Mercurial > octave-nkf
view liboctave/numeric/oct-rand.h @ 17822:ebb3ef964372
maint: Use common #define syntax "octave_filename_h" in h_files.
* libgui/src/dialog.h, libgui/src/find-files-dialog.h,
libgui/src/find-files-model.h, libgui/src/m-editor/file-editor-tab.h,
libgui/src/m-editor/octave-qscintilla.h, libgui/src/main-window.h,
libgui/src/octave-dock-widget.h, libgui/src/workspace-model.h,
libgui/src/workspace-view.h, libinterp/corefcn/Cell.h,
libinterp/corefcn/gl-render.h, libinterp/corefcn/gl2ps-renderer.h,
libinterp/corefcn/graphics.in.h, libinterp/corefcn/oct-errno.h,
libinterp/corefcn/oct-fstrm.h, libinterp/corefcn/oct-handle.h,
libinterp/corefcn/oct-hdf5.h, libinterp/corefcn/oct-hist.h,
libinterp/corefcn/oct-iostrm.h, libinterp/corefcn/oct-lvalue.h,
libinterp/corefcn/oct-prcstrm.h, libinterp/corefcn/oct-procbuf.h,
libinterp/corefcn/oct-stdstrm.h, libinterp/corefcn/oct-stream.h,
libinterp/corefcn/oct-strstrm.h, libinterp/corefcn/octave-link.h,
libinterp/corefcn/pt-jit.h, libinterp/octave-value/ov-base-diag.h,
libinterp/octave-value/ov-base-int.h, libinterp/octave-value/ov-base-mat.h,
libinterp/octave-value/ov-base-scalar.h,
libinterp/octave-value/ov-base-sparse.h, libinterp/octave-value/ov-base.h,
libinterp/octave-value/ov-bool-mat.h, libinterp/octave-value/ov-bool-sparse.h,
libinterp/octave-value/ov-bool.h, libinterp/octave-value/ov-builtin.h,
libinterp/octave-value/ov-cell.h, libinterp/octave-value/ov-ch-mat.h,
libinterp/octave-value/ov-class.h, libinterp/octave-value/ov-colon.h,
libinterp/octave-value/ov-complex.h, libinterp/octave-value/ov-cs-list.h,
libinterp/octave-value/ov-cx-diag.h, libinterp/octave-value/ov-cx-mat.h,
libinterp/octave-value/ov-cx-sparse.h, libinterp/octave-value/ov-dld-fcn.h,
libinterp/octave-value/ov-fcn-handle.h, libinterp/octave-value/ov-fcn-inline.h,
libinterp/octave-value/ov-fcn.h, libinterp/octave-value/ov-float.h,
libinterp/octave-value/ov-flt-complex.h,
libinterp/octave-value/ov-flt-cx-diag.h,
libinterp/octave-value/ov-flt-cx-mat.h,
libinterp/octave-value/ov-flt-re-diag.h,
libinterp/octave-value/ov-flt-re-mat.h, libinterp/octave-value/ov-int-traits.h,
libinterp/octave-value/ov-int16.h, libinterp/octave-value/ov-int32.h,
libinterp/octave-value/ov-int64.h, libinterp/octave-value/ov-int8.h,
libinterp/octave-value/ov-java.h, libinterp/octave-value/ov-lazy-idx.h,
libinterp/octave-value/ov-mex-fcn.h, libinterp/octave-value/ov-null-mat.h,
libinterp/octave-value/ov-perm.h, libinterp/octave-value/ov-range.h,
libinterp/octave-value/ov-re-diag.h, libinterp/octave-value/ov-re-mat.h,
libinterp/octave-value/ov-re-sparse.h, libinterp/octave-value/ov-scalar.h,
libinterp/octave-value/ov-str-mat.h, libinterp/octave-value/ov-struct.h,
libinterp/octave-value/ov-typeinfo.h, libinterp/octave-value/ov-uint16.h,
libinterp/octave-value/ov-uint32.h, libinterp/octave-value/ov-uint64.h,
libinterp/octave-value/ov-uint8.h, libinterp/octave-value/ov-usr-fcn.h,
libinterp/octave-value/ov.h, libinterp/parse-tree/pt-all.h,
libinterp/parse-tree/pt-arg-list.h, libinterp/parse-tree/pt-array-list.h,
libinterp/parse-tree/pt-assign.h, libinterp/parse-tree/pt-binop.h,
libinterp/parse-tree/pt-bp.h, libinterp/parse-tree/pt-cbinop.h,
libinterp/parse-tree/pt-cell.h, libinterp/parse-tree/pt-check.h,
libinterp/parse-tree/pt-cmd.h, libinterp/parse-tree/pt-colon.h,
libinterp/parse-tree/pt-const.h, libinterp/parse-tree/pt-decl.h,
libinterp/parse-tree/pt-eval.h, libinterp/parse-tree/pt-except.h,
libinterp/parse-tree/pt-exp.h, libinterp/parse-tree/pt-fcn-handle.h,
libinterp/parse-tree/pt-id.h, libinterp/parse-tree/pt-idx.h,
libinterp/parse-tree/pt-jump.h, libinterp/parse-tree/pt-loop.h,
libinterp/parse-tree/pt-mat.h, libinterp/parse-tree/pt-misc.h,
libinterp/parse-tree/pt-pr-code.h, libinterp/parse-tree/pt-select.h,
libinterp/parse-tree/pt-stmt.h, libinterp/parse-tree/pt-unop.h,
libinterp/parse-tree/pt-walk.h, libinterp/parse-tree/pt.h,
liboctave/array/CColVector.h, liboctave/array/CDiagMatrix.h,
liboctave/array/CMatrix.h, liboctave/array/CNDArray.h,
liboctave/array/CRowVector.h, liboctave/array/boolMatrix.h,
liboctave/array/chMatrix.h, liboctave/array/chNDArray.h,
liboctave/array/dColVector.h, liboctave/array/dDiagMatrix.h,
liboctave/array/dMatrix.h, liboctave/array/dNDArray.h,
liboctave/array/dRowVector.h, liboctave/array/fCColVector.h,
liboctave/array/fCDiagMatrix.h, liboctave/array/fCMatrix.h,
liboctave/array/fCNDArray.h, liboctave/array/fCRowVector.h,
liboctave/array/fColVector.h, liboctave/array/fDiagMatrix.h,
liboctave/array/fMatrix.h, liboctave/array/fNDArray.h,
liboctave/array/fRowVector.h, liboctave/cruft/misc/lo-error.h,
liboctave/numeric/CmplxAEPBAL.h, liboctave/numeric/CmplxCHOL.h,
liboctave/numeric/CmplxGEPBAL.h, liboctave/numeric/CmplxHESS.h,
liboctave/numeric/CmplxLU.h, liboctave/numeric/CmplxQR.h,
liboctave/numeric/CmplxQRP.h, liboctave/numeric/CmplxSCHUR.h,
liboctave/numeric/CmplxSVD.h, liboctave/numeric/Quad.h,
liboctave/numeric/SparseCmplxCHOL.h, liboctave/numeric/SparseCmplxLU.h,
liboctave/numeric/SparseCmplxQR.h, liboctave/numeric/SparseQR.h,
liboctave/numeric/SparsedbleCHOL.h, liboctave/numeric/SparsedbleLU.h,
liboctave/numeric/bsxfun.h, liboctave/numeric/dbleAEPBAL.h,
liboctave/numeric/dbleCHOL.h, liboctave/numeric/dbleGEPBAL.h,
liboctave/numeric/dbleHESS.h, liboctave/numeric/dbleLU.h,
liboctave/numeric/dbleQR.h, liboctave/numeric/dbleQRP.h,
liboctave/numeric/dbleSCHUR.h, liboctave/numeric/dbleSVD.h,
liboctave/numeric/fCmplxAEPBAL.h, liboctave/numeric/fCmplxCHOL.h,
liboctave/numeric/fCmplxGEPBAL.h, liboctave/numeric/fCmplxHESS.h,
liboctave/numeric/fCmplxLU.h, liboctave/numeric/fCmplxQR.h,
liboctave/numeric/fCmplxQRP.h, liboctave/numeric/fCmplxSCHUR.h,
liboctave/numeric/fCmplxSVD.h, liboctave/numeric/fEIG.h,
liboctave/numeric/floatAEPBAL.h, liboctave/numeric/floatCHOL.h,
liboctave/numeric/floatGEPBAL.h, liboctave/numeric/floatHESS.h,
liboctave/numeric/floatLU.h, liboctave/numeric/floatQR.h,
liboctave/numeric/floatQRP.h, liboctave/numeric/floatSCHUR.h,
liboctave/numeric/floatSVD.h, liboctave/numeric/lo-mappers.h,
liboctave/numeric/lo-specfun.h, liboctave/numeric/oct-convn.h,
liboctave/numeric/oct-norm.h, liboctave/numeric/oct-rand.h,
liboctave/operators/Sparse-diag-op-defs.h,
liboctave/operators/Sparse-op-defs.h,
liboctave/operators/Sparse-perm-op-defs.h, liboctave/system/lo-sysdep.h,
liboctave/system/oct-env.h, liboctave/system/oct-group.h,
liboctave/system/oct-openmp.h, liboctave/system/oct-passwd.h,
liboctave/system/oct-syscalls.h, liboctave/system/oct-time.h,
liboctave/system/oct-uname.h, liboctave/util/lo-array-gripes.h,
liboctave/util/lo-cutils.h, liboctave/util/lo-ieee.h,
liboctave/util/lo-macros.h, liboctave/util/lo-math.h,
liboctave/util/lo-regexp.h, liboctave/util/lo-traits.h,
liboctave/util/lo-utils.h, liboctave/util/oct-base64.h,
liboctave/util/oct-binmap.h, liboctave/util/oct-glob.h,
liboctave/util/oct-inttypes.h, liboctave/util/oct-locbuf.h,
liboctave/util/oct-mem.h, liboctave/util/oct-mutex.h,
liboctave/util/oct-refcount.h, liboctave/util/oct-rl-edit.h,
liboctave/util/oct-rl-hist.h, liboctave/util/oct-shlib.h,
liboctave/util/oct-sort.h, liboctave/util/oct-sparse.h:
Use common #define syntax "octave_filename_h" in h_files.
author | Rik <rik@octave.org> |
---|---|
date | Thu, 31 Oct 2013 22:19:07 -0700 |
parents | 49a5a4be04a1 |
children | 4197fc428c7d |
line wrap: on
line source
/* Copyright (C) 2003-2013 John W. Eaton This file is part of Octave. Octave is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. Octave is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Octave; see the file COPYING. If not, see <http://www.gnu.org/licenses/>. */ #if !defined (octave_oct_rand_h) #define octave_oct_rand_h 1 #include <map> #include <string> #include "dColVector.h" #include "dNDArray.h" #include "fNDArray.h" #include "lo-ieee.h" class OCTAVE_API octave_rand { protected: octave_rand (void); public: ~octave_rand (void) { } static bool instance_ok (void); // Return the current seed. static double seed (void) { return instance_ok () ? instance->do_seed () : octave_NaN; } // Set the seed. static void seed (double s) { if (instance_ok ()) instance->do_seed (s); } // Reset the seed. static void reset (void) { if (instance_ok ()) instance->do_reset (); } // Return the current state. static ColumnVector state (const std::string& d = std::string ()) { return instance_ok () ? instance->do_state (d) : ColumnVector (); } // Set the current state/ static void state (const ColumnVector &s, const std::string& d = std::string ()) { if (instance_ok ()) instance->do_state (s, d); } // Reset the current state/ static void reset (const std::string& d) { if (instance_ok ()) instance->do_reset (d); } // Return the current distribution. static std::string distribution (void) { return instance_ok () ? instance->do_distribution () : std::string (); } // Set the current distribution. May be either "uniform" (the // default), "normal", "exponential", "poisson", or "gamma". static void distribution (const std::string& d) { if (instance_ok ()) instance->do_distribution (d); } static void uniform_distribution (void) { if (instance_ok ()) instance->do_uniform_distribution (); } static void normal_distribution (void) { if (instance_ok ()) instance->do_normal_distribution (); } static void exponential_distribution (void) { if (instance_ok ()) instance->do_exponential_distribution (); } static void poisson_distribution (void) { if (instance_ok ()) instance->do_poisson_distribution (); } static void gamma_distribution (void) { if (instance_ok ()) instance->do_gamma_distribution (); } // Return the next number from the sequence. static double scalar (double a = 1.0) { return instance_ok () ? instance->do_scalar (a) : octave_NaN; } // Return the next number from the sequence. static float float_scalar (float a = 1.0) { return instance_ok () ? instance->do_float_scalar (a) : octave_Float_NaN; } // Return an array of numbers from the sequence. static Array<double> vector (octave_idx_type n, double a = 1.0) { return instance_ok () ? instance->do_vector (n, a) : Array<double> (); } // Return an array of numbers from the sequence. static Array<float> float_vector (octave_idx_type n, float a = 1.0) { return instance_ok () ? instance->do_float_vector (n, a) : Array<float> (); } // Return an N-dimensional array of numbers from the sequence, // filled in column major order. static NDArray nd_array (const dim_vector& dims, double a = 1.0) { return instance_ok () ? instance->do_nd_array (dims, a) : NDArray (); } // Return an N-dimensional array of numbers from the sequence, // filled in column major order. static FloatNDArray float_nd_array (const dim_vector& dims, float a = 1.0) { return instance_ok () ? instance->do_float_nd_array (dims, a) : FloatNDArray (); } private: static octave_rand *instance; static void cleanup_instance (void) { delete instance; instance = 0; } enum { unknown_dist, uniform_dist, normal_dist, expon_dist, poisson_dist, gamma_dist }; // Current distribution of random numbers. int current_distribution; // If TRUE, use old RANLIB generators. Otherwise, use Mersenne // Twister generator. bool use_old_generators; // Saved MT states. std::map<int, ColumnVector> rand_states; // Return the current seed. double do_seed (void); // Set the seed. void do_seed (double s); // Reset the seed. void do_reset (); // Return the current state. ColumnVector do_state (const std::string& d); // Set the current state/ void do_state (const ColumnVector &s, const std::string& d); // Reset the current state/ void do_reset (const std::string& d); // Return the current distribution. std::string do_distribution (void); // Set the current distribution. May be either "uniform" (the // default), "normal", "exponential", "poisson", or "gamma". void do_distribution (const std::string& d); void do_uniform_distribution (void); void do_normal_distribution (void); void do_exponential_distribution (void); void do_poisson_distribution (void); void do_gamma_distribution (void); // Return the next number from the sequence. double do_scalar (double a = 1.); // Return the next number from the sequence. float do_float_scalar (float a = 1.); // Return an array of numbers from the sequence. Array<double> do_vector (octave_idx_type n, double a = 1.); // Return an array of numbers from the sequence. Array<float> do_float_vector (octave_idx_type n, float a = 1.); // Return an N-dimensional array of numbers from the sequence, // filled in column major order. NDArray do_nd_array (const dim_vector& dims, double a = 1.); // Return an N-dimensional array of numbers from the sequence, // filled in column major order. FloatNDArray do_float_nd_array (const dim_vector& dims, float a = 1.); // Some helper functions. void initialize_ranlib_generators (void); void initialize_mersenne_twister (void); ColumnVector get_internal_state (void); void save_state (void); int get_dist_id (const std::string& d); void set_internal_state (const ColumnVector& s); void switch_to_generator (int dist); void fill (octave_idx_type len, double *v, double a); void fill (octave_idx_type len, float *v, float a); }; #endif