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94 Commits

Author SHA1 Message Date
jtc
600d3f84d5 Add volatile qualifier to huge and tiny, so that huge*huge and tiny*tiny 
are performed at run-time.
 1994-12-16 08:38:20 +00:00
jtc
c446bbd004 Added s_isinff.c 1994-09-25 17:31:51 +00:00
jtc
d797a5d5e9 __infinity[] and isinf() for systems whose C libraries don't supply them; 
and isinff(), a "float" version of isinf().
 1994-09-25 17:29:47 +00:00
jtc
43e6dd4c8e Add prototype for isinff(). 1994-09-25 17:27:56 +00:00
jtc
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
jtc
b4f978017e Remove CYGNUS_LOCAL comment: I maintain this code for NetBSD, not Cygnus 1994-09-13 00:40:33 +00:00
mycroft
21a91228b1 Only extract lx if we need it. 1994-08-26 13:37:40 +00:00
jtc
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
jtc
4b2017adfe Assembly language versions of some of the "float" functions. 1994-08-19 03:56:44 +00:00
jtc
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
jtc
fad867417f Bump minor number to account for additions of "float" versions of 
the math functions.
 1994-08-19 00:44:35 +00:00
jtc
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
jtc
c120d36cd8 Major Bogon: change %ebp to %esp, as I don't set up a stack frame. 1994-08-18 20:42:35 +00:00
mycroft
7fa12b9866 Clean up deleted files. 1994-08-10 20:35:54 +00:00
jtc
8346e333d0 Float versions of math functions. From Ian Taylor (ian@cygnus.com), with 
minor changes by me.
 1994-08-10 20:30:00 +00:00
jtc
bdde9305da Use RCSID macro for RCS ID's. 1994-03-18 23:22:10 +00:00
jtc
6d76330bec Added RCS ID's. ID's use new RCSID macro from <machine/asm.h>. 1994-03-12 01:30:22 +00:00
jtc
d72111c735 Update for mc68881 ceil(), floor(), & rint(), and s_sqrt.S -> e_sqrt.S 
naming mistake.
 1994-03-12 01:20:02 +00:00
mycroft
912d356b80 Clean up deleted files. 1994-03-12 01:16:39 +00:00
jtc
41dbc84e05 The hardware sqrt function is supposed to be __ieee754_sqrt(), and live in 
e_sqrt.S.
 1994-03-12 01:16:38 +00:00
jtc
daefb8ce62 converted ceil(), floor(), & rint() from old to new math libraries. 1994-03-12 01:10:51 +00:00
jtc
c9566fe572 Replace code that was "truncated" when it was converted from old 
math library.
 1994-03-12 01:09:29 +00:00
jtc
593d18fc49 Added a ieee_test(3) man page (Like SunOS) derrived from an earlier copy 
of ieee(3).  This man page describes logb, scalb, and significand, which
are really only useful for verifying IEEE754 compliance.
 1994-03-11 17:18:54 +00:00
mycroft
da7c295a78 Clean up deleted files. 1994-03-11 01:34:40 +00:00
jtc
cc2f880912 infnan was a vaxism. 1994-03-11 01:34:18 +00:00
jtc
d264f5578d Updated for new math library. 1994-03-11 01:32:08 +00:00
jtc
2191277bb6 Fix typo. 1994-03-10 18:15:07 +00:00
jtc
2ed7077300 Added i387 version of significand(). 1994-03-10 18:13:32 +00:00
jtc
6ee224c2ec Christos Zoulas' Makefile fixes. 1994-03-08 17:20:51 +00:00
jtc
aff2eb8384 More i387 libm support. 1994-03-04 17:39:50 +00:00
jtc
39abd30929 Don't determine byte order at run time. 
This also "solves" the problem of GCC optimization leading to incorrect
results.
 1994-03-03 17:04:03 +00:00
jtc
efcdc02b30 Add cabs() & drem() for BSD libm compatibility. 1994-03-01 17:14:34 +00:00
jtc
f0cf5168c0 Changes for new math library. 1994-02-25 19:43:56 +00:00
jtc
5d19bb2922 Update manpages for new math library. 1994-02-25 19:32:18 +00:00
jtc
0dff3c6f48 Optimize the common case (theta < 2^63). 1994-02-18 17:38:59 +00:00
jtc
b365a34dd9 i387 specific ilogb() 1994-02-18 02:50:11 +00:00
jtc
af4a36425d Add RCS ID's. 1994-02-18 02:27:42 +00:00
jtc
bc3f7bf6db Add RCS ID's. 1994-02-18 02:24:43 +00:00
jtc
c709120244 i387-specific math functions. 1994-02-16 19:21:10 +00:00
jtc
44adfd9d70 Compiled shared too. 1994-02-15 01:00:46 +00:00
jtc
03898350df Functions brought over from the old math library. 1994-02-14 21:55:12 +00:00
jtc
39b2c53536 Comment out all functions that are also provided by our C library: fabs(), 
frexp(), isnan(), ldexp(), and modf().
 1994-02-14 17:32:56 +00:00
jtc
c6776a9449 isnan() was provided by both C and Math libraries. 1994-02-14 17:07:07 +00:00
jtc
101f9521b3 More i387 math support, too bad we can't enable it 1994-02-12 01:31:52 +00:00
mycroft
899fe71cbd Clean up deleted files. 1994-02-11 18:35:37 +00:00
jtc
c283017b5f Changes for fdlibm based math library 1994-02-11 18:35:35 +00:00
jtc
1e7d35f8a1 Beginning of changes needed for fdlibm 1994-02-11 18:34:05 +00:00
mycroft
14664faf49 Clean up deleted files. 1994-02-11 18:24:40 +00:00
jtc
c632d011dd FPU specific math code. 1994-02-11 18:20:17 +00:00
mycroft
43969d1349 Clean up deleted files. 1994-02-11 18:16:42 +00:00