2013-02-27 Masahiro TANAKA <masa16.tanaka@gmail.com>

* Rakefile: use rubygems/package_task.
* narray.gemspec: add --exclude in rdoc_options.
* ver 0.6.0.8

2013-02-26 Masahiro TANAKA <masa16.tanaka@gmail.com>

* test/ld.rb: add require "rubygems".
* narray.gemspec: change gem directory from src to ext.
* narray.c: avoid warnings in require "complex" and rdoc parsing.

2013-02-13 Masahiro TANAKA <masa16.tanaka@gmail.com>

* lib/narray_ext.rb: new method: NArray.cast

2013-02-01 Masahiro TANAKA <masa16.tanaka@gmail.com>

* lib/narray_ext.rb: eql? hash methods implemented.
* ver 0.6.0.7

2013-01-31 Masahiro TANAKA <masa16.tanaka@gmail.com>

* na_raondom.c: unuse u_int16_t
* mknafunc.rb, mkmath.rb, mkop.rb, na_linalg.c:
  bug: duplicated definition of asinh/acosh/atanh,
  typecast warning (mingw/mswin)
* ver 0.6.0.6

2013-01-30 Masahiro TANAKA <masa16.tanaka@gmail.com>

* narray.c (na_check_class_narray):
  use Module#<= instead of rb_mod_ancestors
* na_random.c, na_linalg.c:
  avoid warnings of signed <=> unsigned comparison
* ver 0.6.0.5

2012-12-07 geoffyoungs

* narray.c (na_check_class_narray):
  Use ruby methods to check class ancestors,
  instead of m_tbl directly
* ver 0.6.0.2

2012-09-20 Masahiro TANAKA <masa16.tanaka@gmail.com>

* lib/narray_ext.rb (reverse,rot90): new method

2012-09-01 ohai

* lib/narray_ext.rb: Change NMath#recip into a module function.

2011-08-29 Masahiro TANAKA <masa16.tanaka@gmail.com>

* narray.c (na_alloc_struct): check array size (zero/negative).
* ver 0.6.0.1

2011-08-27 Masahiro TANAKA <masa16.tanaka@gmail.com>

* narray.c (na_alloc_struct): check array size (overflow).
* extconf.rb (#install_rb): --export-all option for mingw.
* ver 0.6.0.0

2011-02-04 Masahiro TANAKA <masa16.tanaka@gmail.com>

* na_func.c (na_prod, na_prod_body, na_cumprod, na_cumprod_bang):
  New method.

2010-01-04 David MacMahon <davidm at astro.berkeley…>

* mkop.rb, na_func.c, na_linalg.c, narray_local.h:
Add NArray#mod! method
Also adds NArray#mod as an alias for NArray#%.

2010-01-04 David MacMahon <davidm at astro.berkeley…>

* mkop.rb: Fix divide-by-zero bug in % operator
Prior to this fix, the following would crash Ruby with a floating point
exception (at least on Mac OS X 10.6)...
  1 % NArray[0]
Now that code raises ZeroDivisionError which can be rescued.

2010-01-04 David MacMahon <davidm at astro.berkeley…>

* Rakefile: Add Rakefile for easy gem creation
Just run "rake gem" to create the gem file in the pkg/ subdirectory.
Added .gitignore file to ignore pkg/ subdirectory.

2011-01-04 sgwong

* extconf.rb: failure due to the change of
  $DLDFLAGS in ruby1.9

2010-12-14 Masahiro TANAKA <masa16.tanaka@gmail.com>

* lib/nmatrix.rb (NMatrix#diagonal!):
  - failed due to spec change of NArray.to_na.
    Thanks to M. Kikkawa.
* ver 0.5.9p9

2010-09-13 David MacMahon <davidm at astro.berkeley…>

* narray.c (na_where2):
  - Convert to NA_BYTE by calling "obj.ne(0)"
* ver 0.5.9p8

2010-07-12 Masahiro TANAKA <masa16.tanaka at gmail.com>

* narray.c (na_s_to_na):
  - improve argument check in NArray.to_na

2010-04-30 Masahiro TANAKA <masa16.tanaka at gmail.com>

* narray.c (na_s_to_na):
  - the number of arguments was not checked.
    Thanks to S D for report.

2010-01-16 Masahiro TANAKA <masa16.tanaka at gmail.com>

* na_index.c (na_index_analysis):
  - access out-of-bounds "struct slice" array.
* SPEC.en, SPEC.ja:
  - fix wrong explanation in count_false/true.
* na_random.c (na_random):
  - modify random method not to change itself.
* lib/narray_ext.rb:
  - modify randomn! method to replace itself.
    Thank Yusuke ENDOH for report and comments.

2009-06-14 Masahiro TANAKA <masa16.tanaka at gmail.com>

* narray.h:
  include sys/stdint.h rather than sys/types.h
  for C99 confomance
* ver 0.5.9p7

2009-05-20 Masahiro TANAKA <masa16.tanaka at gmail.com>

* lib/narray_ext.rb (mean, stddev,rms,rsmdev,covariance):
  - swith to DFLOAT type if integer array.
  - thanks to Philip Silva for report.

2009-03-11 Masahiro TANAKA <masa16.tanaka at gmail.com>

* na_index.c (na_aset_single_dim):
  - add check of storing empty array.
  - thanks to NISHI Takao for report.

2008-11-05 Masahiro TANAKA <masa16.tanaka at gmail.com>

* work with ruby 1.9.1 preview1
  - use RARRAY_*** macros instead of struct RArray.
  - follow changes in Complex feature.
  - change oprator arg of coerce_rev func : id -> symbol
  - modify test scripts.

* na_array.c (na_do_mdai):
  - bug fix in counting narray's rank.

* ver 0.5.9p6

2008-06-10 Masahiro TANAKA <masa16.tanaka at gmail.com>

* bench/: new sophisticated benchmark script.

* ver 0.5.9p5

2008-05-27 Jose M <braket at hotmai…>

* na_array.c, na_index.c, na_random.c, na_func.c:
* na_linalg.c, narray.c, mkmath.rb, mkop.rb:
  change var++ to ++var: make NArray perform faster.

2008-05-24 Hiroki Motoyoshi <himotoyoshi at yahoo.co…>

* mkmath.rb:
  fix bug in powOO.

2008-04-02 David MacMahon <davidm at astro.berkeley…>

* na_func.c:
  new methods: conj!, conjugate!

2008-01-11 David MacMahon <davidm at astro.berkeley…>

* lib/narray_ext.rb (stddev):
  fix for complex NArrays.
* lib/narray_ext.rb (rms, rmsdev):
  new methods.

2008-01-28 Masahiro TANAKA <masa16.tanaka at gmail.com>

* na_array.c (na_range_to_sequence, na_do_mdai):
* na_index.c (na_index_range):
  change in internal structure of Ruby 1.9 Range object.
  Thanks to Hargobind Khalsa.

* ver 0.5.9p4

2007-12-27 Masahiro TANAKA <masa16.tanaka at gmail.com>

* narray_local.h, narray.c, na_array.c:
  use RSTRING_PTR, RSTRING_LEN for Ruby 1.9.0.

* ver 0.5.9p3

2007-12-11 Masahiro TANAKA <masah16.tanaka at gmail.com>

* mkop.rb:
  omit precision in format "%g" for InspS/D/X/C.
  Thanks to Shigenori OTSUKA at kyoto-u.

* ver 0.5.9p2

2007-10-09 David MacMahon <davidm at astro.berkeley…>

* narray.h, mkop.rb:
  bug in NArray::NARRAY_VERSION and InspX.

2006-08-09 Masahiro TANAKA <masahiro.tanaka at nao.ac.jp>

* na_fftw.c, extconf.rb, narray.c (Init_narray):
  Remove FFTW2 support; it is a separete module.

* ver 0.5.9

2006-08-08 Masahiro TANAKA <masahiro.tanaka at nao.ac.jp>

* na_index.c (na_index_test, na_aset_single_dim):
  `nv[1] = nu' should work if nv and nu are NVector.
  `NA_IsNArray(nu)' is used for checking NArray.
  Thanks to sun@titech.

2006-08-08 Masahiro TANAKA <masahiro.tanaka at nao.ac.jp>

* narray_local.h, mknafunc.rb (mksortfuncs):
  Argument type of comparison function passed to
  qsort should be `const void *'.
  Thank Daniel Berger for report.

2006-07-30 Masahiro TANAKA <masahiro.tanaka at nao.ac.jp>

* narray.h, narray.c:
  Do not declare external variables of
  cNArray, na_sizeof in narray.c.
  Thank Daniel Berger for report.

2006-03-22 Masahiro TANAKA <masahiro.tanaka at nao.ac.jp>

* lib/narray_ext.rb (mean, stddev):
  Fix to work with NVector/NMatrix classes.
  Thank Stephen Hill for report.

2005-09-13 Charlie Mills <Charlie.Mills@m…>

* mkop.rb, na_func.c, narray_local.h:
  Make NArray#eq more robust.

2005-08-05 Masahiro TANAKA <masahiro.tanaka at nao.ac.jp>

* mkmath.rb (na_math_func):
  Bug: In NMath functions, Float class arguments have been
   converted to SFLOAT type.  Thank Yuhei Kuratomi for his report.
  Spec Change: Calculate and return as DFLOAT type
   if an integer argument is given to NMath functions.

* na_func.c (na_math_atan2):
  NMath.atan2() accepts other objects than NArray class.
  Treat as DFLOAT for integer arguments.

* ver 0.5.8

2005-01-25 Masahiro TANAKA <masahiro.tanaka at nao.ac.jp>

* na_array.c (na_ary_to_nary_w_type):
  Bug: "type" is not initialized when an array is empty.

2005-01-07 Masahiro TANAKA <masahiro.tanaka at nao.ac.jp>

* narray.h: #define NARRAY_VERSION  NARRAY_VERSION_CODE

* narray.c: new constant: NArray::NARRAY_VERSION

2004-11-10 Masahiro TANAKA <masahiro.tanaka at nao.ac.jp>

* na_random.c:
  Fix infinite loop due to gcc bug?;
  "int32_t x; x>>=32;" unvaried although 0 expected.
  Thanks to David G. Andersen.

* lib/narray_ext.rb (randomn):
  Raise error if NArray type is other than float.

* ver 0.5.7p4

2004-09-22 Masahiro TANAKA <masahiro.tanaka at nao.ac.jp>

* nimage/nimage.c:
  Argument type of rb_str2cstr is changed.
  Use RSTRING()->ptr & RSTRING()->len.
  Thanks to Ara Howard.

2004-06-28 KOSHIRO Tsuyoshi <koshiro rish.kyoto-u.ac.jp>

* extconf.rb: generate libnarray.a for Cygwin + Ruby 1.8.1.

* ver 0.5.7p3

2004-02-19 Masahiro TANAKA <masahiro.tanaka at nao.ac.jp>

* na_array.c (na_free_mdai):
  memory free bug: xfree(mdai->type); added.

* ver 0.5.7p2

2004-01-04 Masahiro TANAKA <masa@ir.isas.ac.jp>

* extconf.rb: narray.h, narray_conf.h was not installed on ruby-1.8.x

* narray.c: NArray-GC is disabled.

* nimage/nimage.c, test/testwhere.rb, speed/[mybench.rb,mul_rep.rb]:
  fix ruby-1.8.x incompatibility

* ver 0.5.7p1

2003-03-04 Masahiro TANAKA <masa@ir.isas.ac.jp>

* narray.c (na_alloc_struct):
  NArray-specific GC is enabled for ruby-1.8.0.

* ver 0.5.7

2003-03-03 Masahiro TANAKA <masa@ir.isas.ac.jp>

* na_random.c: created.

* lib/narray_ext.rb (rank_total):
 Array#indices is obsolete. use Array#select.
 Default `to_a' will be obsolete.

* lib/nmatrix.rb: Object#type is obsolete. use Object#class.

2003-03-01 Masahiro TANAKA <masa@ir.isas.ac.jp>

* narray_ext.rb (swap_byte,hton,htov): removed.
* mkop.rb, mknafunc.rb, na_func.c, narray_local.h:
  add C-version of swap_byte, hton, htov.

2003-02-28 Masahiro TANAKA <masa@ir.isas.ac.jp>

* extconf.rb: do not add "--output-lib libnarray.a"
  to link options if Cygwin with Ruby 1.8.0.
  Thank MoonWolf for the note.

2002-11-25 Masahiro TANAKA <masa@ir.isas.ac.jp>

* na_func.c (na_cumsum_bang,na_cumsum_): created.
  Thank Jon Davidson for the proposal.

2002-09-15 Masahiro TANAKA <masa@ir.isas.ac.jp>

* na_array.c (na_do_mdai):
  Index is not `i' but `j' in recursive array check.
  Thank Ara Howard for the bug report.

2002-05-30 WATANABE Hirofumi <eban at os.rim.or.jp>

* extconf.rb: to build in another directory than source tree.
* depend: ditto.

2002-05-18 Masahiro TANAKA <masa@ir.isas.ac.jp>

* lib/narray_ext.rb (NArray#==): return false unless other is NArray.

* narray.h, narray_local.h, narray.c:
  move na_sizeof variable from narray_local.h to narray.h.
  const keyword added.  Thanks to Horinouchi-san.
* narray.c (na_get_typecode): change to public method.
* narray.c (na_sizeof,na_typestring): const keyword added.
* mkop.rb : ditto.
* na_func.c (na_unary_func): ditto.
* mkmath.rb : dismiss sincos()

2002-04-11 Masahiro TANAKA <masa@ir.isas.ac.jp>

* mkmath.rb (asinh,acosh,atanh): better precision.

2002-04-10 Masahiro TANAKA <masa@ir.isas.ac.jp>

* mkop.rb (SetFucs): should use INT2NUM to extract 32-bit int.
 Thanks to Kozuka-san.

2002-03-26 Masahiro TANAKA <masa@ir.isas.ac.jp>

* narray.def: remove unused entry. Thanks to Watanabe-san.

2002-03-24 Masahiro TANAKA <masa@ir.isas.ac.jp>

* na_array.c:
  New multi-dimentional array investigation is introduced.
  Scan array only once and check recursive array.

* narray.h, narray_local.h:
  Local definisions in narray.h are moved into narray_local.h.

* ver 0.5.6

2002-03-17 Masahiro TANAKA <masa@ir.isas.ac.jp>

* nmatrix.rb (NMatrix#*): accept Array as an argument.

2002-02-26 Masahiro TANAKA <masa@ir.isas.ac.jp>

* na_array.c (na_copy_ary_to_nary): accept Range as a sequence.

2002-02-06 Masahiro TANAKA <masa@ir.isas.ac.jp>

* narray.c, na_func.c, na_index.c, na_linalg.c, na_fftw.c, mkmath.rb:
  add volatile keyword instead of na_touch_object() function.

2002-01-25 Masahiro TANAKA <masa@ir.isas.ac.jp>

* na_array.c (na_to_array0): Bug: GC fails if ary->len is set
  in advance.  Thanks to Bil Kleb.

2001-12-30 Masahiro Tanaka <masa@ir.isas.ac.jp>

* extconf.rb: Modify install_rb to install narray.h, narray_config.h.
* na_index.c (na_aref,na_aset):
  Mask support.  Thanks to T.Horinoichi.
* mkop.rb: Mask functions added.
* narray.h: Macros added.
* narray.def: created.

* ver 0.5.5

2001-11-20 Takeshi Horinouchi <horinout at kurasc.kyoto-u.ac.jp>

* narray.c (na_get_typecode): Bug: "!" needed at strncmp.
* Mask support in [], []=.
  na_aref/aset_mask(), na_count_true/false() added.
  Methods mask, count_true, count_false added.
* test/testmask.rb: created.

2001-07-01 Masahiro Tanaka <masa@ir.isas.ac.jp>

* narray.h: introduce na_index_t.
* na_func.c (na_init_slice,na_loop_index_ref,na_loop_general):
  change to na_index_t.
* na_index.c: modify EXCL(range) to use excule_end?.
* na_index.c (na_aref_single_dim): remain array if sl->step!=0.
  i.e., a[0..0] results in 1-element array.
* na_func.c (Init_na_funcs): alias image, arg, conjugate.

* ver 0.5.4

2001-06-30 Masahiro Tanaka <masa@ir.isas.ac.jp>

* extconf.rb: check sys/typedef.h, u_int8_t, int16_t, int32_t.
  generating narray_config.h.
* narray.h: conditional typedef. define NARRAY_H.
* na_func.c (Init_na_funcs): change == to eq. add gt,ge,lt,le.
* lib/narray_ext.rb: new entry: ==, all?, any?, none?.

* mkop.rb: new entry: conditional XOR.
* na_func.c (na_cond_xor): ditto.
* narray.h: ditto.

2001-06-05 Masahiro Tanaka <masa@ir.isas.ac.jp>

* na_index.c (na_aref_body): NVector#[] should return NVector
  class even when single argument of range/array.
  Thanks to Daishi Harada.
* narray.h (na_class_dim): delete redundant ";"
* extconf.rb: delete config_dir("narray"), add dir_config("fftw").

2001-06-04 Masahiro Tanaka <masa@ir.isas.ac.jp>

* na_index.c (na_aref_multi_dim_single_elm):
  do not change class even if a[0..0,0..0] for NMatrix.
  Thanks to Daishi Harada.
* narray.c (na_inspect): rb_str_cat(str,": \n",4);
  not 4, but 3. Thanks to Matju.

2001-05-11 Masahiro Tanaka <masa@ir.isas.ac.jp>

* nimage/extconf.rb: add dir_config("x11"). rm have_header.

2001-04-10 Masahiro Tanaka <masa@ir.isas.ac.jp>

* narray.h: exclude typedef int32_t,int16_t,u_int8_t for Mac OS X.
  Thanks to T.Yamamoto.
* mkmath.rb (atan,atanh): avoid non-constant initializer for complex.

2001-04-03 Masahiro Tanaka <masa@ir.isas.ac.jp>

* na_array.c (na_search_rank): ignore empty array.
* na_array.c (na_copy_ary_to_nary): ignore empty array and nil.
* ver 0.5.3

2001-04-02 Masahiro Tanaka <masa@ir.isas.ac.jp>

* narray.c (na_to_s): bug: na_sizeof[] is necessary.
  Thank matju for report.

2001-01-29 Masahiro Tanaka <masa@ir.isas.ac.jp>

* mkop.rb (Angl): added.
* na_func.c (na_angle): added.  Thank M.Tagusai for proposal.
* ver 0.5.2

2001-01-21 Masahiro Tanaka <masa@ir.isas.ac.jp>

* mkop.rb, mkmath.rb: loop-end condition changed from n>0 to n.
  5% speed up for multiplication of double.

2001-01-20 Masahiro Tanaka <masa@ir.isas.ac.jp>

* mkop.rb (DivU,DivB): raise error if divided by 0.

2001-01-19 Masahiro Tanaka <masa@ir.isas.ac.jp>

* mkop.rb (round): bug: has omitted the case of 0.

2001-01-18 Masahiro Tanaka <masa@ir.isas.ac.jp>

* narray.c (na_is_empty): added.
* na_func.c (na_exec_unary,na_exec_binary,na_make_object_extend):
  enable operation of empty array.

2001-01-17 Masahiro Tanaka <masa@ir.isas.ac.jp>

* na_index.c (na_aset_array_index): allow a[[]]=1.

2001-01-14 Masahiro Tanaka <masa@ir.isas.ac.jp>

* na_index.c (na_ary_to_index): bug: should raise error if < -n.

2001-01-13 Masahiro Tanaka <masa@ir.isas.ac.jp>

* na_func.c (na_unary_func): should call func of self-type.
  Thanks to Matju.

2001-01-06 Masahiro Tanaka <masa@ir.isas.ac.jp>

* narray.c (na_s_new_int): check argc==0. Thanks to Matju.

2000-12-10 Masahiro Tanaka <masa@ir.isas.ac.jp>

* ver 0.5.1

2000-12-11 Masahiro Tanaka <masa@ir.isas.ac.jp>

* narray.c (na_alloc_struct): cope with empty array.
* na_func.c (na_exec_unary,na_shape_max_2obj): empty check.

2000-12-10 Masahiro Tanaka <masa@ir.isas.ac.jp>

* narray.c (na_random): disable initalizing seed.
* na_touch_object created.
* free -> xfree.  Thanks to Naoki Matsumoto.

2000-12-07 Masahiro Tanaka <masa@ir.isas.ac.jp>

* ver 0.5.0.p2

* fix problems for VC++. Thanks to Naoki Matsumoto.
* mkmath.rb: create asinh, acosh, atanh missing in VC++.
* mkop.rb (TpErrI): return int after rb_raise().
* narray.h: max() -> NA_MAX(), swap() -> NA_SWAP().
* narray.c (na_get_typecode): return int after rb_raise().
* na_func.c (na_sort,na_sort_index): fix function decl. for qsort.

2000-12-01 Masahiro Tanaka <masa@ir.isas.ac.jp>

* ver 0.5.0.p1

* lib/nmatrix.rb (NVector#+,-): should change Class to NArray
  before calling super.  Thanks to Kenya OGATA.

* na_index.c (EXCL): follow the change of EXCL() in 1.6.2.
  Thanks to Robert Feldt.

2000-11-25 Masahiro Tanaka <masa@ir.isas.ac.jp>

* ver 0.5.0
* No Log between 0.5.0 and 0.3.5.p1. Sorry.

2000-10-14 Masahiro Tanaka <masa>

* narray.c (na_wrap_struct_class): na_mark_ref, na_mark_obj.

2000-10-05 Masahiro Tanaka <masa>

* nmatrix.rb: created.

* too many changes are applied to source codes. ^^;

2000-10-03 Masahiro Tanaka <masa>

* na_index.c (na_shrink_rank): created for general purposes.

* narray.c (na_reshape): use new na_shrink rank.
  recognize "true" argument.

* lib/narray_ext.rb: use new feature of reshape

2000-10-02 Masahiro Tanaka <masa>

* na_index.c (na_make_slice_aset_fill): created.

* lib/narray_ext.rb (flatten): no more use dup.

* na_func.c (na_s_mul_sum): created.

* narray.c (na_wrap_struct): wrap with referring class.
(na_ref_alloc_struct): created.
(na_reshape_ref,na_newrank_ref): created.
(na_inspect): print class name.

* narray.h: add "VALUE obj" elmt to "struct NARRAY".

2000-09-29 Masahiro Tanaka <masa>

* mkopfunc.rb (mulacmfunc): created.

* mkfuncs.rb: rewrite with %w().
(mktrifunc): renamed from mkcmpfunc. accept block.

* na_loop.c (na_slice_set_extend): change arguments.

* na_func.c (na_mul_acm,na_shape_max_3obj): created.
(na_exec_trifunc_extend): a1 can be shrinkable.

2000-09-28 Masahiro Tanaka <masa>

* lib/narray_ext.rb (is_ineger?,is_complex?):
  -> ineger?, complex?.

2000-09-27 Masahiro Tanaka <masa>

* na_index.c (na_index_analysis): add false dimension.

* narray.c (na_clone): renamed from ns_dup.

2000-09-04 Masahiro Tanaka <masa>

* ver 0.3.5.p1

* narray.c, na_array.c, na_func.c, narray.h, mknmath.rb
  remove unused variables and functions. (-Wall check)
  (Thanks to Robert Feldt)

* lib/narray_ext.rb (convol): put in module FFTW.
  (Thanks to Robert Feldt)

2000-09-01 Masahiro Tanaka <masa>

* ver 0.3.5

* narray.c (na_random): remove `seed' argument.  add rand().

2000-08-25 Masahiro Tanaka <masa>

* lib/narray_ext.rb: create randomn (Box-Muller).

2000-08-23 Masahiro Tanaka <masa>

* na_index.c (aref, aset): categolize procedures with arguments.

2000-08-02 Masahiro Tanaka <masa>

* lib/narray_ext.rb: create FFTW.convol.

2000-08-01 Masahiro Tanaka <masa>

* na_index.c (na_aref_array_index): bug fix: free index memory.

2000-07-28 Masahiro Tanaka <masa>

* ver 0.3.4

* mkcmpfunc.rb : remove <=> with complex.  add ~.

* mkopfunc.rb, na_func.c: add &, |, ^.

2000-07-27 Masahiro Tanaka <masa>

* mknmath.rb, lib/narray_ext.rb: add covariance.

* mkopfunc.rb (data_mod): add imag=.

* mksetfunc.rb: add im (ImagMul).

* mknmath.rb, lib/narray_ext.rb: add trigonometric functions.

2000-07-26 Masahiro Tanaka <masa>

* na_func.c (na_exec_math_func): extract object if argument is
  non-array.

* lib/narray_ext.rb: add mean, stddev.

2000-07-21 Masahiro Tanaka <masa>

* na_index.c (na_aset): bug fix for empty index, etc.

* na_func.c (na_shape_check): raise error if empty array.
(na_sum_body,na_min,na_min,na_transpose): better arg-parse.
(na_arg_to_rank,na_accum_set_shape,na_accum_shrink_rank):
  created.

2000-07-20 Masahiro Tanaka <masa>

* narray.c (na_str_to_na): more size check.

* na_index.c (na_aset): allow if src-ary has smaller dims.

* narray.c (na_to_narray): moved from na_array.c

* lib/narray_ext.rb: created. swap_byte, hton etc.

* narray.c (Init_narray): change type=>typecode.
  add NArray.dfloat, NArray::DFLOAT etc.
  add element_size, to_binary, to_type_as_binary.

2000-07-18 Masahiro Tanaka <masa>

* na_loop.c (na_loop_general): created. na_loop_index is obsolete.

2000-07-17 Masahiro Tanaka <masa>

* na_func.c (na_sum_body,na_accum): created.

* na_index.c (na_slice): created.

* na_index.c (na_aref,na_aset): if the argument is an array,
  methods [],[]= return same shape as the array.  e.g,
  a[[[0,1],[2,3]]] creates 2-D array.

* na_index.c
  (na_serialize_struct,na_aref_aryindex,na_aref_single): Created.

2000-07-16 Masahiro Tanaka <masa>

* na_func.c (na_transpose_bifunc,na_transpose),
  test/testtrans.rb: Created.

2000-07-15 Masahiro Tanaka <masa>

* ver 0.3.3

* na_func.c (na_sort,na_sort_index,na_sort_number): Created.

* mkfuncs.rb (mksortfunc): Created.

* test/testsort.rb: Created.

2000-07-14 Masahiro Tanaka <masa>

* narray.c (Init_narray), narrah.h:  introduce NArrayScalar class.

* narray.c (na_coerce), na_func.c (na_bifunc):  better casting.

2000-07-11 Masahiro Tanaka <masa>

* mk*.rb, depend: include code-generating scripts in distribution.

* na_func.c, mkopfunc.rb: rename sub! => sbt!.

* mkfuncs.rb: fix to work for Ruby ver 1.5.4.

2000-07-10 Masahiro Tanaka <masa>

* na_array.c: rename na_to_narray1 to na_ary_to_narray

* na_array.c: reduce GC problem; delay registration of objects.
  change return value of na_to_narray0
  from VALUE to struct NARRAY *
  reflect in na_ary_to_na, na_ary_to_na, na_ary_to_narray.

* narray.h: add GetOrMakeNArray(obj,ary), FreeMadeNArray(obj,ary)

* narray.c, na_index.c, na_func.c, na_fftw.c:
  change na_to_narray0 to GetOrMakeNArray/FreeMadeNArray.

* narray.c (na_free): free memory of itself structure.

* narray.c (na_mark): pass pointer to rb_gc_mark.

* na_array.c (na_make_inspect): return if total<0.

* na_index.c (na_ary_to_index, na_aref, na_aset):
  judge whether empty array.

* naimage/demo/mandel.rb: Now no need for checking size.

* test/testindex*.rb: print more description.

2000-07-05 Masahiro Tanaka <masa>

* ver 0.3.2

* Create NImage library

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