diff liboctave/numeric/gepbalance.cc @ 21268:f08ae27289e4

better use of templates for balance classes * aepbalance.h, aepbalance.cc: New files generated from base-aepbal.h, CmplxAEPBAL.cc, CmplxAEPBAL.h, dbleAEPBAL.cc, dbleAEPBAL.h, fCmplxAEPBAL.cc, fCmplxAEPBAL.h, floatAEPBAL.cc, and floatAEPBAL.h and making them templates. * gepbalance.h, gepbalance.cc: New files generate from CmplxGEPBAL.cc, CmplxGEPBAL.h, dbleGEPBAL.cc, dbleGEPBAL.h, fCmplxGEPBAL.cc, fCmplxGEPBAL.h, floatGEPBAL.cc, and floatGEPBAL.h and making them templates. * liboctave/numeric/module.mk: Update. * balance.cc, CMatrix.h, dMatrix.h, fCMatrix.h, fMatrix.h, mx-defs.h, mx-ext.h: Use new classes.
author John W. Eaton <jwe@octave.org>
date Tue, 16 Feb 2016 00:32:29 -0500
parents liboctave/numeric/dbleGEPBAL.cc@f7121e111991
children 40de9f8f23a6
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/liboctave/numeric/gepbalance.cc	Tue Feb 16 00:32:29 2016 -0500
@@ -0,0 +1,378 @@
+/*
+
+Copyright (C) 1994-2015 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/>.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <string>
+#include <vector>
+
+#include "Array-util.h"
+#include "CMatrix.h"
+#include "dMatrix.h"
+#include "f77-fcn.h"
+#include "fCMatrix.h"
+#include "fMatrix.h"
+#include "gepbalance.h"
+#include "oct-locbuf.h"
+
+extern "C"
+{
+  F77_RET_T
+  F77_FUNC (dggbal, DGGBAL) (F77_CONST_CHAR_ARG_DECL,
+                             const octave_idx_type& N,
+                             double* A, const octave_idx_type& LDA,
+                             double* B, const octave_idx_type& LDB,
+                             octave_idx_type& ILO, octave_idx_type& IHI,
+                             double* LSCALE, double* RSCALE,
+                             double* WORK, octave_idx_type& INFO
+                             F77_CHAR_ARG_LEN_DECL);
+
+  F77_RET_T
+  F77_FUNC (dggbak, DGGBAK) (F77_CONST_CHAR_ARG_DECL,
+                             F77_CONST_CHAR_ARG_DECL,
+                             const octave_idx_type& N,
+                             const octave_idx_type& ILO,
+                             const octave_idx_type& IHI,
+                             const double* LSCALE, const double* RSCALE,
+                             octave_idx_type& M, double* V,
+                             const octave_idx_type& LDV, octave_idx_type& INFO
+                             F77_CHAR_ARG_LEN_DECL
+                             F77_CHAR_ARG_LEN_DECL);
+
+  F77_RET_T
+  F77_FUNC (sggbal, SGGBAL) (F77_CONST_CHAR_ARG_DECL,
+                             const octave_idx_type& N, float* A,
+                             const octave_idx_type& LDA, float* B,
+                             const octave_idx_type& LDB,
+                             octave_idx_type& ILO, octave_idx_type& IHI,
+                             float* LSCALE, float* RSCALE,
+                             float* WORK, octave_idx_type& INFO
+                             F77_CHAR_ARG_LEN_DECL);
+
+  F77_RET_T
+  F77_FUNC (sggbak, SGGBAK) (F77_CONST_CHAR_ARG_DECL,
+                             F77_CONST_CHAR_ARG_DECL,
+                             const octave_idx_type& N,
+                             const octave_idx_type& ILO,
+                             const octave_idx_type& IHI,
+                             const float* LSCALE, const float* RSCALE,
+                             octave_idx_type& M, float* V,
+                             const octave_idx_type& LDV, octave_idx_type& INFO
+                             F77_CHAR_ARG_LEN_DECL
+                             F77_CHAR_ARG_LEN_DECL);
+
+  F77_RET_T
+  F77_FUNC (zggbal, ZGGBAL) (F77_CONST_CHAR_ARG_DECL,
+                             const octave_idx_type& N, Complex* A,
+                             const octave_idx_type& LDA, Complex* B,
+                             const octave_idx_type& LDB,
+                             octave_idx_type& ILO, octave_idx_type& IHI,
+                             double* LSCALE, double* RSCALE,
+                             double* WORK, octave_idx_type& INFO
+                             F77_CHAR_ARG_LEN_DECL);
+
+  F77_RET_T
+  F77_FUNC (cggbal, CGGBAL) (F77_CONST_CHAR_ARG_DECL,
+                             const octave_idx_type& N,
+                             FloatComplex* A, const octave_idx_type& LDA,
+                             FloatComplex* B, const octave_idx_type& LDB,
+                             octave_idx_type& ILO, octave_idx_type& IHI,
+                             float* LSCALE, float* RSCALE,
+                             float* WORK, octave_idx_type& INFO
+                             F77_CHAR_ARG_LEN_DECL);
+}
+
+template <>
+octave_idx_type
+gepbalance<Matrix>::init (const Matrix& a, const Matrix& b,
+                          const std::string& balance_job)
+{
+  octave_idx_type n = a.cols ();
+
+  if (a.rows () != n)
+    (*current_liboctave_error_handler) ("GEPBALANCE requires square matrix");
+
+  if (a.dims () != b.dims ())
+    err_nonconformant ("GEPBALANCE", n, n, b.rows(), b.cols());
+
+  octave_idx_type info;
+  octave_idx_type ilo;
+  octave_idx_type ihi;
+
+  OCTAVE_LOCAL_BUFFER (double, plscale, n);
+  OCTAVE_LOCAL_BUFFER (double, prscale, n);
+  OCTAVE_LOCAL_BUFFER (double, pwork, 6 * n);
+
+  balanced_mat = a;
+  double *p_balanced_mat = balanced_mat.fortran_vec ();
+  balanced_mat2 = b;
+  double *p_balanced_mat2 = balanced_mat2.fortran_vec ();
+
+  char job = balance_job[0];
+
+  F77_XFCN (dggbal, DGGBAL, (F77_CONST_CHAR_ARG2 (&job, 1),
+                             n, p_balanced_mat, n, p_balanced_mat2,
+                             n, ilo, ihi, plscale, prscale, pwork, info
+                             F77_CHAR_ARG_LEN  (1)));
+
+  balancing_mat = Matrix (n, n, 0.0);
+  balancing_mat2 = Matrix (n, n, 0.0);
+  for (octave_idx_type i = 0; i < n; i++)
+    {
+      octave_quit ();
+      balancing_mat.elem (i ,i) = 1.0;
+      balancing_mat2.elem (i ,i) = 1.0;
+    }
+
+  double *p_balancing_mat = balancing_mat.fortran_vec ();
+  double *p_balancing_mat2 = balancing_mat2.fortran_vec ();
+
+  // first left
+  F77_XFCN (dggbak, DGGBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
+                             F77_CONST_CHAR_ARG2 ("L", 1),
+                             n, ilo, ihi, plscale, prscale,
+                             n, p_balancing_mat, n, info
+                             F77_CHAR_ARG_LEN (1)
+                             F77_CHAR_ARG_LEN (1)));
+
+  // then right
+  F77_XFCN (dggbak, DGGBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
+                             F77_CONST_CHAR_ARG2 ("R", 1),
+                             n, ilo, ihi, plscale, prscale,
+                             n, p_balancing_mat2, n, info
+                             F77_CHAR_ARG_LEN (1)
+                             F77_CHAR_ARG_LEN (1)));
+
+  return info;
+}
+
+template <>
+octave_idx_type
+gepbalance<FloatMatrix>::init (const FloatMatrix& a, const FloatMatrix& b,
+                               const std::string& balance_job)
+{
+  octave_idx_type n = a.cols ();
+
+  if (a.rows () != n)
+    (*current_liboctave_error_handler)
+      ("FloatGEPBALANCE requires square matrix");
+
+  if (a.dims () != b.dims ())
+    err_nonconformant ("FloatGEPBALANCE", n, n, b.rows(), b.cols());
+
+  octave_idx_type info;
+  octave_idx_type ilo;
+  octave_idx_type ihi;
+
+  OCTAVE_LOCAL_BUFFER (float, plscale, n);
+  OCTAVE_LOCAL_BUFFER (float, prscale, n);
+  OCTAVE_LOCAL_BUFFER (float, pwork, 6 * n);
+
+  balanced_mat = a;
+  float *p_balanced_mat = balanced_mat.fortran_vec ();
+  balanced_mat2 = b;
+  float *p_balanced_mat2 = balanced_mat2.fortran_vec ();
+
+  char job = balance_job[0];
+
+  F77_XFCN (sggbal, SGGBAL, (F77_CONST_CHAR_ARG2 (&job, 1),
+                             n, p_balanced_mat, n, p_balanced_mat2,
+                             n, ilo, ihi, plscale, prscale, pwork, info
+                             F77_CHAR_ARG_LEN  (1)));
+
+  balancing_mat = FloatMatrix (n, n, 0.0);
+  balancing_mat2 = FloatMatrix (n, n, 0.0);
+  for (octave_idx_type i = 0; i < n; i++)
+    {
+      octave_quit ();
+      balancing_mat.elem (i ,i) = 1.0;
+      balancing_mat2.elem (i ,i) = 1.0;
+    }
+
+  float *p_balancing_mat = balancing_mat.fortran_vec ();
+  float *p_balancing_mat2 = balancing_mat2.fortran_vec ();
+
+  // first left
+  F77_XFCN (sggbak, SGGBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
+                             F77_CONST_CHAR_ARG2 ("L", 1),
+                             n, ilo, ihi, plscale, prscale,
+                             n, p_balancing_mat, n, info
+                             F77_CHAR_ARG_LEN (1)
+                             F77_CHAR_ARG_LEN (1)));
+
+  // then right
+  F77_XFCN (sggbak, SGGBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
+                             F77_CONST_CHAR_ARG2 ("R", 1),
+                             n, ilo, ihi, plscale, prscale,
+                             n, p_balancing_mat2, n, info
+                             F77_CHAR_ARG_LEN (1)
+                             F77_CHAR_ARG_LEN (1)));
+
+  return info;
+}
+
+template <>
+octave_idx_type
+gepbalance<ComplexMatrix>::init (const ComplexMatrix& a,
+                                 const ComplexMatrix& b,
+                                 const std::string& balance_job)
+{
+  octave_idx_type n = a.cols ();
+
+  if (a.rows () != n)
+    (*current_liboctave_error_handler)
+      ("ComplexGEPBALANCE requires square matrix");
+
+  if (a.dims () != b.dims ())
+    err_nonconformant ("ComplexGEPBALANCE", n, n, b.rows(), b.cols());
+
+  octave_idx_type info;
+  octave_idx_type ilo;
+  octave_idx_type ihi;
+
+  OCTAVE_LOCAL_BUFFER (double, plscale, n);
+  OCTAVE_LOCAL_BUFFER (double, prscale,  n);
+  OCTAVE_LOCAL_BUFFER (double, pwork, 6 * n);
+
+  balanced_mat = a;
+  Complex *p_balanced_mat = balanced_mat.fortran_vec ();
+  balanced_mat2 = b;
+  Complex *p_balanced_mat2 = balanced_mat2.fortran_vec ();
+
+  char job = balance_job[0];
+
+  F77_XFCN (zggbal, ZGGBAL, (F77_CONST_CHAR_ARG2 (&job, 1),
+                             n, p_balanced_mat, n, p_balanced_mat2,
+                             n, ilo, ihi, plscale, prscale, pwork, info
+                             F77_CHAR_ARG_LEN (1)));
+
+  balancing_mat = Matrix (n, n, 0.0);
+  balancing_mat2 = Matrix (n, n, 0.0);
+  for (octave_idx_type i = 0; i < n; i++)
+    {
+      octave_quit ();
+      balancing_mat.elem (i ,i) = 1.0;
+      balancing_mat2.elem (i ,i) = 1.0;
+    }
+
+  double *p_balancing_mat = balancing_mat.fortran_vec ();
+  double *p_balancing_mat2 = balancing_mat2.fortran_vec ();
+
+  // first left
+  F77_XFCN (dggbak, DGGBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
+                             F77_CONST_CHAR_ARG2 ("L", 1),
+                             n, ilo, ihi, plscale, prscale,
+                             n, p_balancing_mat, n, info
+                             F77_CHAR_ARG_LEN (1)
+                             F77_CHAR_ARG_LEN (1)));
+
+  // then right
+  F77_XFCN (dggbak, DGGBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
+                             F77_CONST_CHAR_ARG2 ("R", 1),
+                             n, ilo, ihi, plscale, prscale,
+                             n, p_balancing_mat2, n, info
+                             F77_CHAR_ARG_LEN (1)
+                             F77_CHAR_ARG_LEN (1)));
+
+  return info;
+}
+
+template <>
+octave_idx_type
+gepbalance<FloatComplexMatrix>::init (const FloatComplexMatrix& a,
+                                      const FloatComplexMatrix& b,
+                                      const std::string& balance_job)
+{
+  octave_idx_type n = a.cols ();
+
+  if (a.rows () != n)
+    {
+      (*current_liboctave_error_handler)
+        ("FloatComplexGEPBALANCE requires square matrix");
+      return -1;
+    }
+
+  if (a.dims () != b.dims ())
+    err_nonconformant ("FloatComplexGEPBALANCE", n, n, b.rows(), b.cols());
+
+  octave_idx_type info;
+  octave_idx_type ilo;
+  octave_idx_type ihi;
+
+  OCTAVE_LOCAL_BUFFER (float, plscale, n);
+  OCTAVE_LOCAL_BUFFER (float, prscale, n);
+  OCTAVE_LOCAL_BUFFER (float, pwork, 6 * n);
+
+  balanced_mat = a;
+  FloatComplex *p_balanced_mat = balanced_mat.fortran_vec ();
+  balanced_mat2 = b;
+  FloatComplex *p_balanced_mat2 = balanced_mat2.fortran_vec ();
+
+  char job = balance_job[0];
+
+  F77_XFCN (cggbal, CGGBAL, (F77_CONST_CHAR_ARG2 (&job, 1),
+                             n, p_balanced_mat, n, p_balanced_mat2,
+                             n, ilo, ihi, plscale,prscale, pwork, info
+                             F77_CHAR_ARG_LEN (1)));
+
+  balancing_mat = FloatMatrix (n, n, 0.0);
+  balancing_mat2 = FloatMatrix (n, n, 0.0);
+  for (octave_idx_type i = 0; i < n; i++)
+    {
+      octave_quit ();
+      balancing_mat.elem (i ,i) = 1.0;
+      balancing_mat2.elem (i ,i) = 1.0;
+    }
+
+  float *p_balancing_mat = balancing_mat.fortran_vec ();
+  float *p_balancing_mat2 = balancing_mat2.fortran_vec ();
+
+  // first left
+  F77_XFCN (sggbak, SGGBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
+                             F77_CONST_CHAR_ARG2 ("L", 1),
+                             n, ilo, ihi, plscale, prscale,
+                             n, p_balancing_mat, n, info
+                             F77_CHAR_ARG_LEN (1)
+                             F77_CHAR_ARG_LEN (1)));
+
+  // then right
+  F77_XFCN (sggbak, SGGBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
+                             F77_CONST_CHAR_ARG2 ("R", 1),
+                             n, ilo, ihi, plscale, prscale,
+                             n, p_balancing_mat2, n, info
+                             F77_CHAR_ARG_LEN (1)
+                             F77_CHAR_ARG_LEN (1)));
+
+  return info;
+}
+
+// Instantiations we need.
+
+template class gepbalance<Matrix>;
+
+template class gepbalance<FloatMatrix>;
+
+template class gepbalance<ComplexMatrix>;
+
+template class gepbalance<FloatComplexMatrix>;