Mercurial > octave
view libinterp/corefcn/__dsearchn__.cc @ 22197:e43d83253e28
refill multi-line macro definitions
Use the Emacs C++ mode style for line continuation markers in
multi-line macro definitions.
* make_int.cc, __dsearchn__.cc, __magick_read__.cc, besselj.cc,
bitfcns.cc, bsxfun.cc, cellfun.cc, data.cc, defun-dld.h, defun-int.h,
defun.h, det.cc, error.h, find.cc, gcd.cc, graphics.cc, interpreter.h,
jit-ir.h, jit-typeinfo.h, lookup.cc, ls-mat5.cc, max.cc, mexproto.h,
mxarray.in.h, oct-stream.cc, ordschur.cc, pr-output.cc, profiler.h,
psi.cc, regexp.cc, sparse-xdiv.cc, sparse-xpow.cc, tril.cc, txt-eng.h,
utils.cc, variables.cc, variables.h, xdiv.cc, xpow.cc, __glpk__.cc,
ov-base.cc, ov-base.h, ov-cell.cc, ov-ch-mat.cc, ov-classdef.cc,
ov-complex.cc, ov-cx-mat.cc, ov-cx-sparse.cc, ov-float.cc, ov-float.h,
ov-flt-complex.cc, ov-flt-cx-mat.cc, ov-flt-re-mat.cc,
ov-int-traits.h, ov-lazy-idx.h, ov-perm.cc, ov-re-mat.cc,
ov-re-sparse.cc, ov-scalar.cc, ov-scalar.h, ov-str-mat.cc,
ov-type-conv.h, ov.cc, ov.h, op-class.cc, op-int-conv.cc, op-int.h,
op-str-str.cc, ops.h, lex.ll, Array.cc, CMatrix.cc, CSparse.cc,
MArray.cc, MArray.h, MDiagArray2.cc, MDiagArray2.h, MSparse.h,
Sparse.cc, dMatrix.cc, dSparse.cc, fCMatrix.cc, fMatrix.cc,
idx-vector.cc, f77-fcn.h, quit.h, bsxfun-decl.h, bsxfun-defs.cc,
lo-specfun.cc, oct-convn.cc, oct-convn.h, oct-norm.cc, oct-norm.h,
oct-rand.cc, Sparse-op-decls.h, Sparse-op-defs.h, mx-inlines.cc,
mx-op-decl.h, mx-op-defs.h, mach-info.cc, oct-group.cc, oct-passwd.cc,
oct-syscalls.cc, oct-time.cc, data-conv.cc, kpse.cc, lo-ieee.h,
lo-macros.h, oct-cmplx.h, oct-glob.cc, oct-inttypes.cc,
oct-inttypes.h, oct-locbuf.h, oct-sparse.h, url-transfer.cc,
oct-conf-post.in.h, shared-fcns.h: Refill macro definitions.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Mon, 01 Aug 2016 12:40:18 -0400 |
parents | 112b20240c87 |
children | bac0d6f07a3e |
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/* Copyright (C) 2007-2015 David Bateman 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 (HAVE_CONFIG_H) # include "config.h" #endif #include <iostream> #include <fstream> #include <string> #include "lo-math.h" #include "defun.h" #include "error.h" #include "ovl.h" DEFUN (__dsearchn__, args, , doc: /* -*- texinfo -*- @deftypefn {} {[@var{idx}, @var{d}] =} dsearch (@var{x}, @var{xi}) Undocumented internal function. @end deftypefn */) { if (args.length () != 2) print_usage (); Matrix x = args(0).matrix_value ().transpose (); Matrix xi = args(1).matrix_value ().transpose (); if (x.rows () != xi.rows () || x.columns () < 1) error ("__dsearch__: number of rows of X and XI must match"); octave_idx_type n = x.rows (); octave_idx_type nx = x.columns (); octave_idx_type nxi = xi.columns (); ColumnVector idx (nxi); double *pidx = idx.fortran_vec (); ColumnVector dist (nxi); double *pdist = dist.fortran_vec (); #define DIST(dd, y, yi, m) \ dd = 0.0; \ for (octave_idx_type k = 0; k < m; k++) \ { \ double yd = y[k] - yi[k]; \ dd += yd * yd; \ } \ dd = sqrt (dd) const double *pxi = xi.fortran_vec (); for (octave_idx_type i = 0; i < nxi; i++) { double d0; const double *px = x.fortran_vec (); DIST(d0, px, pxi, n); *pidx = 1.; for (octave_idx_type j = 1; j < nx; j++) { px += n; double d; DIST (d, px, pxi, n); if (d < d0) { d0 = d; *pidx = static_cast<double>(j + 1); } OCTAVE_QUIT; } *pdist++ = d0; pidx++; pxi += n; } return ovl (idx, dist); } /* ## No test needed for internal helper function. %!assert (1) */