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148 Commits

Author SHA1 Message Date
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
jtc
684161edae Added i387 remainderf and sqrtf 1995-05-03 14:47:35 +00:00
jtc
5c7208348c Winning Strategies has placed this code into the Public Domain 1995-04-28 22:43:31 +00:00
jtc
5e5fe216ab removed log2 from manpage, libm doesn't provide that function. 1995-04-27 18:21:43 +00:00
jtc
df8b005f6e First cut at adding float versions of math functions to the manpages. 1995-04-14 18:39:53 +00:00
jtc
d6c3ebedb4 Fix overlooked FIXME: unsigned int -> u_int32_t. 1995-03-25 01:48:53 +00:00
jtc
fd8d17a56d First pass at documenting "float" versions of these functions. 1995-03-04 01:36:29 +00:00
mycroft
4c34be6b52 Clean up deleted files. 1995-03-01 00:00:00 +00:00
jtc
ea66efc784 Enable mc68881 versions of remainder() and scalb(). 1995-02-18 01:46:41 +00:00
jtc
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
jtc
324e516335 68881-assisted versions of these functions. 1995-02-18 01:24:42 +00:00