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36 commits

Author SHA1 Message Date
mrkn
1c3e07f0d6 * ext/bigdecimal/bigdecimal.c (Init_bigdecimal): add two new constants BigDecimal::INFINITY and BigDecimal::NAN. 
* ext/bigdecimal/lib/bigdecimal/math.rb (BigMath.exp): modify the behaviors for infinity arguments as same as Math.exp.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28533 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2010-07-03 07:47:00 +00:00
nobu
5b20a1398b * ext/bigdecimal/lib/bigdecimal/math.rb (BigMath#log): improved 
precision and performance. [ruby-dev:41295]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27747 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2010-05-12 06:04:59 +00:00
mrkn
74365313f7 * ext/bigdecimal/lib/bigdecimal/math.rb (atan), test/bigdecimal/test_bigmath.rb (test_atan): explicitly specify the precision for calculating a reciprocal number of an argument. [Bug #3267] 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27734 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2010-05-11 05:11:59 +00:00
nobu
39ea1c8c7c * ext/bigdecimal/lib/bigdecimal/math.rb (atan): atan(Infinity) is 
PI/2.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25063 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2009-09-23 17:21:26 +00:00
nobu
1ef3ac4738 * ext/bigdecimal/lib/bigdecimal/math.rb (atan): reduce loop with 
the formula of the double corner.  based on a patch from
  Masahiro Kanai (CanI) in [ruby-dev:39367].


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25062 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2009-09-23 17:08:37 +00:00
nobu
8c3926aea0 * ext/bigdecimal/lib/bigdecimal/math.rb (atan): refined. 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25057 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2009-09-23 12:25:20 +00:00
nobu
2c34b66e24 * ext/bigdecimal/lib/bigdecimal/{ludcmp,math}.rb: depend on 
bigdecimal.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25029 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2009-09-21 20:04:10 +00:00
nobu
51132a8ad9 * ext/bigdecimal/lib/bigdecimal/newton.rb: rdoc needs to be 
followed by the definition.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25028 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2009-09-21 20:00:21 +00:00
nobu
c1f1b452cb * ext/bigdecimal/lib/bigdecimal/*.rb: made module functions. 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25027 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2009-09-21 19:56:20 +00:00
nobu
178dafefa9 * ext/bigdecimal/lib/*.rb: fixed indent. 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25026 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2009-09-21 19:49:32 +00:00
nobu
cd4f59bc5e * ext/bigdecimal/lib/bigdecimal/math.rb (sin, cos, atan, exp, log): 
improved precision and performance.  based on a patch from Makoto
  Yamashita in [ruby-core:25600] and [ruby-core:25602].


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25013 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2009-09-20 15:07:38 +00:00
nobu
287a34ae0d * {ext,lib,test}/**/*.rb: removed trailing spaces. 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@22784 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2009-03-06 03:56:38 +00:00
matz
e644398bc6 * ext/bigdecimal/bigdecimal.c (BigDecimal_to_r): moved from 
bigdecimal/util, converted into C.  [ruby-dev:36805]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20191 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2008-11-11 10:45:21 +00:00
matz
09f4a8643c * ext/bigdecimal/lib/bigdecimal/jacobian.rb (Jacobian::dfdxi): 
typo fixed (raize -> raise).  [ruby-list:45101]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@17492 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2008-06-20 19:39:36 +00:00
matz
4bacdc1e46 * bignum.c (bignorm): sizeof(long) may be smaller than 
sizeof(VALUE).  [ruby-dev:29013]

* ruby.h (FIXNUM_MAX): fixnum may be bigger than long.

* ruby.h (SIGNED_VALUE): signed integer of size of VALUE.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@10510 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2006-07-11 05:00:02 +00:00
matz
60bf66e0cd * ext/bigdecimal/bigdecimal.c: add RDoc document. a patch from 
mathew <meta at pobox.com>.   [ruby-core:07050]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@10428 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2006-06-29 09:09:33 +00:00
matz
d1a5aa5685 * ext/bigdecimal/lib/bigdecimal/newton.rb (Newton::nlsolve): typo 
fixed: raize -> raise.  [ruby-talk:196608]

* string.c (rb_str_ord): new method.

* parse.y (rbracket): allow optional newline before closing
  brackets.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@10242 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2006-06-10 16:09:12 +00:00
ocean
c1ed63a4c4 * ext/bigdecimal/sample/linear.rb: resolve LoadError. 
* ext/bigdecimal/sample/nlsolve.rb: ditto.

* ext/bigdecimal/lib/bigdecimal/nlsolve.rb: removed because this file
  is sample script and same file exists in ext/bigdecimal/sample.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@7996 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2005-02-18 17:31:14 +00:00
ocean
ce5140ad2a * bigdecimal/newton.rb: resolve LoadError. 
* bigdecimal/nlsolve.rb: ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@7994 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2005-02-18 16:42:43 +00:00
shigek
38b9eb1674 mult & div instead of * & /. 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4459 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2003-08-29 13:33:37 +00:00
shigek
caf213d9ad E added. Typo corrected. 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4411 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2003-08-19 14:16:09 +00:00
shigek
a8027639b8 Refinement for speedup. 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4401 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2003-08-17 14:35:53 +00:00
shigek
32df87feab Typo 'selt' corrected to 'self'. 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4395 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2003-08-16 13:36:40 +00:00
shigek
3fe728e76b sqrt() & atan() added. 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4394 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2003-08-15 14:13:49 +00:00
shigek
1e97118d8f Newly added. 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4388 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2003-08-14 15:34:17 +00:00
shigek
9cfc06d9ae Comment changed. 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4357 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2003-08-08 15:31:53 +00:00
shigek
de20b0bf59 Trailing 0s in split removed.(to_digits changed). 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4333 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2003-08-05 14:03:57 +00:00
shigek
f2c49270e7 Bug in to_digits fixed. 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4330 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2003-08-05 09:32:09 +00:00
shigek
480fa2f5cc Typo pointed out by Javier Goizueta fixed. 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4319 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2003-08-04 13:47:29 +00:00
shigek
651f324a27 Spec for div changed. 
add,sub,mult,div now can specify exact digits number.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4154 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2003-07-25 02:27:33 +00:00
shigek
1bb3071bde As discussed in ruby-dev ML: 
lib directory moved.
  util.rb created instead of bigdecimal-rational.rb


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4093 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2003-07-18 15:26:37 +00:00
shigek
e242cf9def More pathes from Tadasi Saito. 
As discussed in ruby-dev ML:
  E,PI, etc are disabled.
  BigDecimal op String disabled.
  to_f changed.
  lib directory moved.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4092 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2003-07-18 15:24:25 +00:00
shigek
f64d6232ab Changed according to Tadashi Saito's advice. 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4009 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2003-06-27 04:40:25 +00:00
shigek
cff57b4a26 Dir. rearrangement according to the suggestions from Minero Aoki. 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3722 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2003-04-24 13:37:32 +00:00
shigek
640c19405c Rubbish ! 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3627 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2003-03-28 05:15:59 +00:00
shigek
7744351708 Copied from rough/bigdecimal,documents & some sample programs added. 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3625 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2003-03-28 05:00:21 +00:00