Sat Feb 26 08:18:45 PST 2011 * Ruby/GSL 1.14.7 * Fix conversion of non-DFLOAT NArray to GSL::Vector and GSL::Vector::Complex. Thu Feb 24 10:27:08 PST 2011 * Ruby/GSL 1.14.6 * Add Vector::Complex support to NArray conversions * Raise exception when trying to create View from NArray object of incompatible type. Sun Nov 14 17:01:07 PST 2010 * Ruby/GSL 1.14.5 * Convert docs from rdtool to rdoc * Fix object id handling bugs on 64-bit systems * Fix Vector's handling of Range parameters Wed Sep 29 00:37:44 BOT 2010 * Modification for ruby-1.9.2 * Replaced STR2CSTR to StringValuePtr Mon Mar 22 23:54:07 MDT 2010 * GSL-1.14 support * Added GSL::Multiset class * Added GSL::Function#glfixed(a, b table) Sun Aug 16 19:01:31 BOT 2009 * Added Non-negative Matrix Factorization (NMF) support (by Roman Shterenzon) Sat Aug 8 22:36:24 BOT 2009 * Added GSL-1.13 features: * Added GSL::Monte::Miser#params_get, GSL::Monte::Vegas#params_get * Added GSL::BSpline::greville_abscissa(i) * Added GSL::Poly#eval_derivs(x) * Added a new minimization algorithm "quad_golden" * Added a new multimin algorithm "nmsimplex2rand" Tue Jun 9 10:42:30 JST 2009 * Fixed bug in linalg.c (bug [#25842]) Thu Feb 2 12:16:38 JST 2009 * Fixed a bug in GSL::Histogram.alloc_uniform() (bug [#23040]) * Fixed a bug in GSL::Vector#/ (bug [#23334]) Thu Nov 6 17:34:18 JST 2008 * Match with the tensor extension version 0.99 * now not compatible for the versions older than tensor-0.97. Sat Jul 26 08:23:45 JST 2008 * GSL::Poly.eval now handles complex numbers (GSL-1.11) * Added new quasi-random generators "halton" and "reversehalton" * Added a module function GSL::MultiFit::linear_residuals() (GSL-1.11) * Fixed a bug in ODE solver Mon Jun 30 22:07:24 JST 2008 * Fixed GSL::Vector#normalize (#20865) Mon May 26 19:21:15 JST 2008 * Fixed a bug in GSL::Matrix::to_v (#19757) * Fixed a bug in GSL::Vector::Int multiplication (#19924) Sat Dec 8 23:44:47 2007 * Version 1.10.3 Tue Dec 2 16:30:15 2007 * Improved GSL::Vector#get for a Range arg * Improved GSL::Vector#concat for an Array arg * Fixed a bug in GSL::Matrix.alloc with column vector arguments Thu Dec 2 10:58:37 2007 * Added methods GSL::Vector#pow(p), GSL::Vector#pow!(p) Wed Oct 17 04:04:39 2007 * Fixed a bug in poly_source.c Sun Oct 7 14:18:31 2007 * Version 1.10.0 * ndlinear extension support Sat Sep 22 01:49:57 2007 Added GSL-1.10 features * Added generalized eigensystem methods * Added method GSL::Stats::correlation(v1, v2) to compute Pearson correlation of two datasets * Added methods GSL::Sf::expint_En(n, x), GSL::Sf::expint_En_e(n, x) for computing the n-th order exponential integral. * Added methods GSL::Vector#isnonneg, GSL::Vector#isnonneg?, GSL::Matrix#isnonneg, and GSL::Matrix#isnonneg? * Added methods GSL::Matrix#subrow, GSL::Matrix#subcolumn * Added methods GSL::Linalg::Chomplex::Cholesky::decomp, GSL::Linalg::Chomplex::Cholesky::solve, and GSL::Linalg::Chomplex::Cholesky::svx * Added method GSL::hypot3(x, y, z) Sat Aug 11 00:45:48 2007 * Modified ext/extconf.rb: Check gsl_stats_correlation() Sun Aug 5 15:46:51 2007 * Improved GSL::Vector::filescan() Tue May 15 13:35:49 2007 * Fixed a bug in Vector#get (Thank to Daigo Moriwaki) Sun Feb 18 00:08:15 2007 * Completed GSL-1.8.90 features * Change names "unsymm" ---> "nonsymm" for non-symmetric eigen systems * Added Mathieu functions * Added Vector#ispos, isneg * Added knuthran2002 generator * Added a new minimization method GSL::MultiMin::FdfMinimizer::BFGS2 Sun Dec 31 01:34:29 2006 * Remove the module function GSL::equal?, which breaks the Ruby policy. Sun Dec 24 16:51:34 2006 * Added Basis splines * CQP and Bundle extentions support Wed Dec 13 01:02:09 2006 * OOL extension support (OOL version 0.2) * OOL: Open Optimization Library Mon Dec 11 01:04:19 2006 * Add a quasi-random sequence generator hdsobol (require the qrngextra extension) Tue Sep 26 18:58:26 BOT 2006 * Fixed a bug in GSL::Vector#* Sun Sep 24 10:37:49 BOT 2006 * Fixed a bug in GSL::Matrix.vandermonde() * Added methods GSL::Vector#join, zip, cumsum, cumprod Thu Sep 21 20:03:39 BOT 2006 * Added methods to calculate eigenvectors of nonsymmetric matrices * Added test scripts tests/eigen/unsymm.rb, tests/eigen/unsymmv.rb Wed Aug 23 00:51:12 BOT 2006 * Added methods to calculate eigenvalues of nonsymmetric matrices Fri Aug 18 20:47:05 BOT 2006 * Fixed bug in Sf::hypot Sat Apr 29 12:29:10 JST 2006 * Applied patch provided by Cameron McBride, to fix a bug in randist.c * Applied patched by zunda to fix some test/ scripts. Thu Apr 13 22:21:02 JST 2006 * Version 1.8.0 * Added cumulative distribution functions under the module GSL::Cdf: binomial, poisson, geometric, negative binomial, pascal and hypergeometric. * Added module functions GSL::Cdf::beta_Pinv, beta_Qinv, fdist_Pinv, and fdist_Qinv. * Added the multilinear fit estimator function GSL::MultiFit::linear_est. * Added new random variate generators, GSL::Ran::gaussian_ziggurat and gamma_mt. * Added Debye functions for n=5 and n=6, as GSL::Sf::debye_5 and debye_6. * Added GSL::Spline#min_size * Added the Debye unit to physical constants. Fri Dec 2 19:05:30 JST 2005 * Singleton method "new" ---> "alloc" Sun Nov 27 14:01:12 JST 2005 * Apply patch by zunda to improve multifit. * Fix bug in dirac.c Tue Apr 3 JST 2005 * Added Vector#collect!, Matrix#collect! * Added lib/rbgsl.rb, in which the GSL module is not included by default Wed Apr 27 21:21:58 JST 2005 * The following Linalg methods now can handle NArray objects: * GSL::Linalg:: * LU.decomp(m) * LU.solve(lu, b) * LU.svx(lu, bx) * LU.det(lu, sign) * LU.lndet(lu) * LU.invert(lu, perm) * QR.decomp(m) * QR.solve(qr, tau, b) * QR.svx(qr, tau, bx) * SV.decomp(m) * SV.solve(u, v, s, b) * SV.svx(u, v, s, bx) * Cholesky.decomp(m) * Cholesky.solve(u, v, s, b) * Cholesky.svx(u, v, s, bx) * HH.solve(m, b) * HH.svx(m, bx) Mon Apr 18 23:27:16 JST 2005 * Improved gsl_narray.c (thanks to T. Horinouchi) * Modified extconf.rb * Automatic finding of NArray * Applied a patch by zunda Thu Apr 7 18:26:08 JST 2005 * Modified extconf.rb Mon Mar 21 23:17:56 JST 2005 * Version 1.6.2 Sat Mar 19 01:00:15 JST 2005 * Fixed Blas.dgemm, .zgemm * Fixed method re-definitions Tue Mar 15 23:20:15 JST 2005 * Added class GSL::Block::Byte, GSL::Block::Index * Added NArray-like methods, Vector#eq, ne, gt, where, any? etc. * Added methods Vector#floor, Vector#ceil, and Vector#round (if the system has) Sat Mar 12 14:49:47 JST 2005 * Fixed Vector#get Sat Feb 26 11:18:22 JST 2005 * Ruby 1.9.0 support Sat Feb 5 03:24:28 JST 2005 * Version 1.6.1 Wed Jan 26 23:28:07 JST 2005 * Added in-place FFT methods * Fixed FFT document Thu Jan 20 00:55:26 JST 2005 * Added Vector#decimate, Vector#diff * Added Matrix#rot90 * Fixed Matrix::Complex Thu Jan 06 18:46:02 JST 2005 * Some methods which receive GSL::Vector now can also manipulate NArray objects. * Special functions * Probability distributions * Statistics * FFTs * Wavelet transforms * Interpolations * Serices accelerations * Added method Vector#decimate * Sf::exp now can receive Complex or Vector::Complex Tue Jan 04 * Version 1.6.0 Thu Dec 30 04:34:14 JST 2004 Yoshiki Tsunesada * Update for GSL-1.5.90 * Added Sf::psi_1 * Added ODE stepper rk2simp * Added LQ, PTLQ decompositions * Added methods Cdf::exppow_P, Cdf::exppow_Q Mon Dec 27 22:19:55 JST 2004 Yoshiki Tsunesada * All Ruby/GSL classes are defined as derivatives of the base class GSL::Object. * Defined the method GSL::Object#info * Added Vector#histogram * Added Vector.filescan * Modified the methods Histogram#increment, accumulate * Added methods Poly.fit, Poly.wfit, MultiFit.polyfit * Added methods Vector::Complex#abs2, abs, arg * Modified FFT methods: now they return FFTed data as a new vector, and do not destroy the input vector. Sat Dec 11 21:45:30 JST 2004 Yoshiki Tsunesada * Modified Histogram#integral Fri Dec 10 14:28:38 JST 2004 Yoshiki Tsunesada * Added methods Histogram#reverse, Histogram2d#integrate, Histogram2d#normalize Mon Dec 6 01:15:03 JST 2004 Yoshiki Tsunesada * Version 1.5.4 Fri Dec 3 22:33:46 JST 2004 Yoshiki Tsunesada * Added Histogram#rebin Fri Nov 26 21:17:17 JST 2004 Yoshiki Tsunesada * Added method Vector#to_m * Added methods Matrix#reverse_rows, Matrix#reverse_columns Tue Nov 16 23:35:27 JST 2004 Yoshiki Tsunesada * The method Matrix#** is now obsolete, use "*" for matrix multiplication instead. * Improved Matrix#* and Vetor#* * Added methods Vector#to_m_diagonal, Vector#to_m_circulant, Vector#collect * Added methods Matrix.hilbert, Matrix.invhilbert, Matrix.pascal, Matrix.vandermonde, Matrix.toeplitz, Matrix.circulant * Added methods Vector.indgen, Vector#indgen, Matrix.indgen, Matrix#indgen (mimics NArray) * Added class GSL::Histogram3d * Checked GSL lower version compatibilities * gsl-1.0 ~ gsl-1.5: OK * gsl-0.9.4: OK * gsl-0.9.3 or older: not tested * gsl-1.6 (development version, CVS Nov2004): OK Sun Nov 7 00:56:11 JST 2004 Yoshiki Tsunesada * Support the gsl_tensor package * http://sources.redhat.com/ml/gsl-discuss/2004-q4/msg00053.html * Added class GSL::Tensor, GSL::Tensor::Int * The methods Vector#get, Vector#[] now receive multiple arguments, or an Array, or a Range object. Thu Nov 4 21:13:38 JST 2004 Yoshiki Tsunesada * Added class GSL::Histogram::Integral, which represents the cumulative distribution. * Added method GSL::Histogram#integrate, which creates a GSL::Histogram::Integral object. * Added methods GSL::Histogram2d#xproject, yproject, normalize, increment2. Sun Oct 31 02:34:28 JST 2004 Yoshiki Tsunesada * Fix the document for Polynomials * Added methods Poly::hermite(n), Poly::cheb(n), and Poly::cheb_II(n) etc.. * Added method Poly#compan, which returns the companion matrix. * The method Matrix#/ is improved: if a Vector is given, this method solves the linear system. Mon Oct 25 01:25:12 JST 2004 Yoshiki Tsunesada * Split the source file "randist.c" into "randist.c" and "cdf.c" * Split the source file "diff.c" into "diff.c" and "deriv.c" * Split the source file "interp.c" into "interp.c" and "spline.c" * Added methods Vector#abs, sqrt, square, normalize * Added sample scripts odeiv/frei1.rb, fft/frei2.rb and eigen/qhoscillator.rb, which deal with quantum mechanical calculations. These are translated from the C++ code in the Harald Wiedemann's textbook "Numerische Physik" (Springer 2004, ISBN 3-540-40774-X). Sat Oct 23 19:08:02 JST 2004 Yoshiki Tsunesada * Added a method GSL::Vector#logspace2. The following two are equivalent: v1 = Vector.logspace(1, 3, 5) v2 = Vector.logspace2(10, 1000, 5) Tue Oct 19 23:23:38 JST 2004 Yoshiki Tsunesada * Support the rngextra package * http://www.network-theory.co.uk/download/rngextra/ * Added two random number generators "rngextra_rng1" and "rngextra_rng2" * Fixed a bug in the method Vector#subvector_with_stride Mon Oct 18 22:22:21 JST 2004 Yoshiki Tsunesada * Added a sample script dht.rb Fri Oct 8 23:09:00 JST 2004 Yoshiki Tsunesada * Version 1.5.3 Thu Oct 7 22:47:59 JST 2004 Yoshiki Tsunesada * The methods Vector.graph and GSL::graph improved. * Added sample scripts of special functions and probability distribution functions. Sat Oct 2 23:13:49 JST 2004 Yoshiki Tsunesada * Discrete wavelet transform (experimental) * Presently this is only for CVS trackers, since DWT is not supported in the latest version GSL-1.5. * Added methods Vector.connect, Vector#connect Thu Sep 30 22:56:47 JST 2004 Yoshiki Tsunesada * The methods Vector#[] and Vector#[]= accept an index of negative integer. For example, v[-1] returns the last element of the vector v, v[-2] does the second last, and so on. Fri Sep 24 21:52:06 JST 2004 Yoshiki Tsunesada * Fixed bug in Sf::legendre_Ql Wed Sep 1 19:02:42 JST 2004 Yoshiki Tsunesada * Version 1.5.2 Fri Aug 27 03:18:46 JST 2004 Yoshiki Tsunesada * Experimental implementation of GNU plotutils graph and GNUPLOT interfaces * Added unary minus operators for GSL::Vector, GSL::Matrix Thu Aug 19 14:28:08 JST 2004 Yoshiki Tsunesada * Added class GSL::Matrix::Int * Correct descriptions of GSL::Matrix#get_row, get_col * Changed behaviour of methods NArray#to_gv, NArray#to_gm, added methods NArray#to_gv_view, NArray#to_gm_view Wed Aug 18 02:38:20 JST 2004 * Added method GSL::set_error_handler Tue Aug 17 20:59:39 JST 2004 * Version 1.5.1 Sat Aug 14 16:27:05 JST 2004 Yoshiki Tsunesada * Changed behaviour of the methods Odeiv::Evolve#apply, Odeiv::Solver#apply * Fixed bug in GSL::Histogram#get * Fixed buf in GSL::Vector#matrix_view_with_tda * Added class GSL::Vector::Int * Added test suite Wed Aug 11 14:39:17 JST 2004 Yoshiki Tsunesada * Fixed bug in GSL::Sf::legendle_Ql_e * Fixed bug in GSL::MultiFit.linear Tue Aug 10 10:31:21 JST 2004 Yoshiki Tsunesada * Fixed bugs in GSL::Cdf::gumbel2_P, gumbel2_Q * Version 1.5.0 Fri Aug 6 00:58:29 JST 2004 Yoshiki Tsunesada * Fixed bug in Histogram2d.new_uniform 4.Aug.2004 * Correct source code errors in interp.c, multifit.c 2.Aug.2004 * Added methods GSL::Vector#dot (inner product) * Added classes GSL::Vector::Col < GSL::Vector, GSL::Vector::Col::View < GSL::Vector::Col 1.Aug.2004 * Version 0.9.9 30.Jul.2004 * Added methods GSL::Rng.default_seed, GSL::Rng.default_seed=(seed) 26.Jul.2004 * Cumulative distribution functions * Changed module path GSL::Ran:: ---> GSL::Cdf * Constants GSL::VERSION, GSL::RUBY_GSL_VERSION defined 24.Jul.2004 * Experimental implementation of discrete wavelet transforms (tests/wavelet) 22.Jul.2004 * Elementary functions as GSL::sin now can take argument of Integer, Float, Array, Vector or Matrix. * Strict type check 20.Jul.2004 * Added methods GSL::heapsort, Vector#heapsort, Vector::Complex#heapsort * Added methods GSL::heapsort_index, Vector#heapsort_index, Vector::Complex#heapsort_index * version 0.9.4 18.Jul.2004 * Added missing functions GSL::Sf::legendre_Ql * Added missing functions GSL::Sf::psi_e * Added missing functions GSL::Sf::zetam1, zetam1_int 17.Jul.2004 * Added GSL::Eigen::Symmv::sort, GSL::Eigen::Hermv::sort * Update GSL::Monte 15.Jul.2004 * Version 0.9.2 * Added methods Matrix#each_row, Matrix#each_col * Added methods Matrix::Complex#each_row, Matrix::Complex#each_col * Fixed bug in Complex::polar * Fixed bug in Complex#abs, arg, abs2, logabs 13.Jul.2004 * Added Matrix#trace, Matrix::Complex#trace 11.Jul.2004 * version 0.9.0 * Householder Transformations * LU decomposition for complex matrices * All the GSL functions implemented. 10.Jul.2004 * Blas level 3 * Fixed GSL::Vector::sort_index 8.Jul.2004 * Correct document on random distributions 7.Jul.2004 * Fixed bug in the method GSL::Sf::coulomb_wave_sphF_array 6.Jul.2004 * GSL 1.5 support * Fixed a bug in the method GSL::Sf::bessel_sequence_Jnu_e 5.Jul.2004 * Compile test with -Wall option: * remove unused variables, check missing prototype declarations * Fixed a bug in the method GSL::Multimin::test_size (wrong binding) 30.Jun.2004 * ver 0.4.7 28.Jun.2004 * Switch rb_f_lambda() and rb_block_proc(), for proper ruby version. 20.Jun.2004 * Added Linalg::balance_comlumns(A, D) and Matrix#balance_columns(D) * BLAS support * Level 1 * Level 2 19.Jun.2004 * Support gsl-1.4.90 * Added Stefan-Boltzmann constant, Thomson scattering cross section * Module Deriv 13.Jun.2004 * Fixed a bug in the sample script integration/friedmann.rb * Improved interfaces of polynomial equations * Correct the document on GSL::Complex 10.Jun.2004 * ver 0.4.2 * The module GSL::Math removed * The module name GSL::Const is changed to GSL::CONST 09.Jun.2004 * ver 0.4.1 * Add random number generators borosh13, coveyou, fishman18, fishman20, fishman2x, knuthran, knuthran2, lecuyer21, waterman14. * Correct the documentation on random number generators * Add functions expint_E1_scaled,expint_E2_scaled, and others * Add methods Rng::fwrite, fread * Add function binomial_tpe 05.Jun.2004 * 0.4.0 02.Jun.2004 * rb_gc_mark * Implemented simulated annealing, Ntuples 25.Apr.2004 * Vector, Matrix, Matrix::Complex coerce 24.Apr.2004 version 0.3.11 * GSL::Complex, coerce 22.Apr.2004 version 0.3.10 * polish sources of special functions 18.Apr.2004, version 0.3.9 * bug fix Eigensystems, Interpolation 16.Apr.2004 * bug fix Vector, Matrix, Linalg 14.Apr.2004, version 0.3.8 * N-tuples * Improvement in NArray object conversions (thanks to S. Nishizawa) 13.Apr.2004 * Poly divided-difference reporesentation, Taylor expansion * Apply patch by S. Nishizawa, for type checks in C code, and some modifications in sample scripts 12.Apr.2004, version 0.3.7 * Add mathematical functions ldexp, frexp * Add gsl_sf_hazard function * QRng bug fix * GSL::Stats module version 0.3.6 Monte-Carlo integration version 0.3.5 Multidimensional minimization version 0.3.4 Combinations, One dimensional minimization, Multidimensional root-finding version 0.3.3 Nonlinear least-squared fitting versoin 0.3.2 Least-squared fitting version 0.3.1 One dimensional root-finding version 0.3.0 FFTs, Ordinary differential equations 2002 version 0.2.5