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
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
99410184e7
netbsd.org->NetBSD.org
2003-07-26 19:24:24 +00:00
fc7bf2b10c
Nit fixes from jmc@openbsd.
2003-05-20 10:15:16 +00:00
f0679cbc4d
Restore \fR that got lost in last.
2003-05-01 09:36:49 +00:00
f72c56c419
Remove reference to non-existent infnan(3) function.
2003-05-01 08:01:52 +00:00
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
ca9aafe282
bessel->Bessel, from Igor Sobrado in PR misc/19814
2003-03-31 18:47:42 +00:00
896b16517d
bessel->Bessel from Igor Sobrado PR misc/19814
2003-03-31 18:46:38 +00:00
88dc468feb
Fix some assembly botches.
2003-02-21 06:40:47 +00:00
617b132aac
Spell output with two ts.
2003-01-04 23:43:02 +00:00
69cddf09e6
Avoid a strict-alias warning.
2002-12-05 16:03:42 +00:00
71dd1ccd73
New sentence, new line. From Robert Elz.
2002-10-01 19:21:30 +00:00
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
ebb6fc9eb8
Use ${NETBSDSRCDIR}/some/path instead of ${.CURDIR}/../../some/path (etc).
...
(Reduces make output by ~ 20%)
2002-08-19 09:41:27 +00:00
778e246527
Add sinf/cosf.
2002-07-14 19:55:24 +00:00
5ac19a376b
Add finitef
2002-06-23 21:55:12 +00:00
7a0238324a
Add cosf/sinf.
2002-06-23 21:54:37 +00:00
a81e53dde5
Remove unnecessary spaces.
2002-06-15 09:39:52 +00:00
0202d560cf
Compile libm on VAX at WARNS=2; leave other architectures at WARNS=1
2002-06-15 00:13:07 +00:00
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
aa30599e06
__STDC__ is always defined on NetBSD.
2002-05-26 22:01:47 +00:00
7c1988dc5f
#if 0 one; it's not used.
2002-04-09 01:55:48 +00:00
b07be1ff9d
#if 0 invsqrtpi; it's not used.
2002-04-09 01:55:13 +00:00
059c5712b9
Fix mistake in previous.
2002-03-30 10:03:44 +00:00
edcf4b63ed
Fix stack usage for temporary storage. From Stephen Ma in PR xsrc/15404.
2002-03-26 15:17:37 +00:00
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
0ce5ca145f
Change to use a register prefix.
2002-02-24 01:06:18 +00:00
d9dae701a5
Don't bsbb to an external symbol. the dynamic linker won't like it.
2002-02-21 07:49:55 +00:00
306d24c5d4
Sort SEE ALSO.
2002-02-20 11:53:02 +00:00
9b53792eb8
Drop superfluous .Pp, punctuation nit.
2002-02-20 11:52:39 +00:00
dcd750ae30
Sort sections.
2002-02-20 11:52:13 +00:00
22a40c69b3
Use standard headers, sort sections.
2002-02-20 11:51:43 +00:00
363989ac63
Punctuation nits, use standard headers, sort sections, remove Tahoe references.
2002-02-20 11:51:15 +00:00
dc5571b22e
Generate <>& symbolically. I'm avoiding .../dist/... directories for now.
2002-02-08 01:21:55 +00:00
9856438e91
generate & symbolically
2002-02-07 09:24:04 +00:00
814f296b77
Generate <>& symbolically.
2002-02-07 07:00:09 +00:00
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
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
bed5b7e260
Whitespace nit.
2002-01-15 02:53:28 +00:00
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
001067bbd1
Readability cleanups; MKfoo=no -> NOfoo.
2001-12-12 00:51:00 +00:00
b4371d47f5
Replace some misuses of "then" with "than".
2001-12-04 17:56:30 +00:00
1077b95a4c
- sort sections
...
- introduce commented-out FILES section until page is mdoc'ified.
2001-11-10 06:29:57 +00:00
c1b95c0073
explicitly set to WARNS?=1
2001-11-05 15:22:23 +00:00
d191029b13
2 more bitnumber mistakes fixed while removing sahf.
2001-06-25 16:47:05 +00:00
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
120d96874f
%rbp -> %rsp in 2 cases.
2001-06-19 17:49:36 +00:00
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
d27b141b4e
Use arch/i387 for x86_64.
2001-06-19 00:25:36 +00:00
839708d0cf
revert previous (obviously wrong) change
2001-05-26 16:49:58 +00:00
4d029c3f35
Make this compile when _USE_WRITE is defined
2001-05-22 08:31:27 +00:00
7d69dd4748
Fix date and (missing) punctuation.
2001-04-11 18:20:37 +00:00
fe6fa58436
Add support for ARM VFP-format doubles, conditional on __VFP_FP__.
2001-02-21 18:09:25 +00:00
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
fe98f4b896
remove redundant declarations; use __MATH_PRIVATE__ to override math.h
...
declarations.
2001-01-06 00:15:00 +00:00
26c512aade
Make these idempotent as far as the FPU register stack is concerned.
2000-09-26 07:28:23 +00:00
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
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
7c1da7b0c9
Regenerate, after changing internal label used for linkage to the wrapper
...
scripts.
2000-05-16 19:07:35 +00:00
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
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
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
6c97e2bd78
Initial commit of arm26 port
2000-05-09 21:55:44 +00:00
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
0c766839fc
G/c label orphaned since rev. 1.6.
2000-01-31 18:28:49 +00:00
25b059b813
If we are not including i387 support in libm, build a separate libi387.
1999-12-13 09:40:27 +00:00
e133a9e685
Makefile and shared library for libm387.
1999-12-13 09:36:29 +00:00
82d7115cf2
Don't pass so many args to .Nd macro. It just overflows.
1999-11-19 01:12:39 +00:00
bebf6897b4
Add register prefixes.
1999-11-10 16:45:33 +00:00
627a762f23
Regen; add register prefixes.
1999-11-10 16:34:56 +00:00
c958703527
Add register prefixes.
1999-11-10 16:32:45 +00:00
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
7afc17a12a
Use arch/m68k copies of the common functions even for mc68881 hardware.
1999-08-22 18:28:37 +00:00
2dc451b448
*gamma* need k_sin*/k_cos*
1999-08-22 08:25:42 +00:00
3f2d2fc0e5
Copied from mc68881/s_rint.S,v
1999-08-21 21:26:40 +00:00
455f7bb90c
Copied from mc68881/s_floor.S,v
1999-08-21 21:26:28 +00:00
c78325ae61
Copied from mc68881/s_ceil.S,v
1999-08-21 21:26:16 +00:00
c81875b78b
Copied from mc68881/s_finite.S,v
1999-08-21 21:25:40 +00:00
11d34cdce5
Copied from mc68881/s_copysign.S,v
1999-08-21 21:24:46 +00:00
9e6d62796f
wrap lines in Makefile.list
1999-08-21 21:04:17 +00:00
a33bf8cb4b
Clarify instructions
1999-08-21 20:50:21 +00:00
9f72d71dcd
Same reason as for ldexp.S: most applications don't scale 0.0.
1999-08-21 17:29:37 +00:00
beb22e60b3
Pull in Motorola 68060 floating point library support package based
...
libm code, .ifdef M68060.
1999-08-19 21:53:03 +00:00
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
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
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
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
72c8365c20
Document reentrant log gamma interfaces.
1999-08-16 12:35:18 +00:00
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
58bbec2442
Make these SVR4 ABI ready.
1999-08-15 18:45:18 +00:00
42724dd4d2
More trailing white space.
1999-07-02 15:37:33 +00:00
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
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
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
04d7a85c7b
NOLINT -> MKLINT=no.
1999-02-15 09:33:41 +00:00
36f9d7790a
RCS ID police
1999-02-15 04:03:03 +00:00
956c293b6d
Mention cabsf, and explain struct complex usage.
1999-01-31 19:38:00 +00:00
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
0a31df6329
Fix a typo.
1999-01-02 01:11:55 +00:00
0298a4dd05
Use __arm32__, not arm32, for egcs.
1998-11-24 09:25:30 +00:00
5bf0199231
Fix PIC code and fix problem with obj dirs.
1998-11-11 15:26:14 +00:00
4380475d73
Fixe some forgotten vax -> __vax__ changes.
1998-11-08 19:29:34 +00:00
93bbcb05b4
Add .type _sym,@foo for shared libraries
1998-10-31 02:06:01 +00:00
c34b7ca182
vax --> __vax__ (also egcsify the code; missing ints, braces, etc.)
1998-10-20 02:26:09 +00:00
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
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
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
08c09aef0c
Add some braces to make egcs happy. (This code could kill me.)
1998-08-19 00:45:36 +00:00
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
b54911c568
fix mdoc reference
1998-04-29 01:42:03 +00:00
0dfe3ba2cc
move NOLINT definition
1998-02-19 06:58:07 +00:00
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
312aca536f
add LIBRARY section to man page
1998-02-05 18:45:17 +00:00
4e067afcb1
RCS Id Police.
1998-01-09 03:15:09 +00:00
93db5caa95
RCSID Police.
1998-01-05 07:41:06 +00:00
6be07a674c
add missing .Nm calls and MLINKS. from spz@serpens.swb.de
1997-11-12 00:47:32 +00:00
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
219751628c
Nuke trailing comma in SEE ALSO section.
1997-11-01 06:42:53 +00:00
69c06ad713
use CPPFLAGS instead of CFLAGS
1997-10-23 02:41:28 +00:00
04195f0e89
Fix a bunch of warnings introduced by more flags to cc.
1997-10-20 14:11:35 +00:00
c7534c9f97
kill tab on line by itself, keep contents within 80 columns
1997-10-18 05:34:11 +00:00
7c9cfab805
Same reason as for ldexp.S: most applications don't scale 0.0.
1997-10-10 10:40:40 +00:00
118c71a6fa
rcsid facism, WARNSify
1997-10-09 11:34:16 +00:00
41f0dee6a6
rcsid facism, WARNSify
1997-10-09 11:33:05 +00:00
61187201c6
rcsid facism, WARNSify
1997-10-09 11:31:07 +00:00
dd7adfbf0c
rcsid facism, WARNSify
1997-10-09 11:27:48 +00:00
bee8515057
rcsid facism, WARNSify
1997-10-09 11:26:55 +00:00
5982e278af
comment out reference to missing FORTRAN math lib; PR 4153
1997-09-28 06:24:45 +00:00
990a11b9c6
Fix files using old TNF copyright notice
1997-07-30 23:53:32 +00:00
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
899eb5a41b
Add missing standards conformance statements.
1997-07-14 23:23:47 +00:00
1b973c5082
add parens for gcc -Wall
1997-06-20 07:42:01 +00:00
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
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
f4543b19b0
force NOLINT on the Alpha, at least until we fix FP underflow/denorm handling
1996-12-19 08:03:40 +00:00
b47990743d
<machine/endian.h> -> <sys/types.h>
1996-10-13 00:05:33 +00:00
bba370bbe9
remove inclusion of <machine/endian.h>
1996-10-13 00:04:56 +00:00
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
caae5cd93d
Use <machine/asm.h>
1996-08-13 17:00:28 +00:00
a9347d2469
Fix description of ceil(3). Closes pr lib/2690
1996-08-12 22:39:34 +00:00
688ff1ddf9
Correct think-o; this is an assembler source file (and the Makefile
...
expected as such).
1996-07-08 03:27:25 +00:00
ca7561ba59
Fix typo
1996-07-06 00:15:45 +00:00
7e4136b303
Add a continuation slash in the commented-out i387 section
1996-07-05 22:26:51 +00:00
9fc92b384e
Add new i387 math functions to ARCH_SRCS
1996-07-03 18:02:43 +00:00
a5e2dfa95f
use one less fp stack slot
1996-07-03 17:31:28 +00:00
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
88420f2e4d
this simple adaptation exp() does not work
1996-07-03 17:20:16 +00:00
5f9accdf53
Assembly versions of expf(), logf(),log10f(), scalbf(), expm1() and expm1f().
1996-07-03 16:50:20 +00:00
991d9c139a
we don't need to branch
1996-06-26 14:44:05 +00:00
6f5348dbbd
Enable mc68881 version of fmod
1996-06-26 14:39:49 +00:00
3a2de776bf
add m68881 specific fmod()
1996-06-26 14:36:14 +00:00
6655b8bb1f
enable alpha-specific libm files
1996-06-26 07:38:42 +00:00
c13e010e3c
Alpha versions of copysign() and copysignf()
1996-06-26 07:29:59 +00:00
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
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
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
d9f99fc936
Removing a "volatile" put there for the ns32k which is no longer needed.
1996-04-08 15:43:41 +00:00
3bf9d01bf7
infnan(3) no longer exists.
1996-03-30 01:33:59 +00:00
ee341062c6
Changed 3m to 3. There is no 3m manpage section.
1996-03-30 01:28:55 +00:00
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
26646c7969
Setup stack-frame correctly (same as s_ilogb.S).
1995-10-22 20:32:43 +00:00
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
a6a78ddeb9
Got Makefile to understand to use non-IEEE files on vax systems.
1995-10-10 23:43:31 +00:00
d76e5e0af8
Machine specific math library files for vax.
1995-10-10 23:40:21 +00:00
25d43745af
Machine independent math library files for non-IEEE architectures.
1995-10-10 23:36:31 +00:00
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
9ae90685f2
Winning Strategies has placed this code in the public domain.
1995-05-11 23:03:44 +00:00
d042a3eb20
Id -> NetBSD
1995-05-10 20:44:22 +00:00
5abf82e236
Id -> NetBSD
1995-05-08 23:55:16 +00:00
0898887210
Id -> NetBSD
1995-05-08 23:44:37 +00:00
750e07c91c
i387 float version of atan2()
1995-05-08 23:35:10 +00:00
11fa45b258
Add i387 "float" functions to the makefile
1995-05-03 20:42:23 +00:00
684161edae
Added i387 remainderf and sqrtf
1995-05-03 14:47:35 +00:00
5c7208348c
Winning Strategies has placed this code into the Public Domain
1995-04-28 22:43:31 +00:00
5e5fe216ab
removed log2 from manpage, libm doesn't provide that function.
1995-04-27 18:21:43 +00:00
df8b005f6e
First cut at adding float versions of math functions to the manpages.
1995-04-14 18:39:53 +00:00
d6c3ebedb4
Fix overlooked FIXME: unsigned int -> u_int32_t.
1995-03-25 01:48:53 +00:00
fd8d17a56d
First pass at documenting "float" versions of these functions.
1995-03-04 01:36:29 +00:00
4c34be6b52
Clean up deleted files.
1995-03-01 00:00:00 +00:00
ea66efc784
Enable mc68881 versions of remainder() and scalb().
1995-02-18 01:46:41 +00:00
8961dd234b
Special case 0, as was done in s_scalbn.S.
...
I'm only doing this for consistancy --- someone really needs to measure
whether this optimization is justified.
1995-02-18 01:39:51 +00:00
324e516335
68881-assisted versions of these functions.
1995-02-18 01:24:42 +00:00
6a189fc179
Remove unused static constant "one".
1995-01-25 01:07:23 +00:00
3d9c0cdc87
Integrate last of the relavant changes from fdlibm 5.2:
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4. Performance issue on rem_pio2
An attempt to speed up the argument reduction in the trig function is to
consider pi/4 < x < 3pi/4 a special case. This was done in the file
e_rem_pio2.c
1995-01-25 01:06:35 +00:00
10a7ebda19
Bug fix from fdlibm 5.2.
1995-01-16 20:05:43 +00:00
3a370daf86
specify man pages the new way.
1994-12-22 09:44:45 +00:00
600d3f84d5
Add volatile qualifier to huge and tiny, so that huge*huge and tiny*tiny
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are performed at run-time.
1994-12-16 08:38:20 +00:00
c446bbd004
Added s_isinff.c
1994-09-25 17:31:51 +00:00
d797a5d5e9
__infinity[] and isinf() for systems whose C libraries don't supply them;
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and isinff(), a "float" version of isinf().
1994-09-25 17:29:47 +00:00
43e6dd4c8e
Add prototype for isinff().
1994-09-25 17:27:56 +00:00
d1f06e0b8f
LIBM_SCCS must be defined for the RCS ID to be defined.
...
This library will soon be used by DJGPP. And since memory is often tight
on DOS machines, there is little benifit to be had from including RCS IDs.
1994-09-22 16:39:08 +00:00
b4f978017e
Remove CYGNUS_LOCAL comment: I maintain this code for NetBSD, not Cygnus
1994-09-13 00:40:33 +00:00
21a91228b1
Only extract lx if we need it.
1994-08-26 13:37:40 +00:00
9f19de9cde
Remove lie (in a comment) about conversion between 80 bit ot 64 bit reals,
...
since we set up the fpu to do all calculations in 64 bit mode at this time.
1994-08-26 00:20:34 +00:00
4b2017adfe
Assembly language versions of some of the "float" functions.
1994-08-19 03:56:44 +00:00
1af6796a8d
The fyl2xp1 instruction has a limited range:
...
-(1 - (sqrt(2) / 2)) <= x <= sqrt(2) - 1
so we can't use it.
Also, I'm not sure fyl2xp1's extra precision will
matter once the result is converted from extended
real (80 bits) back to double real (64 bits).
1994-08-19 03:55:57 +00:00
fad867417f
Bump minor number to account for additions of "float" versions of
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the math functions.
1994-08-19 00:44:35 +00:00
b0c9d09246
Change int -> int32_t and unsigned int -> u_int32_t to improve portabilty
...
to machines where int != 32 bits.
1994-08-18 23:04:51 +00:00
c120d36cd8
Major Bogon: change %ebp to %esp, as I don't set up a stack frame.
1994-08-18 20:42:35 +00:00
wennmach