octave: libinterp/corefcn/__lin_interpn_

annotate libinterp/corefcn/__lin_interpn__.cc @ 31605:e88a07dec498 stable

maint: Use macros to begin/end C++ namespaces. * oct-conf-post-public.in.h: Define two macros (OCTAVE_BEGIN_NAMESPACE, OCTAVE_END_NAMESPACE) that can be used to start/end a namespace. * mk-opts.pl, build-env.h, build-env.in.cc, __betainc__.cc, __contourc__.cc, __dsearchn__.cc, __eigs__.cc, __expint__.cc, __ftp__.cc, __gammainc__.cc, __ichol__.cc, __ilu__.cc, __isprimelarge__.cc, __lin_interpn__.cc, __magick_read__.cc, __pchip_deriv__.cc, __qp__.cc, amd.cc, auto-shlib.cc, auto-shlib.h, balance.cc, base-text-renderer.cc, base-text-renderer.h, besselj.cc, bitfcns.cc, bsxfun.cc, c-file-ptr-stream.cc, c-file-ptr-stream.h, call-stack.cc, call-stack.h, ccolamd.cc, cellfun.cc, chol.cc, colamd.cc, colloc.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, data.h, debug.cc, defaults.cc, defaults.h, defun-int.h, defun.cc, det.cc, dirfns.cc, display.cc, display.h, dlmread.cc, dmperm.cc, dot.cc, dynamic-ld.cc, dynamic-ld.h, eig.cc, ellipj.cc, environment.cc, environment.h, error.cc, error.h, errwarn.h, event-manager.cc, event-manager.h, event-queue.cc, event-queue.h, fcn-info.cc, fcn-info.h, fft.cc, fft2.cc, fftn.cc, file-io.cc, filter.cc, find.cc, ft-text-renderer.cc, ft-text-renderer.h, gcd.cc, getgrent.cc, getpwent.cc, getrusage.cc, givens.cc, gl-render.cc, gl-render.h, gl2ps-print.cc, gl2ps-print.h, graphics-toolkit.cc, graphics-toolkit.h, graphics.cc, graphics.in.h, gsvd.cc, gtk-manager.cc, gtk-manager.h, hash.cc, help.cc, help.h, hess.cc, hex2num.cc, hook-fcn.cc, hook-fcn.h, input.cc, input.h, interpreter-private.cc, interpreter-private.h, interpreter.cc, interpreter.h, inv.cc, jsondecode.cc, jsonencode.cc, kron.cc, latex-text-renderer.cc, latex-text-renderer.h, load-path.cc, load-path.h, load-save.cc, load-save.h, lookup.cc, ls-ascii-helper.cc, ls-ascii-helper.h, ls-oct-text.cc, ls-utils.cc, ls-utils.h, lsode.cc, lu.cc, mappers.cc, matrix_type.cc, max.cc, mex-private.h, mex.cc, mgorth.cc, nproc.cc, oct-fstrm.cc, oct-fstrm.h, oct-hdf5-types.cc, oct-hdf5-types.h, oct-hist.cc, oct-hist.h, oct-iostrm.cc, oct-iostrm.h, oct-opengl.h, oct-prcstrm.cc, oct-prcstrm.h, oct-procbuf.cc, oct-procbuf.h, oct-process.cc, oct-process.h, oct-stdstrm.h, oct-stream.cc, oct-stream.h, oct-strstrm.cc, oct-strstrm.h, oct-tex-lexer.in.ll, oct-tex-parser.yy, ordqz.cc, ordschur.cc, pager.cc, pager.h, pinv.cc, pow2.cc, pr-flt-fmt.cc, pr-output.cc, procstream.cc, procstream.h, psi.cc, qr.cc, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc, regexp.cc, schur.cc, settings.cc, settings.h, sighandlers.cc, sighandlers.h, sparse-xdiv.cc, sparse-xdiv.h, sparse-xpow.cc, sparse-xpow.h, sparse.cc, spparms.cc, sqrtm.cc, stack-frame.cc, stack-frame.h, stream-euler.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc, sylvester.cc, symbfact.cc, syminfo.cc, syminfo.h, symrcm.cc, symrec.cc, symrec.h, symscope.cc, symscope.h, symtab.cc, symtab.h, syscalls.cc, sysdep.cc, sysdep.h, text-engine.cc, text-engine.h, text-renderer.cc, text-renderer.h, time.cc, toplev.cc, tril.cc, tsearch.cc, typecast.cc, url-handle-manager.cc, url-handle-manager.h, urlwrite.cc, utils.cc, utils.h, variables.cc, variables.h, xdiv.cc, xdiv.h, xnorm.cc, xnorm.h, xpow.cc, xpow.h, __delaunayn__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc, __init_gnuplot__.cc, __ode15__.cc, __voronoi__.cc, audiodevinfo.cc, audioread.cc, convhulln.cc, fftw.cc, gzip.cc, mk-build-env-features.sh, mk-builtins.pl, cdef-class.cc, cdef-class.h, cdef-fwd.h, cdef-manager.cc, cdef-manager.h, cdef-method.cc, cdef-method.h, cdef-object.cc, cdef-object.h, cdef-package.cc, cdef-package.h, cdef-property.cc, cdef-property.h, cdef-utils.cc, cdef-utils.h, ov-base.cc, ov-base.h, ov-bool-mat.cc, ov-builtin.h, ov-cell.cc, ov-class.cc, ov-class.h, ov-classdef.cc, ov-classdef.h, ov-complex.cc, ov-fcn-handle.cc, ov-fcn-handle.h, ov-fcn.h, ov-java.cc, ov-java.h, ov-mex-fcn.h, ov-null-mat.cc, ov-oncleanup.cc, ov-struct.cc, ov-typeinfo.cc, ov-typeinfo.h, ov-usr-fcn.cc, ov-usr-fcn.h, ov.cc, ov.h, octave.cc, octave.h, mk-ops.sh, op-b-b.cc, op-b-bm.cc, op-b-sbm.cc, op-bm-b.cc, op-bm-bm.cc, op-bm-sbm.cc, op-cdm-cdm.cc, op-cell.cc, op-chm.cc, op-class.cc, op-cm-cm.cc, op-cm-cs.cc, op-cm-m.cc, op-cm-s.cc, op-cm-scm.cc, op-cm-sm.cc, op-cs-cm.cc, op-cs-cs.cc, op-cs-m.cc, op-cs-s.cc, op-cs-scm.cc, op-cs-sm.cc, op-dm-dm.cc, op-dm-scm.cc, op-dm-sm.cc, op-dm-template.cc, op-dms-template.cc, op-fcdm-fcdm.cc, op-fcm-fcm.cc, op-fcm-fcs.cc, op-fcm-fm.cc, op-fcm-fs.cc, op-fcn.cc, op-fcs-fcm.cc, op-fcs-fcs.cc, op-fcs-fm.cc, op-fcs-fs.cc, op-fdm-fdm.cc, op-fm-fcm.cc, op-fm-fcs.cc, op-fm-fm.cc, op-fm-fs.cc, op-fs-fcm.cc, op-fs-fcs.cc, op-fs-fm.cc, op-fs-fs.cc, op-i16-i16.cc, op-i32-i32.cc, op-i64-i64.cc, op-i8-i8.cc, op-int-concat.cc, op-m-cm.cc, op-m-cs.cc, op-m-m.cc, op-m-s.cc, op-m-scm.cc, op-m-sm.cc, op-mi.cc, op-pm-pm.cc, op-pm-scm.cc, op-pm-sm.cc, op-pm-template.cc, op-range.cc, op-s-cm.cc, op-s-cs.cc, op-s-m.cc, op-s-s.cc, op-s-scm.cc, op-s-sm.cc, op-sbm-b.cc, op-sbm-bm.cc, op-sbm-sbm.cc, op-scm-cm.cc, op-scm-cs.cc, op-scm-m.cc, op-scm-s.cc, op-scm-scm.cc, op-scm-sm.cc, op-sm-cm.cc, op-sm-cs.cc, op-sm-m.cc, op-sm-s.cc, op-sm-scm.cc, op-sm-sm.cc, op-str-m.cc, op-str-s.cc, op-str-str.cc, op-struct.cc, op-ui16-ui16.cc, op-ui32-ui32.cc, op-ui64-ui64.cc, op-ui8-ui8.cc, ops.h, anon-fcn-validator.cc, anon-fcn-validator.h, bp-table.cc, bp-table.h, comment-list.cc, comment-list.h, filepos.h, lex.h, lex.ll, oct-lvalue.cc, oct-lvalue.h, oct-parse.yy, parse.h, profiler.cc, profiler.h, pt-anon-scopes.cc, pt-anon-scopes.h, pt-arg-list.cc, pt-arg-list.h, pt-args-block.cc, pt-args-block.h, pt-array-list.cc, pt-array-list.h, pt-assign.cc, pt-assign.h, pt-binop.cc, pt-binop.h, pt-bp.cc, pt-bp.h, pt-cbinop.cc, pt-cbinop.h, pt-cell.cc, pt-cell.h, pt-check.cc, pt-check.h, pt-classdef.cc, pt-classdef.h, pt-cmd.h, pt-colon.cc, pt-colon.h, pt-const.cc, pt-const.h, pt-decl.cc, pt-decl.h, pt-eval.cc, pt-eval.h, pt-except.cc, pt-except.h, pt-exp.cc, pt-exp.h, pt-fcn-handle.cc, pt-fcn-handle.h, pt-id.cc, pt-id.h, pt-idx.cc, pt-idx.h, pt-jump.h, pt-loop.cc, pt-loop.h, pt-mat.cc, pt-mat.h, pt-misc.cc, pt-misc.h, pt-pr-code.cc, pt-pr-code.h, pt-select.cc, pt-select.h, pt-spmd.cc, pt-spmd.h, pt-stmt.cc, pt-stmt.h, pt-tm-const.cc, pt-tm-const.h, pt-unop.cc, pt-unop.h, pt-vm-eval.cc, pt-walk.cc, pt-walk.h, pt.cc, pt.h, token.cc, token.h, Range.cc, Range.h, idx-vector.cc, idx-vector.h, range-fwd.h, CollocWt.cc, CollocWt.h, aepbalance.cc, aepbalance.h, chol.cc, chol.h, gepbalance.cc, gepbalance.h, gsvd.cc, gsvd.h, hess.cc, hess.h, lo-mappers.cc, lo-mappers.h, lo-specfun.cc, lo-specfun.h, lu.cc, lu.h, oct-convn.cc, oct-convn.h, oct-fftw.cc, oct-fftw.h, oct-norm.cc, oct-norm.h, oct-rand.cc, oct-rand.h, oct-spparms.cc, oct-spparms.h, qr.cc, qr.h, qrp.cc, qrp.h, randgamma.cc, randgamma.h, randmtzig.cc, randmtzig.h, randpoisson.cc, randpoisson.h, schur.cc, schur.h, sparse-chol.cc, sparse-chol.h, sparse-lu.cc, sparse-lu.h, sparse-qr.cc, sparse-qr.h, svd.cc, svd.h, child-list.cc, child-list.h, dir-ops.cc, dir-ops.h, file-ops.cc, file-ops.h, file-stat.cc, file-stat.h, lo-sysdep.cc, lo-sysdep.h, lo-sysinfo.cc, lo-sysinfo.h, mach-info.cc, mach-info.h, oct-env.cc, oct-env.h, oct-group.cc, oct-group.h, oct-password.cc, oct-password.h, oct-syscalls.cc, oct-syscalls.h, oct-time.cc, oct-time.h, oct-uname.cc, oct-uname.h, action-container.cc, action-container.h, base-list.h, cmd-edit.cc, cmd-edit.h, cmd-hist.cc, cmd-hist.h, f77-fcn.h, file-info.cc, file-info.h, lo-array-errwarn.cc, lo-array-errwarn.h, lo-hash.cc, lo-hash.h, lo-ieee.h, lo-regexp.cc, lo-regexp.h, lo-utils.cc, lo-utils.h, oct-base64.cc, oct-base64.h, oct-glob.cc, oct-glob.h, oct-inttypes.h, oct-mutex.cc, oct-mutex.h, oct-refcount.h, oct-shlib.cc, oct-shlib.h, oct-sparse.cc, oct-sparse.h, oct-string.h, octave-preserve-stream-state.h, pathsearch.cc, pathsearch.h, quit.cc, quit.h, unwind-prot.cc, unwind-prot.h, url-transfer.cc, url-transfer.h : Use new macros to begin/end C++ namespaces.

author	Rik <rik@octave.org>
date	Thu, 01 Dec 2022 14:23:45 -0800
parents	d1fe2cb16d95
children	597f3ee61a48

rev	line source
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	1 ////////////////////////////////////////////////////////////////////////
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	2 //
30564 796f54d4ddbf update Octave Project Developers copyright for the new year John W. Eaton <jwe@octave.org> parents: 29958 diff changeset	3 // Copyright (C) 2007-2022 The Octave Project Developers
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	4 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	5 // See the file COPYRIGHT.md in the top-level directory of this
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	6 // distribution or <https://octave.org/copyright/>.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	7 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	8 // This file is part of Octave.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	9 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	10 // Octave is free software: you can redistribute it and/or modify it
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	11 // under the terms of the GNU General Public License as published by
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	12 // the Free Software Foundation, either version 3 of the License, or
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	13 // (at your option) any later version.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	14 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	15 // Octave is distributed in the hope that it will be useful, but
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	16 // WITHOUT ANY WARRANTY; without even the implied warranty of
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	18 // GNU General Public License for more details.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	19 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	20 // You should have received a copy of the GNU General Public License
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	21 // along with Octave; see the file COPYING. If not, see
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	22 // <https://www.gnu.org/licenses/>.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	23 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	24 ////////////////////////////////////////////////////////////////////////
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	25
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21660 diff changeset	26 #if defined (HAVE_CONFIG_H)
21301 40de9f8f23a6 Use '#include "config.h"' rather than <config.h>. Rik <rik@octave.org> parents: 21200 diff changeset	27 # include "config.h"
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	28 #endif
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	29
9003 0631d397fbe0 replace lo_ieee_isnan by xisnan, add missing includes Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	30 #include "lo-ieee.h"
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	31 #include "dNDArray.h"
8377 25bc2d31e1bf improve OCTAVE_LOCAL_BUFFER Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	32 #include "oct-locbuf.h"
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	33
15039 e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14846 diff changeset	34 #include "defun.h"
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	35 #include "error.h"
20940 48b2ad5ee801 maint: Rename oct-obj.[cc\|h] to ovl.[cc\|h] for clarity. Rik <rik@octave.org> parents: 20918 diff changeset	36 #include "ovl.h"
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	37
30688 d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	38 #include <type_traits>
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	39
31605 e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 30688 diff changeset	40 OCTAVE_BEGIN_NAMESPACE(octave)
29958 32c3a5805893 move DEFUN and DEFMETHOD functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	41
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	42 // equivalent to isvector.m
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	43
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20940 diff changeset	44 template <typename T>
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	45 bool
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	46 isvector (const T& array)
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	47 {
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	48 const dim_vector dv = array.dims ();
21660 53728df3e4c9 maint: for clarity, call ndims() rather than length() on dimension vectors. Rik <rik@octave.org> parents: 21568 diff changeset	49 return dv.ndims () == 2 && (dv(0) == 1 \|\| dv(1) == 1);
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	50 }
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	51
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	52 // lookup a value in a sorted table (lookup.m)
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20940 diff changeset	53 template <typename T>
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	54 octave_idx_type
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	55 lookup (const T *x, octave_idx_type n, T y)
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	56 {
7561 a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	57 octave_idx_type j;
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	58
7561 a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	59 if (x[0] < x[n-1])
a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	60 {
a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	61 // increasing x
a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	62
a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	63 if (y > x[n-1] \|\| y < x[0])
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	64 return -1;
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	65
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21660 diff changeset	66 #if defined (EXHAUSTIF)
7561 a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	67 for (j = 0; j < n - 1; j++)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	68 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	69 if (x[j] <= y && y <= x[j+1])
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	70 return j;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	71 }
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	72 #else
7561 a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	73 octave_idx_type j0 = 0;
a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	74 octave_idx_type j1 = n - 1;
a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	75
a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	76 while (true)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	77 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	78 j = (j0+j1)/2;
7561 a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	79
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	80 if (y <= x[j+1])
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	81 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	82 if (x[j] <= y)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	83 return j;
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	84
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	85 j1 = j;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	86 }
7561 a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	87
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	88 if (x[j] <= y)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	89 j0 = j;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	90 }
7561 a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	91 #endif
a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	92 }
a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	93 else
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	94 {
7561 a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	95 // decreasing x
a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	96 // previous code with x -> -x and y -> -y
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	97
7561 a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	98 if (y > x[0] \|\| y < x[n-1])
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	99 return -1;
7561 a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	100
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21660 diff changeset	101 #if defined (EXHAUSTIF)
7561 a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	102 for (j = 0; j < n - 1; j++)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	103 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	104 if (x[j+1] <= y && y <= x[j])
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	105 return j;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	106 }
7561 a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	107 #else
a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	108 octave_idx_type j0 = 0;
a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	109 octave_idx_type j1 = n - 1;
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	110
7561 a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	111 while (true)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	112 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	113 j = (j0+j1)/2;
7561 a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	114
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	115 if (y >= x[j+1])
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	116 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	117 if (x[j] >= y)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	118 return j;
7561 a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	119
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	120 j1 = j;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	121 }
7561 a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	122
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	123 if (x[j] >= y)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	124 j0 = j;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	125 }
7561 a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	126 #endif
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	127 }
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	128 }
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	129
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	130 // n-dimensional linear interpolation
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	131
30688 d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	132 template <typename T, typename DT>
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	133 void
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	134 lin_interpn (int n, const octave_idx_type size, const octave_idx_type scale,
30688 d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	135 octave_idx_type Ni, DT extrapval, const T **x,
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	136 const DT v, const T y, DT vi)
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	137 {
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	138 bool out = false;
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	139 int bit;
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	140
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	141 OCTAVE_LOCAL_BUFFER (T, coef, 2*n);
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	142 OCTAVE_LOCAL_BUFFER (octave_idx_type, index, n);
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	143
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	144 // loop over all points
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	145 for (octave_idx_type m = 0; m < Ni; m++)
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	146 {
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	147 // loop over all dimensions
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	148 for (int i = 0; i < n; i++)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	149 {
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	150 index[i] = lookup (x[i], size[i], y[i][m]);
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	151 out = index[i] == -1;
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	152
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	153 if (out)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	154 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	155 else
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	156 {
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	157 octave_idx_type j = index[i];
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	158 coef[2*i+1] = (y[i][m] - x[i][j])/(x[i][j+1] - x[i][j]);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	159 coef[2i] = 1 - coef[2i+1];
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	160 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	161 }
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	162
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	163 if (out)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	164 vi[m] = extrapval;
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	165 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	166 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	167 vi[m] = 0;
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	168
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	169 // loop over all corners of hypercube (1<<n = 2^n)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	170 for (int i = 0; i < (1 << n); i++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	171 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	172 T c = 1;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	173 octave_idx_type l = 0;
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	174
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	175 // loop over all dimensions
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	176 for (int j = 0; j < n; j++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	177 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	178 // test if the jth bit in i is set
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	179 bit = i >> j & 1;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	180 l += scale[j] * (index[j] + bit);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	181 c = coef[2j+bit];
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	182 }
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	183
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	184 vi[m] += c * v[l];
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	185 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	186 }
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	187 }
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	188 }
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	189
30688 d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	190 template <typename MT, typename DMT, typename DT>
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	191 octave_value
30688 d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	192 lin_interpn (int n, MT X, const DMT V, MT Y, DT extrapval)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	193 {
30688 d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	194 static_assert(std::is_same<DT, typename DMT::element_type>::value,
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	195 "Type DMT must be an ArrayType with elements of type DT.");
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	196 using T = typename MT::element_type;
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	197
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	198 octave_value retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	199
30688 d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	200 DMT Vi = DMT (Y[0].dims ());
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	201
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	202 OCTAVE_LOCAL_BUFFER (const T *, y, n);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	203 OCTAVE_LOCAL_BUFFER (octave_idx_type, size, n);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	204
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	205 for (int i = 0; i < n; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	206 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	207 y[i] = Y[i].data ();
21568 3d60ed163b70 maint: Eliminate bad spacing around '='. Rik <rik@octave.org> parents: 21301 diff changeset	208 size[i] = V.dims ()(i);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	209 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	210
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	211 OCTAVE_LOCAL_BUFFER (const T *, x, n);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	212 OCTAVE_LOCAL_BUFFER (octave_idx_type, scale, n);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	213
30688 d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	214 const DT *v = V.data ();
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	215 DT *vi = Vi.fortran_vec ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	216 octave_idx_type Ni = Vi.numel ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	217
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	218 // offset in memory of each dimension
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	219
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	220 scale[0] = 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	221
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	222 for (int i = 1; i < n; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	223 scale[i] = scale[i-1] * size[i-1];
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	224
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	225 // tests if X[0] is a vector, if yes, assume that all elements of X are
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	226 // in the ndgrid format.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	227
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	228 if (! isvector (X[0]))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	229 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	230 for (int i = 0; i < n; i++)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	231 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	232 if (X[i].dims () != V.dims ())
20831 35241c4b696c eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20812 diff changeset	233 error ("interpn: incompatible size of argument number %d", i+1);
35241c4b696c eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20812 diff changeset	234
30688 d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	235 MT tmp = MT (dim_vector (size[i], 1));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	236
20831 35241c4b696c eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20812 diff changeset	237 for (octave_idx_type j = 0; j < size[i]; j++)
21568 3d60ed163b70 maint: Eliminate bad spacing around '='. Rik <rik@octave.org> parents: 21301 diff changeset	238 tmp(j) = X[i](scale[i]*j);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	239
20831 35241c4b696c eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20812 diff changeset	240 X[i] = tmp;
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	241 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	242 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	243
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	244 for (int i = 0; i < n; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	245 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	246 if (! isvector (X[i]) && X[i].numel () != size[i])
20831 35241c4b696c eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20812 diff changeset	247 error ("interpn: incompatible size of argument number %d", i+1);
35241c4b696c eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20812 diff changeset	248
35241c4b696c eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20812 diff changeset	249 x[i] = X[i].data ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	250 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	251
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	252 lin_interpn (n, size, scale, Ni, extrapval, x, v, y, vi);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	253
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	254 retval = Vi;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	255
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	256 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	257 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	258
6945 6bbf56a9718a [project @ 2007-10-02 20:47:22 by jwe] jwe parents: 6742 diff changeset	259 // Perform @var{n}-dimensional interpolation. Each element of then
6bbf56a9718a [project @ 2007-10-02 20:47:22 by jwe] jwe parents: 6742 diff changeset	260 // @var{n}-dimensional array @var{v} represents a value at a location
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21724 diff changeset	261 // given by the parameters @var{x1}, @var{x2},...,@var{xn}. The parameters
6945 6bbf56a9718a [project @ 2007-10-02 20:47:22 by jwe] jwe parents: 6742 diff changeset	262 // @var{x1}, @var{x2}, @dots{}, @var{xn} are either @var{n}-dimensional
23803 90689bdbe048 Use C++11 raw string literals to avoid escaping double quotes. Rik <rik@octave.org> parents: 23220 diff changeset	263 // arrays of the same size as the array @var{v} in the "ndgrid" format
6945 6bbf56a9718a [project @ 2007-10-02 20:47:22 by jwe] jwe parents: 6742 diff changeset	264 // or vectors. The parameters @var{y1}, @var{y2}, @dots{}, @var{yn} are
6bbf56a9718a [project @ 2007-10-02 20:47:22 by jwe] jwe parents: 6742 diff changeset	265 // all @var{n}-dimensional arrays of the same size and represent the
6bbf56a9718a [project @ 2007-10-02 20:47:22 by jwe] jwe parents: 6742 diff changeset	266 // points at which the array @var{vi} is interpolated.
6bbf56a9718a [project @ 2007-10-02 20:47:22 by jwe] jwe parents: 6742 diff changeset	267 //
6bbf56a9718a [project @ 2007-10-02 20:47:22 by jwe] jwe parents: 6742 diff changeset	268 //This function only performs linear interpolation.
6bbf56a9718a [project @ 2007-10-02 20:47:22 by jwe] jwe parents: 6742 diff changeset	269
15039 e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14846 diff changeset	270 DEFUN (__lin_interpn__, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	271 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	272 @deftypefn {} {@var{vi} =} __lin_interpn__ (@var{x1}, @var{x2}, @dots{}, @var{xn}, @var{v}, @var{y1}, @var{y2}, @dots{}, @var{yn})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	273 Undocumented internal function.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	274 @end deftypefn */)
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	275 {
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	276 int nargin = args.length ();
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	277
20812 d9ca869ca124 maint: Clean-up more instances of print_usage(). Rik <rik@octave.org> parents: 20802 diff changeset	278 if (nargin < 2 \|\| nargin % 2 == 0)
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20678 diff changeset	279 print_usage ();
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	280
20918 6f0bd96f93c0 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	281 octave_value retval;
6f0bd96f93c0 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	282
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	283 // dimension of the problem
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	284 int n = (nargin-1)/2;
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	285
14846 460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	286 if (args(n).is_single_type ())
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	287 {
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	288 OCTAVE_LOCAL_BUFFER (FloatNDArray, X, n);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	289 OCTAVE_LOCAL_BUFFER (FloatNDArray, Y, n);
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	290
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	291 for (int i = 0; i < n; i++)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	292 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	293 X[i] = args(i).float_array_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	294 Y[i] = args(n+i+1).float_array_value ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	295
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	296 if (Y[0].dims () != Y[i].dims ())
20831 35241c4b696c eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20812 diff changeset	297 error ("interpn: incompatible size of argument number %d", n+i+2);
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	298 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	299
30688 d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	300 if (args(n).iscomplex ())
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	301 {
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	302 const FloatComplexNDArray V = args(n).float_complex_array_value ();
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	303 FloatComplex extrapval (octave_NA, octave_NA);
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	304 retval = lin_interpn (n, X, V, Y, extrapval);
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	305 }
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	306 else
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	307 {
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	308 const FloatNDArray V = args(n).float_array_value ();
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	309 float extrapval = octave_NA;
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	310 retval = lin_interpn (n, X, V, Y, extrapval);
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	311 }
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	312 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	313 else
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	314 {
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	315 OCTAVE_LOCAL_BUFFER (NDArray, X, n);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	316 OCTAVE_LOCAL_BUFFER (NDArray, Y, n);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	317
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	318 for (int i = 0; i < n; i++)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	319 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	320 X[i] = args(i).array_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	321 Y[i] = args(n+i+1).array_value ();
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	322
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	323 if (Y[0].dims () != Y[i].dims ())
20831 35241c4b696c eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20812 diff changeset	324 error ("interpn: incompatible size of argument number %d", n+i+2);
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	325 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	326
30688 d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	327 if (args(n).iscomplex ())
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	328 {
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	329 const ComplexNDArray V = args(n).complex_array_value ();
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	330 Complex extrapval (octave_NA, octave_NA);
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	331 retval = lin_interpn (n, X, V, Y, extrapval);
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	332 }
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	333 else
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	334 {
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	335 const NDArray V = args(n).array_value ();
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	336 double extrapval = octave_NA;
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	337 retval = lin_interpn (n, X, V, Y, extrapval);
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	338 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	339 }
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	340
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	341 return retval;
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	342 }
12805 3641167e5b75 codesprint: .cc helper functions do not need tests Rik <octave@nomad.inbox5.com>* parents: 11586 diff changeset	343
3641167e5b75 codesprint: .cc helper functions do not need tests Rik <octave@nomad.inbox5.com>* parents: 11586 diff changeset	344 /*
30688 d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	345 ## Test that real and imaginary parts are interpolated the same way
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	346 ## and outer points are set to NA + 1i*NA
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	347 %!test <*61907>
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	348 %! x1 = 1:3;
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	349 %! x2 = 1:4;
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	350 %! v = repmat(1:4, 3, 1) + 1i * repmat((1:3)', 1, 4);
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	351 %! [XI2, XI1] = meshgrid(1.5:3.5, 1.5:3.5);
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	352 %! vi_complex = __lin_interpn__ (x1, x2, v, XI1, XI2);
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	353 %! vi_real = __lin_interpn__ (x1, x2, real (v), XI1, XI2);
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	354 %! vi_imag = __lin_interpn__ (x1, x2, imag (v), XI1, XI2);
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	355 %! assert (real (vi_complex), vi_real);
d1fe2cb16d95 Fix __lin_interpn__ for complex input (bug #61907). Christof Kaufmann <christofkaufmann.dev@gmail.com> parents: 30564 diff changeset	356 %! assert (imag (vi_complex), vi_imag);
12805 3641167e5b75 codesprint: .cc helper functions do not need tests Rik <octave@nomad.inbox5.com>* parents: 11586 diff changeset	357 */
29958 32c3a5805893 move DEFUN and DEFMETHOD functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	358
31605 e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 30688 diff changeset	359 OCTAVE_END_NAMESPACE(octave)

Mercurial > octave

annotate libinterp/corefcn/__lin_interpn__.cc @ 31605:e88a07dec498 stable