Mercurial > octave
view libinterp/corefcn/__pchip_deriv__.cc @ 21139:538b57866b90
consistently use "typename" intead of "class" in template declarations
* Object.h, QtHandlesUtils.cc, QtHandlesUtils.h, ToolBarButton.cc,
ToolBarButton.h, Cell.h, __lin_interpn__.cc, bitfcns.cc, bsxfun.cc,
cellfun.cc, data.cc, filter.cc, gcd.cc, graphics.cc, help.cc, kron.cc,
lookup.cc, ls-mat5.cc, ls-oct-text.h, lu.cc, max.cc, mgorth.cc,
oct-map.cc, oct-map.h, oct-stream.cc, oct-stream.h, octave-link.h,
pr-output.cc, profiler.h, schur.cc, sparse-xdiv.cc, sparse-xpow.cc,
sqrtm.cc, symtab.h, tril.cc, typecast.cc, variables.cc, xdiv.cc,
zfstream.h, __init_fltk__.cc, __magick_read__.cc, chol.cc, qr.cc,
ov-base-diag.cc, ov-base-diag.h, ov-base-int.cc, ov-base-int.h,
ov-base-mat.cc, ov-base-mat.h, ov-base-scalar.cc, ov-base-scalar.h,
ov-base-sparse.cc, ov-base-sparse.h, ov-base.h, ov-classdef.cc,
ov-int-traits.h, ov-java.h, ov-usr-fcn.h, ov.cc, ov.h,
op-dms-template.cc, oct-parse.in.yy, parse.h, pt-mat.cc, Array-b.cc,
Array.cc, Array.h, CDiagMatrix.h, CMatrix.h, CNDArray.h,
DiagArray2.cc, DiagArray2.h, MArray.cc, MArray.h, MDiagArray2.cc,
MDiagArray2.h, MSparse.cc, MSparse.h, MatrixType.cc, Sparse.cc,
Sparse.h, dDiagMatrix.h, dMatrix.h, dNDArray.h, fCDiagMatrix.h,
fCMatrix.h, fCNDArray.h, fDiagMatrix.h, fMatrix.h, fNDArray.h,
idx-vector.cc, idx-vector.h, intNDArray.cc, intNDArray.h, DET.h,
base-aepbal.h, base-lu.cc, base-lu.h, base-qr.cc, base-qr.h,
bsxfun-defs.cc, eigs-base.cc, lo-mappers.h, lo-specfun.cc,
lo-specfun.h, oct-convn.cc, oct-fftw.cc, oct-norm.cc,
sparse-base-chol.cc, sparse-base-chol.h, sparse-base-lu.cc,
sparse-base-lu.h, sparse-dmsolve.cc, mx-inlines.cc,
action-container.h, base-list.h, lo-traits.h, lo-utils.h,
oct-base64.h, oct-binmap.h, oct-cmplx.h, oct-inttypes.cc,
oct-inttypes.h, oct-locbuf.h, oct-refcount.h, oct-sort.cc, oct-sort.h:
Use "typename" instead of "class" in template declarations.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Sun, 24 Jan 2016 13:50:04 -0500 |
parents | e39e05d90788 |
children | fcac5dbbf9ed |
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/* Copyright (C) 2002-2015 Kai Habel Copyright (C) 2008-2009 Jaroslav Hajek 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/>. */ #ifdef HAVE_CONFIG_H #include <config.h> #endif #include "defun.h" #include "error.h" #include "errwarn.h" #include "ovl.h" #include "utils.h" #include "f77-fcn.h" extern "C" { F77_RET_T F77_FUNC (dpchim, DPCHIM) (const octave_idx_type& n, const double *x, const double *f, double *d, const octave_idx_type &incfd, octave_idx_type *ierr); F77_RET_T F77_FUNC (pchim, PCHIM) (const octave_idx_type& n, const float *x, const float *f, float *d, const octave_idx_type& incfd, octave_idx_type *ierr); } // Wrapper for SLATEC/PCHIP function DPCHIM to calculate the derivates // for piecewise polynomials. DEFUN (__pchip_deriv__, args, , "-*- texinfo -*-\n\ @deftypefn {} {} __pchip_deriv__ (@var{x}, @var{y}, @var{dim})\n\ Undocumented internal function.\n\ @end deftypefn") { octave_value retval; int nargin = args.length (); bool rows = (nargin == 3 && args(2).uint_value () == 2); if (nargin >= 2) { if (args(0).is_single_type () || args(1).is_single_type ()) { FloatColumnVector xvec (args(0).float_vector_value ()); FloatMatrix ymat (args(1).float_matrix_value ()); octave_idx_type nx = xvec.numel (); if (nx < 2) error ("__pchip_deriv__: X must be at least of length 2"); octave_idx_type nyr = ymat.rows (); octave_idx_type nyc = ymat.columns (); if (nx != (rows ? nyc : nyr)) error ("__pchip_deriv__: X and Y dimension mismatch"); FloatMatrix dmat (nyr, nyc); octave_idx_type ierr; const octave_idx_type incfd = rows ? nyr : 1; volatile const octave_idx_type inc = rows ? 1 : nyr; volatile octave_idx_type k = 0; for (volatile octave_idx_type i = (rows ? nyr : nyc); i > 0; i--) { F77_XFCN (pchim, PCHIM, (nx, xvec.data (), ymat.data () + k * inc, dmat.fortran_vec () + k * inc, incfd, &ierr)); k++; if (ierr < 0) error ("__pchip_deriv__: PCHIM failed with ierr = %i", ierr); } retval = dmat; } else { ColumnVector xvec (args(0).vector_value ()); Matrix ymat (args(1).matrix_value ()); octave_idx_type nx = xvec.numel (); if (nx < 2) error ("__pchip_deriv__: X must be at least of length 2"); octave_idx_type nyr = ymat.rows (); octave_idx_type nyc = ymat.columns (); if (nx != (rows ? nyc : nyr)) error ("__pchip_deriv__: X and Y dimension mismatch"); Matrix dmat (nyr, nyc); octave_idx_type ierr; const octave_idx_type incfd = rows ? nyr : 1; volatile const octave_idx_type inc = rows ? 1 : nyr; volatile octave_idx_type k = 0; for (volatile octave_idx_type i = (rows ? nyr : nyc); i > 0; i--) { F77_XFCN (dpchim, DPCHIM, (nx, xvec.data (), ymat.data () + k * inc, dmat.fortran_vec () + k * inc, incfd, &ierr)); k++; if (ierr < 0) error ("__pchip_deriv__: DPCHIM failed with ierr = %i", ierr); } retval = dmat; } } return retval; } /* ## No test needed for internal helper function. %!assert (1) */