the top of the 
Makefile (before including <bsd.own.mk>)
 2002-08-19 14:55:14 +00:00
lukem
ebb6fc9eb8 Use ${NETBSDSRCDIR}/some/path instead of ${.CURDIR}/../../some/path (etc). 
(Reduces make output by ~ 20%)
 2002-08-19 09:41:27 +00:00
matt
778e246527 Add sinf/cosf. 2002-07-14 19:55:24 +00:00
matt
5ac19a376b Add finitef 2002-06-23 21:55:12 +00:00
matt
7a0238324a Add cosf/sinf. 2002-06-23 21:54:37 +00:00
wiz
a81e53dde5 Remove unnecessary spaces. 2002-06-15 09:39:52 +00:00
matt
0202d560cf Compile libm on VAX at WARNS=2; leave other architectures at WARNS=1 2002-06-15 00:13:07 +00:00
matt
f1009ecdff Ansify libm noieeesrc (for VAX). Also make const data really const. 
libm for VAX can compiles with WARNS=2
 2002-06-15 00:10:17 +00:00
wiz
aa30599e06 __STDC__ is always defined on NetBSD. 2002-05-26 22:01:47 +00:00
thorpej
7c1988dc5f #if 0 one; it's not used. 2002-04-09 01:55:48 +00:00
thorpej
b07be1ff9d #if 0 invsqrtpi; it's not used. 2002-04-09 01:55:13 +00:00
fvdl
059c5712b9 Fix mistake in previous. 2002-03-30 10:03:44 +00:00
fvdl
edcf4b63ed Fix stack usage for temporary storage. From Stephen Ma in PR xsrc/15404. 2002-03-26 15:17:37 +00:00
christos
47c5991d7a PR/15748: Ray Brownrigg: exp(log(0)) is broken. 
Use FreeBSD's version. Handles inf/nan and rounding modes.
 2002-02-27 16:32:46 +00:00
matt
0ce5ca145f Change to use a register prefix. 2002-02-24 01:06:18 +00:00
matt
d9dae701a5 Don't bsbb to an external symbol. the dynamic linker won't like it. 2002-02-21 07:49:55 +00:00
wiz
306d24c5d4 Sort SEE ALSO. 2002-02-20 11:53:02 +00:00
wiz
9b53792eb8 Drop superfluous .Pp, punctuation nit. 2002-02-20 11:52:39 +00:00
wiz
dcd750ae30 Sort sections. 2002-02-20 11:52:13 +00:00
wiz
22a40c69b3 Use standard headers, sort sections. 2002-02-20 11:51:43 +00:00
wiz
363989ac63 Punctuation nits, use standard headers, sort sections, remove Tahoe references. 2002-02-20 11:51:15 +00:00
ross
dc5571b22e Generate <>& symbolically. I'm avoiding .../dist/... directories for now. 2002-02-08 01:21:55 +00:00
ross
9856438e91 generate & symbolically 2002-02-07 09:24:04 +00:00
ross
814f296b77 Generate <>& symbolically. 2002-02-07 07:00:09 +00:00
ross
de50fe2e64 Drink ALL the Kool-Aid. 
(Move -mieee from lib/ to bsd.*.mk; new var MKIEEEFP defaults to yes.)
 2002-01-27 23:33:51 +00:00
thorpej
4586df0992 On Alpha, build libc and libm with -mieee ... A metric crapload 
of 3rd party software expects this.

XXX TODO: consider libm-fast for alpha that is not -mieee.  Possibly
determine -mieee or not at run-time based on a bit in the executable
headers.
 2002-01-27 21:59:18 +00:00
wiz
bed5b7e260 Whitespace nit. 2002-01-15 02:53:28 +00:00
lukem
efcc9a4c9d * Add user-controlled mk.conf variables 
- SHLIBDIR	Location to install shared libraries if ${USE_SHLIBDIR}
			is "yes".  Defaults to "/usr/lib".

	- USE_SHLIBDIR	If "yes", install shared libraries in ${SHLIBDIR}
			instead of ${LIBDIR}.  Defaults to "no".
			Sets ${_LIBSODIR} to the appropriate value.
			This may be set by individual Makefiles as well.

	- SHLINKDIR	Location of shared linker.  Defaults to "/usr/libexec".
			If != "/usr/libexec", change the dynamic-linker
			encoded in shared programs

* Set USE_SHLIBDIR for libraries used by /bin and /sbin:
	libc libcrypt libcrypto libedit libipsec libkvm libm libmi387
	libtermcap libutil libz

* If ${_LIBSODIR} != ${LIBDIR}, add symlinks from ${LIBDIR}/${LIB}.so*
  to ${_LIBSODIR}/${LIB}.so* for compatibility.

* Always install /sbin/init statically (for now)


The net effect of these changes depends on how the variables are set:

  1.)	If nothing is set or changed, there is no change from the
	current behaviour:
		- Static /bin, /sbin, and bits of /usr/*
		- Dynamic rest
		- Shared linker is /usr/libexec/ld*so

  2.)	If the following make variables are set:
		LDSTATIC=
		SHLINKDIR=/lib
		SHLIBDIR=/lib
	Then the behaviour becomes:
		- Dynamic tools
		- .so libraries used by /bin and /sbin are installed to /lib,
		  with symlinks from /usr/lib/lib*so to -> /lib/lib*so
		  where appropriate
		- Shared linker is /lib/ld*so

  3.)	As per 2.), but add the following variable:
		USE_SHLIBDIR=yes
	This forces all .so's to be instaleld in /lib (with compat
	symlinks), not just those tagged by their Makefiles to be.
	Again, compat symlinks are installed
 2001-12-28 01:32:37 +00:00
tv
001067bbd1 Readability cleanups; MKfoo=no -> NOfoo. 2001-12-12 00:51:00 +00:00
wiz
b4371d47f5 Replace some misuses of "then" with "than". 2001-12-04 17:56:30 +00:00
gmcgarry
1077b95a4c - sort sections 
- introduce commented-out FILES section until page is mdoc'ified.
 2001-11-10 06:29:57 +00:00
lukem
c1b95c0073 explicitly set to WARNS?=1 2001-11-05 15:22:23 +00:00
fvdl
d191029b13 2 more bitnumber mistakes fixed while removing sahf. 2001-06-25 16:47:05 +00:00
fvdl
c5b64cb062 Oops, when I replaced sahf with a btw, I made it test the wrong bit 
(2 vs. 10).
 2001-06-25 16:44:34 +00:00
fvdl
120d96874f %rbp -> %rsp in 2 cases. 2001-06-19 17:49:36 +00:00
fvdl
8ecba6c681 Modify the i387 code so that it can be shared between the i386 port 
and the x86_64 port. XXX some files should be distinct.
 2001-06-19 00:26:29 +00:00
fvdl
d27b141b4e Use arch/i387 for x86_64. 2001-06-19 00:25:36 +00:00
aymeric
839708d0cf revert previous (obviously wrong) change 2001-05-26 16:49:58 +00:00
aymeric
4d029c3f35 Make this compile when _USE_WRITE is defined 2001-05-22 08:31:27 +00:00
wiz
7d69dd4748 Fix date and (missing) punctuation. 2001-04-11 18:20:37 +00:00
bjh21
fe6fa58436 Add support for ARM VFP-format doubles, conditional on __VFP_FP__. 2001-02-21 18:09:25 +00:00
bjh21
b2ffea9b75 __arm26__ || __arm32__ -> __arm__ 
Not least because the unified NetBSD/arm compiler probably won't predefine
__arm26__ or __arm32__.
 2001-02-09 18:38:32 +00:00
christos
fe98f4b896 remove redundant declarations; use __MATH_PRIVATE__ to override math.h 
declarations.
 2001-01-06 00:15:00 +00:00
kleink
26c512aade Make these idempotent as far as the FPU register stack is concerned. 2000-09-26 07:28:23 +00:00
matt
94827a09a3 Well, duh! Use indexed addressing since that's why it's there. That way 
the code is PIC.  (mmm.  linker warning's about non-PIC code).
 2000-07-14 22:26:15 +00:00
matt
584a2f53ee Clean up & prepare for ELF. Don't define isnan since it's in libc. Add a 
powf (really a wrapper for pow).
 2000-07-14 04:50:58 +00:00
is
7c1da7b0c9 Regenerate, after changing internal label used for linkage to the wrapper 
scripts.
 2000-05-16 19:07:35 +00:00
is
9ba8ffc293 Change libm-68060 internal, but file external labels (used for linkage between 
wrapper functions and the Motorola code) to guarantee consistent protection
of the user namespace.
 2000-05-16 19:05:37 +00:00
is
287de693da Regenerated files after this change: 
Move each wrapper function to its own source file, such that redefining one
function doesn't give link errors when another one is pulled in from the
library.
Problem discovered by Klaus Klein.
 2000-05-12 20:11:11 +00:00
is
183dfce153 Move each wrapper function to its own source file, such that redefining one 
function doesn't give link errors when another one is pulled in from the
library.
Problem discovered by Klaus Klein.
 2000-05-12 20:08:04 +00:00
bjh21
6c97e2bd78 Initial commit of arm26 port 2000-05-09 21:55:44 +00:00
is
97df1401a1 Move original Motorola files to the "dist" subdirectory, in response 
to PR 9626 by Kris Shannon.
 2000-04-14 20:24:29 +00:00
kleink
0c766839fc G/c label orphaned since rev. 1.6. 2000-01-31 18:28:49 +00:00
christos
25b059b813 If we are not including i387 support in libm, build a separate libi387. 1999-12-13 09:40:27 +00:00
christos
e133a9e685 Makefile and shared library for libm387. 1999-12-13 09:36:29 +00:00
enami
82d7115cf2 Don't pass so many args to .Nd macro. It just overflows. 1999-11-19 01:12:39 +00:00
thorpej
bebf6897b4 Add register prefixes. 1999-11-10 16:45:33 +00:00
thorpej
627a762f23 Regen; add register prefixes. 1999-11-10 16:34:56 +00:00
thorpej
c958703527 Add register prefixes. 1999-11-10 16:32:45 +00:00
simonb
72ccb213b7 Remove SCCS revision line from the middle of the copyright - the version 
info is still in the usual place after the "THIS SOFTWARE IS..." blurb.
 1999-09-10 06:28:10 +00:00
is
7afc17a12a Use arch/m68k copies of the common functions even for mc68881 hardware. 1999-08-22 18:28:37 +00:00
is
2dc451b448 *gamma* need k_sin*/k_cos* 1999-08-22 08:25:42 +00:00
is
3f2d2fc0e5 Copied from mc68881/s_rint.S,v 1999-08-21 21:26:40 +00:00
is
455f7bb90c Copied from mc68881/s_floor.S,v 1999-08-21 21:26:28 +00:00
is
c78325ae61 Copied from mc68881/s_ceil.S,v 1999-08-21 21:26:16 +00:00
is
c81875b78b Copied from mc68881/s_finite.S,v 1999-08-21 21:25:40 +00:00
is
11d34cdce5 Copied from mc68881/s_copysign.S,v 1999-08-21 21:24:46 +00:00
is
9e6d62796f wrap lines in Makefile.list 1999-08-21 21:04:17 +00:00
is
a33bf8cb4b Clarify instructions 1999-08-21 20:50:21 +00:00
is
9f72d71dcd Same reason as for ldexp.S: most applications don't scale 0.0. 1999-08-21 17:29:37 +00:00
is
beb22e60b3 Pull in Motorola 68060 floating point library support package based 
libm code, .ifdef M68060.
 1999-08-19 21:53:03 +00:00
is
8c65b3f672 Motorola floating point library support package based architecture dependent 
code for libm - generated files. Currently, easy functions only.
 1999-08-19 21:43:52 +00:00
is
00c9560d0c Motorola 68060 floating point library support package based architecture 
dependent code for libm. Currently, easy functions only.
 1999-08-19 21:41:35 +00:00
kleink
b3f30828b1 Document isinff(3) and isnanf(3), cloned from the corresponding double- 
precision manual page.  It is kept separately since the latter are part of
libc and thus impose different linkage instructions.
 1999-08-16 23:10:20 +00:00
kleink
9ef6f05359 G/C this copy of <math.h> in favor of the version found in basesrc/include, 
which is actually the one installed.  The latter (which is derived from this
file) has evolved since, and the argument that it is exlusively associated
with libm (and thus should be installed from this directory) no longer holds
since two interfaces (isinf() and isnan()) are part of libc these days.
 1999-08-16 21:13:16 +00:00
kleink
72c8365c20 Document reentrant log gamma interfaces. 1999-08-16 12:35:18 +00:00
kleink
f8173630a0 Add single-precision versions of interfaces to their manual pages' NAME section 
and install links as appropriate.
 1999-08-15 22:23:53 +00:00
kleink
58bbec2442 Make these SVR4 ABI ready. 1999-08-15 18:45:18 +00:00
simonb
42724dd4d2 More trailing white space. 1999-07-02 15:37:33 +00:00
is
456bf68494 Quick and dirty hook to compile a non-6888[12] libm for 68040 and 68060. 
This is switched to by the M68040 or M68060 defines.
XXX Eventually, a M060SP based libm should be built for M68060.
 1999-07-01 20:46:35 +00:00
garbled
38c96853cf Last of the .Os cleanups. .Os is defined in the tmac.doc-common file, 
so we shouldn't override it with versions in the manpages.  Wheee!
 1999-03-22 19:44:33 +00:00
abs
edc1a24a56 Add a note to update src/distrib/sets/lists/base/shl.*, and add a missing 
RCS Id.
 1999-02-25 08:02:19 +00:00
he
04d7a85c7b NOLINT -> MKLINT=no. 1999-02-15 09:33:41 +00:00
hubertf
36f9d7790a RCS ID police 1999-02-15 04:03:03 +00:00
christos
956c293b6d Mention cabsf, and explain struct complex usage. 1999-01-31 19:38:00 +00:00
kristerw
14e0e5307d The scalb* functions left data on the floting point register stack. 
Remove it before leaving the function.

The solution is taken from OpenBSD.
 1999-01-02 05:15:40 +00:00
kristerw
0a31df6329 Fix a typo. 1999-01-02 01:11:55 +00:00
mycroft
0298a4dd05 Use __arm32__, not arm32, for egcs. 1998-11-24 09:25:30 +00:00
matt
5bf0199231 Fix PIC code and fix problem with obj dirs. 1998-11-11 15:26:14 +00:00
ragge
4380475d73 Fixe some forgotten vax -> __vax__ changes. 1998-11-08 19:29:34 +00:00
matt
93bbcb05b4 Add .type _sym,@foo for shared libraries 1998-10-31 02:06:01 +00:00
matt
c34b7ca182 vax --> __vax__ (also egcsify the code; missing ints, braces, etc.) 1998-10-20 02:26:09 +00:00
matt
99d642287b Actually build __setjmp.S/__sigsetjmp.S for vax. PICifiy the setjmp code. 
Fix libm Makefile to handle obj directories.
 1998-10-10 00:08:50 +00:00
lukem
ce83c69e00 first pass at fixing up capitalization of function names and 
arguments; ensure that each is correct with respect to the
implementation, rather than being correct as per english.
 1998-08-29 08:32:32 +00:00
ragge
9f749c2036 The Mariah chip lacks the POLYD instruction, so some assembly coded 
calculations must be done in C instead. Fast fix until the POLY{D,F,G,H}
insn's are written.
 1998-08-22 12:49:08 +00:00
thorpej
08c09aef0c Add some braces to make egcs happy. (This code could kill me.) 1998-08-19 00:45:36 +00:00
perry
3e3611d479 on i386, use FPU instructions in libm if I387_LIBM is set, from dan@geek.com.au 1998-08-09 23:51:33 +00:00
fair
b54911c568 fix mdoc reference 1998-04-29 01:42:03 +00:00
cgd
0dfe3ba2cc move NOLINT definition 1998-02-19 06:58:07 +00:00
cgd
0924c4443d Make sure the reason that NOLINT is set is documented. Additionally 
in places where it should be set (or has to be set right now), do so.
 1998-02-19 02:17:05 +00:00
perry
312aca536f add LIBRARY section to man page 1998-02-05 18:45:17 +00:00
perry
4e067afcb1 RCS Id Police. 1998-01-09 03:15:09 +00:00
perry
93db5caa95 RCSID Police. 1998-01-05 07:41:06 +00:00
mrg
6be07a674c add missing .Nm calls and MLINKS. from spz@serpens.swb.de 1997-11-12 00:47:32 +00:00
veego
c4a0e6d765 Fix a brain error from luke while he WARNSifyed libm. 
Erik Bertelsen found the missplaced brakes.
 1997-11-11 22:34:01 +00:00
mycroft
219751628c Nuke trailing comma in SEE ALSO section. 1997-11-01 06:42:53 +00:00
lukem
69c06ad713 use CPPFLAGS instead of CFLAGS 1997-10-23 02:41:28 +00:00
ragge
04195f0e89 Fix a bunch of warnings introduced by more flags to cc. 1997-10-20 14:11:35 +00:00
mikel
c7534c9f97 kill tab on line by itself, keep contents within 80 columns 1997-10-18 05:34:11 +00:00
is
7c9cfab805 Same reason as for ldexp.S: most applications don't scale 0.0. 1997-10-10 10:40:40 +00:00
lukem
118c71a6fa rcsid facism, WARNSify 1997-10-09 11:34:16 +00:00
lukem
41f0dee6a6 rcsid facism, WARNSify 1997-10-09 11:33:05 +00:00
lukem
61187201c6 rcsid facism, WARNSify 1997-10-09 11:31:07 +00:00
lukem
dd7adfbf0c rcsid facism, WARNSify 1997-10-09 11:27:48 +00:00
lukem
bee8515057 rcsid facism, WARNSify 1997-10-09 11:26:55 +00:00
mikel
5982e278af comment out reference to missing FORTRAN math lib; PR 4153 1997-09-28 06:24:45 +00:00
jtc
990a11b9c6 Fix files using old TNF copyright notice 1997-07-30 23:53:32 +00:00
jtc
9088826695 Removed confusing text which implies that gamma() computes the gamma 
instead of log gamma function.  This was true with 4.4BSD's libm, but
they are equivalent on all other systems (XPG4.2 requires this).
 1997-07-25 20:41:18 +00:00
kleink
899eb5a41b Add missing standards conformance statements. 1997-07-14 23:23:47 +00:00
mikel
1b973c5082 add parens for gcc -Wall 1997-06-20 07:42:01 +00:00
mikel
ee7c998913 add isnan(3) and isinf(3) to table, replacing obsolescent infnan(3); 
from Jon Buller in PR lib/3488.
also added some more functions to table and corrected xrefs.
 1997-04-18 07:41:16 +00:00
christos
af726e9c88 PR/3405: Krister Walfridsson: Various typos; since we compile with POSIX 
libm, we should not xref matherr(3), and describe the errno settings.
 1997-03-29 23:10:55 +00:00
cgd
f4543b19b0 force NOLINT on the Alpha, at least until we fix FP underflow/denorm handling 1996-12-19 08:03:40 +00:00
christos
b47990743d <machine/endian.h> -> <sys/types.h> 1996-10-13 00:05:33 +00:00
christos
bba370bbe9 remove inclusion of <machine/endian.h> 1996-10-13 00:04:56 +00:00
ragge
1ef19c7c74 Non-IEEE assembler files wasn't handled correctly. Trouble pointed out by 
Robin Birch, fix by Mats O Jansson/Christos Zoulas.
 1996-10-12 18:32:38 +00:00
thorpej
caae5cd93d Use <machine/asm.h> 1996-08-13 17:00:28 +00:00
explorer
a9347d2469 Fix description of ceil(3). Closes pr lib/2690 1996-08-12 22:39:34 +00:00
thorpej
688ff1ddf9 Correct think-o; this is an assembler source file (and the Makefile 
expected as such).
 1996-07-08 03:27:25 +00:00
jtc
ca7561ba59 Fix typo 1996-07-06 00:15:45 +00:00
explorer
7e4136b303 Add a continuation slash in the commented-out i387 section 1996-07-05 22:26:51 +00:00
jtc
9fc92b384e Add new i387 math functions to ARCH_SRCS 1996-07-03 18:02:43 +00:00
jtc
a5e2dfa95f use one less fp stack slot 1996-07-03 17:31:28 +00:00
jtc
0ab3a0b137 It's necessary to use 64 bit precision to avoid errors in the least 
significant bit(s) (for some operands).
 1996-07-03 17:27:34 +00:00
jtc
88420f2e4d this simple adaptation exp() does not work 1996-07-03 17:20:16 +00:00
jtc
5f9accdf53 Assembly versions of expf(), logf(),log10f(), scalbf(), expm1() and expm1f(). 1996-07-03 16:50:20 +00:00
jtc
991d9c139a we don't need to branch 1996-06-26 14:44:05 +00:00
jtc
6f5348dbbd Enable mc68881 version of fmod 1996-06-26 14:39:49 +00:00
jtc
3a2de776bf add m68881 specific fmod() 1996-06-26 14:36:14 +00:00
jtc
6655b8bb1f enable alpha-specific libm files 1996-06-26 07:38:42 +00:00
jtc
c13e010e3c Alpha versions of copysign() and copysignf() 1996-06-26 07:29:59 +00:00
jtc
5743dc5d7a Fix from Bruce Evans. Commited to FreeBSD earlier this month, but was 
never forwarded to me :-(.

> Clean up the FP stack before returning.  The i387 exp() leaked an FP
> register on its first call.  Subsequent calls reused the register so
> the leak didn't accumulate.
 1996-06-25 02:07:09 +00:00
jtc
84fc678011 Use setne instead of setnel, new versions of gas balk at the bad mnemonic. 
Wrong mask was used in s_finitef.S.
 1996-06-04 18:00:34 +00:00
mark
ce67b636ad Get the word order of doubles correct for the arm32 port. 
Note: The arm32 port is little endian except for the FP word order.
 1996-05-07 20:26:07 +00:00
phil
d9f99fc936 Removing a "volatile" put there for the ns32k which is no longer needed. 1996-04-08 15:43:41 +00:00
jtc
3bf9d01bf7 infnan(3) no longer exists. 1996-03-30 01:33:59 +00:00
jtc
ee341062c6 Changed 3m to 3. There is no 3m manpage section. 1996-03-30 01:28:55 +00:00
jtc
977400602b Changed w_gamma.c, w_gamma_r.c, w_gammaf.c, w_gammaf_r.c to call 
__ieee754_lgamma_r or __ieee754_lgammaf_r.
Removed e_gamma.c, e_gamma_r.c, e_gammaf.c, e_gammaf_r.c, e_lgamma.c,
e_lgamma_f.c.
 1995-11-20 22:06:19 +00:00
pk
26646c7969 Setup stack-frame correctly (same as s_ilogb.S). 1995-10-22 20:32:43 +00:00
jtc
e2143cf975 Fix from Jochen Pohl, i387 version of ilogb didn't set up the stack 
frame correctly (PR #1590).
 1995-10-12 15:53:09 +00:00
ragge
a6a78ddeb9 Got Makefile to understand to use non-IEEE files on vax systems. 1995-10-10 23:43:31 +00:00
ragge
d76e5e0af8 Machine specific math library files for vax. 1995-10-10 23:40:21 +00:00
ragge
25d43745af Machine independent math library files for non-IEEE architectures. 1995-10-10 23:36:31 +00:00
jtc
c1c8f42080 Changed core routines to call __ieee754_sqrt() instead of sqrt(). I 
reported this enhancement to fdlibm-comments, and got the following
reply:

Date: Thu, 11 May 1995 14:35:25 -0700
From: Kwok.Ng@Eng.Sun.COM (KC Ng)
To: fdlibm-comments@sunpro.Eng.Sun.COM, jtc@cygnus.com
Subject: Re: fdlibm 5.2: why do core functions use sqrt?

> I noticed that core (e_*.c) fdlibm functions like __ieee754_acos()
> ensure that they call sqrt() with arguments in range (x > 0), when
> they could call __ieee754_sqrt() directly.
>
> Since sqrt() does a lot more work (verifies x is in range, etc.) is
> there any reason for this?  I'd think that calling __iee754_sqrt()
> would be more appropriate.  ....

You are right. __ieee754_sqrt should be in use with e_*.c.
 1995-05-12 04:57:13 +00:00
jtc
9ae90685f2 Winning Strategies has placed this code in the public domain. 1995-05-11 23:03:44 +00:00
jtc
d042a3eb20 Id -> NetBSD 1995-05-10 20:44:22 +00:00
jtc
5abf82e236 Id -> NetBSD 1995-05-08 23:55:16 +00:00
jtc
0898887210 Id -> NetBSD 1995-05-08 23:44:37 +00:00
jtc
750e07c91c i387 float version of atan2() 1995-05-08 23:35:10 +00:00
jtc
11fa45b258 Add i387 "float" functions to the makefile 1995-05-03 20:42:23 +00:00