summaryrefslogtreecommitdiff
path: root/math.c
AgeCommit message (Collapse)Author
2014-05-03math.c: check domain of base argumentnobu
* math.c (math_log): check domain of base argument too. raises Math::DomainError instead of returning NaN if the base is less than 0, and returns NaN instead of -infinity if both of two arguments are 0. [ruby-core:62309] [Bug #9797] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45795 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2014-05-03math.c: adjust prototype of math_lognobu
* math.c (math_log): adjust prototype as method function. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45794 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2014-02-15* internal.h: Rename macro names: RBIGNUM_FOO to BIGNUM_FOO.akr
(BIGNUM_EMBED_LEN_NUMBITS): Renamed from RBIGNUM_EMBED_LEN_NUMBITS. (BIGNUM_EMBED_LEN_MAX): Renamed from RBIGNUM_EMBED_LEN_MAX. (BIGNUM_SIGN_BIT): Renamed from RBIGNUM_SIGN_BIT. (BIGNUM_SIGN): Renamed from RBIGNUM_SIGN. (BIGNUM_SET_SIGN): Renamed from RBIGNUM_SET_SIGN. (BIGNUM_POSITIVE_P): Renamed from RBIGNUM_POSITIVE_P. (BIGNUM_NEGATIVE_P): Renamed from RBIGNUM_NEGATIVE_P. (BIGNUM_EMBED_FLAG): Renamed from RBIGNUM_EMBED_FLAG. (BIGNUM_EMBED_LEN_MASK): Renamed from RBIGNUM_EMBED_LEN_MASK. (BIGNUM_EMBED_LEN_SHIFT): Renamed from RBIGNUM_EMBED_LEN_SHIFT. (BIGNUM_LEN): Renamed from RBIGNUM_LEN. (RBIGNUM_DIGITS): Renamed from RBIGNUM_DIGITS. (BIGNUM_LENINT): Renamed from RBIGNUM_LENINT. * bignum.c: Follow the above change. * gc.c: Ditto. * marshal.c: Ditto. * math.c: Ditto. * numeric.c: Ditto. * random.c: Ditto. * rational.c: Ditto. * sprintf.c: Ditto. * ext/-test-/bignum/bigzero.c: Ditto. * ext/-test-/bignum/intpack.c: Ditto. * ext/bigdecimal/bigdecimal.c: Ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44989 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2013-09-28math.c: fix for Bignum argumentnobu
* math.c (math_log, math_log2, math_log10): fix for Bignum argument. numbits should be add only when right shifted. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43080 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2013-09-07bignum.c, math.c: RB_BIGNUM_TYPE_Pnobu
* bignum.c, math.c (RB_BIGNUM_TYPE_P): predicate macro like RB_FLOAT_TYPE_P. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42874 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2013-09-07bignum.c, math.c: type predicatesnobu
* bignum.c, math.c: use type predicate macros instead of TYPE(). git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42873 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2013-09-07* math.c (math_log): Test the sign for bignums.akr
(math_log2): Ditto. (math_log10): Ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42871 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2013-09-07* math.c (math_log): Support bignums bigger than 2**1024.akr
(math_log2): Ditto. (math_log10): Ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42870 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2013-06-07* internal.h (numberof): Gathered from various files.akr
* array.c, math.c, thread_pthread.c, iseq.c, enum.c, string.c, io.c, load.c, compile.c, struct.c, eval.c, gc.c, parse.y, process.c, error.c, ruby.c: Remove the definitions of numberof. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41142 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2013-06-02math.c: ASCII minusnobu
* math.c: use ASCII minus (-) instead of U+2212. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41029 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2013-05-20* math.c: improve and fix documentation of sin, tan and logeregon
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40852 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2013-05-19* math.c: RDoc formatting of Math core docs with domains and codomainszzak
Patch by @eLobato [Fixes GH-309] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40841 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2012-11-21 * include/ruby/util.h: removed extra semicolon in definition oftadf
macro. * compile.c: ditto. * cont.c: ditto. * math.c: ditto. * node.c: ditto. * parse.y: ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37781 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2011-10-24* complex.c: use "__sun" instead of "__sun__" to detect SunOS.akr
* math.c: ditto. * hash.c: ditto. * atomic.h: ditto. * ext/io/wait/wait.c: ditto. [ruby-dev:44693] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33521 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2011-09-29* use RB_TYPE_P which is optimized for constant types, instead ofnobu
comparison with TYPE. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33357 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2011-08-05* complex.c (f_signbit): fix compile error in gcc4 on Solaris withngoto
CFLAGS="-std=gnu99". [ruby-dev:44355] fix [Bug #5159] * math.c: ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32858 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2011-07-31Forward-ports r32777 from branches/ruby_1_9_3 to trunk.yugui
-- * complex.c (f_signbit): gcc4 on Solaris DOES have signbit but does not have it on header. * math.c: ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32786 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2011-06-29 * math.c: Attach documentation for Math.drbrain
* object.c: Document NIL, TRUE, FALSE. * io.c: Improve grammar in ARGF comment. Document STDIN/OUT/ERR. Document ARGF global constant. * lib/rake: Hide deprecated toplevel constants from RDoc (import from rake trunk). * lib/thwait.rb: Document ThWait. * lib/mathn.rb: Hide Math redefinition from RDoc * lib/sync.rb: Add a basic comment for Sync_m, Synchronizer_m, Sync, Synchronizer. * parse.y: Document SCRIPT_LINES__. * hash.c: Document ENV class and global constant. * vm.c: Document TOPLEVEL_BINDING. * version.c: Document RUBY_* constants. * ruby.c: Document DATA and ARGV. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32281 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2011-06-17* internal.h: declare internal functions here.akr
* node.h: declare NODE dependent internal functions here. * iseq.h: declare rb_iseq_t dependent internal functions here. * vm_core.h: declare rb_thread_t dependent internal functions here. * bignum.c, class.c, compile.c, complex.c, cont.c, dir.c, encoding.c, enumerator.c, error.c, eval.c, file.c, gc.c, hash.c, inits.c, io.c, iseq.c, load.c, marshal.c, math.c, numeric.c, object.c, parse.y, proc.c, process.c, range.c, rational.c, re.c, ruby.c, string.c, thread.c, time.c, transcode.c, variable.c, vm.c, tool/compile_prelude.rb: don't declare internal functions declared in above headers. include above headers if required. Note that rb_thread_mark() was declared as void rb_thread_mark(rb_thread_t *th) in cont.c but defined as void rb_thread_mark(void *ptr) in vm.c. Now it is declared as the later in internal.h. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32156 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2010-08-27* math.c (math_atan2): you should know that M_PI is not the featureusa
of C90. fixed build failure caused by r29115. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29119 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2010-08-27* math.c (math_atan2): change the behavior when x and y are zero.mrkn
* test/ruby/test_math.rb (test_atan2): add tests for the above changes. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29115 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2010-05-17* array.c: Documentation: change => in call-seq to ->.marcandre
Harmonize "#=>" in examples. [ruby-core:30206] * bignum.c: ditto * class.c: ditto * compar.c: ditto * cont.c: ditto * dir.c: ditto * encoding.c: ditto * enum.c: ditto * enumerator.c: ditto * error.c: ditto * eval.c: ditto * file.c: ditto * gc.c: ditto * io.c: ditto * load.c: ditto * marshal.c: ditto * math.c: ditto * numeric.c: ditto * object.c: ditto * pack.c: ditto * proc.c: ditto * process.c: ditto * random.c: ditto * range.c: ditto * re.c: ditto * ruby.c: ditto * signal.c: ditto * sprintf.c: ditto * string.c: ditto * struct.c: ditto * thread.c: ditto * time.c: ditto * transcode.c: ditto * variable.c: ditto * vm_eval.c: ditto * vm_method.c: ditto git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27865 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2010-05-08* error.c: RDoc for subclasses of Exception. [ruby-core:28394]marcandre
* cont.c: ditto * enumerator.c: ditto * io.c: ditto * math.c: ditto * numeric.c: ditto * proc.c: ditto * re.c: ditto * thread.c: ditto * transcode.c: ditto. Thanks to Run Paint for some of the documentation. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27671 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2010-04-30* math.c: Math::DomainError < StandardException [ruby-core:29855]marcandre
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27566 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2010-02-28* math.c (rb_eMathDomainError): new exception class for representing ↵muraken
mathematical domain error instead of Errno::EDOM. * math.c (domain_check, infinity_check): removed, no longer needed. * math.c (math_atan2, math_acos, math_asin, math_acosh, math_atanh, math_log, math_log2, math_log10, math_sqrt, math_gamma, math_lgamma): mathematical domain errors are checked and raised before calling libm's functions. * test/ruby/test_math.rb: updated for changes of maht.c. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26785 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2010-02-18* math.c (math_atanh): raise ERANGE without calling atanh if absolutemame
value is 1 to achieve platform-independent math. [ruby-core:28219] * math.c (math_lgamma): return [Infinity, 1] without calling lgamma_r if argument is infinity or -infinity. [ruby-core:28219] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26707 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2010-02-06* math.c (math_lgamma): initialize sign becauseakr
lgamma(NaN) doesn't set the sign in OpenSolaris. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26608 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2010-01-25* math.c (domain_check): ignore errno if y is inf.naruse
r26335 is because NetBSD 5.0's asin and acos returns 0.0 with errno EDOM. But it breaks Linux whose gamma returns inf with errno ERANGE on. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26397 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2010-01-17* math.c (domain_check): check errno first.nobu
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26335 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2009-12-27rdoc update.akr
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26183 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2009-11-18* math.c (math_gamma): fix incorrect comparison expression.takano32
see also [ruby-dev:39709] [Bug #2381] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25836 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2009-11-17rdoc update.akr
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25825 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2009-10-10* math.c (math_atanh): reverted r25279.yugui
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25287 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2009-10-10* math.c (math_atanh): Fix bug for Math.atanh(+/-1). It now returns ↵marcandre
+-Infinity. [ruby-core:26028] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25279 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2009-09-05update comment.akr
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24756 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2009-09-02* math.c (math_gamma): get rid of direct comparison between toonobu
big double and integer, with gcc on x86_64. [ruby-core:25257] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24738 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2009-09-02* math.c (domain_check): simplified.nobu
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24737 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2009-09-02* math.c (math_gamma): constified fact_table.nobu
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24736 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2009-05-13rdoc update.akr
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23420 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2009-05-06update rdoc.akr
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23352 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2009-05-06* math.c (math_gamma): use a table for positive small integers.akr
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23351 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2009-02-23* math.c (Need_Float): call rb_to_float() only when it is reallymatz
needed. small performance improvement. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@22575 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2009-02-22stripped trailing spaces.nobu
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@22552 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2009-01-28* math.c: SEGV is caused by implicit rb_to_float declarationtakano32
test_complexrational.rb: [BUG] at IA-64 architecture git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@21813 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2008-12-31* object.c (rb_to_float): replaced by to_flo definition frommatz
math.c [ruby-dev:37668] * math.c (Need_Float): use rb_to_float(). git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@21214 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2008-12-10* math.c (domain_check): should not raise EDOM exception for NaNmatz
value if operand is also NaN. affects acos, asin, acosh, atanh, log, log2, log10, sqrt, gamma, lgamma. [ruby-dev:37357] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20619 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2008-10-28inserted a newline.tadf
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20007 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2008-10-28 * math.c (rb_math_{atan2,cos,cosh,hypot,log,sin,sinh,sqrt}): added.tadf
* complex.c: follows the above change. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20005 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2008-09-21 * math.c (math_log): should check argc.tadf
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19448 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2008-09-05* include/ruby/ruby.h (DBL2NUM): renamed from DOUBLE2NUM.matz
a patch from Tadashi Saito <shiba at mail2.accsnet.ne.jp> in [ruby-dev:36102]. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19160 b2dd03c8-39d4-4d8f-98ff-823fe69b080e