Use GNU style coding conventions for code in libinterp/ * libinterp/corefcn/Cell.h, libinterp/corefcn/__contourc__.cc, libinterp/corefcn/__dispatch__.cc, libinterp/corefcn/__lin_interpn__.cc, libinterp/corefcn/__pchip_deriv__.cc, libinterp/corefcn/__qp__.cc, libinterp/corefcn/balance.cc, libinterp/corefcn/besselj.cc, libinterp/corefcn/betainc.cc, libinterp/corefcn/bitfcns.cc, libinterp/corefcn/bsxfun.cc, libinterp/corefcn/c-file-ptr-stream.cc, libinterp/corefcn/c-file-ptr-stream.h, libinterp/corefcn/cellfun.cc, libinterp/corefcn/colloc.cc, libinterp/corefcn/comment-list.h, libinterp/corefcn/conv2.cc, libinterp/corefcn/daspk.cc, libinterp/corefcn/dasrt.cc, libinterp/corefcn/dassl.cc, libinterp/corefcn/data.cc, libinterp/corefcn/debug.cc, libinterp/corefcn/defaults.cc, libinterp/corefcn/defaults.in.h, libinterp/corefcn/defun-int.h, libinterp/corefcn/defun.cc, libinterp/corefcn/det.cc, libinterp/corefcn/dirfns.cc, libinterp/corefcn/display.cc, libinterp/corefcn/dlmread.cc, libinterp/corefcn/dot.cc, libinterp/corefcn/dynamic-ld.cc, libinterp/corefcn/dynamic-ld.h, libinterp/corefcn/eig.cc, libinterp/corefcn/ellipj.cc, libinterp/corefcn/error.cc, libinterp/corefcn/error.h, libinterp/corefcn/event-queue.h, libinterp/corefcn/fft.cc, libinterp/corefcn/fft2.cc, libinterp/corefcn/fftn.cc, libinterp/corefcn/file-io.cc, libinterp/corefcn/filter.cc, libinterp/corefcn/find.cc, libinterp/corefcn/gammainc.cc, libinterp/corefcn/gcd.cc, libinterp/corefcn/getgrent.cc, libinterp/corefcn/getpwent.cc, libinterp/corefcn/getrusage.cc, libinterp/corefcn/givens.cc, libinterp/corefcn/gl-render.cc, libinterp/corefcn/gl2ps-renderer.cc, libinterp/corefcn/gl2ps-renderer.h, libinterp/corefcn/graphics.cc, libinterp/corefcn/graphics.in.h, libinterp/corefcn/gripes.cc, libinterp/corefcn/gripes.h, libinterp/corefcn/help.cc, libinterp/corefcn/hess.cc, libinterp/corefcn/hex2num.cc, libinterp/corefcn/input.cc, libinterp/corefcn/input.h, libinterp/corefcn/inv.cc, libinterp/corefcn/jit-ir.h, libinterp/corefcn/jit-typeinfo.cc, libinterp/corefcn/jit-typeinfo.h, libinterp/corefcn/jit-util.h, libinterp/corefcn/kron.cc, libinterp/corefcn/load-path.cc, libinterp/corefcn/load-path.h, libinterp/corefcn/load-save.cc, libinterp/corefcn/load-save.h, libinterp/corefcn/lookup.cc, libinterp/corefcn/ls-ascii-helper.cc, libinterp/corefcn/ls-hdf5.cc, libinterp/corefcn/ls-hdf5.h, libinterp/corefcn/ls-mat-ascii.cc, libinterp/corefcn/ls-mat-ascii.h, libinterp/corefcn/ls-mat4.cc, libinterp/corefcn/ls-mat5.cc, libinterp/corefcn/ls-mat5.h, libinterp/corefcn/ls-oct-ascii.cc, libinterp/corefcn/lsode.cc, libinterp/corefcn/lu.cc, libinterp/corefcn/luinc.cc, libinterp/corefcn/mappers.cc, libinterp/corefcn/matrix_type.cc, libinterp/corefcn/max.cc, libinterp/corefcn/md5sum.cc, libinterp/corefcn/mex.cc, libinterp/corefcn/mexproto.h, libinterp/corefcn/mgorth.cc, libinterp/corefcn/mxarray.in.h, libinterp/corefcn/nproc.cc, libinterp/corefcn/oct-hist.cc, libinterp/corefcn/oct-lvalue.h, libinterp/corefcn/oct-map.cc, libinterp/corefcn/oct-map.h, libinterp/corefcn/oct-obj.h, libinterp/corefcn/oct-prcstrm.h, libinterp/corefcn/oct-stdstrm.h, libinterp/corefcn/oct-stream.cc, libinterp/corefcn/oct-stream.h, libinterp/corefcn/octave-link.cc, libinterp/corefcn/octave-link.h, libinterp/corefcn/pager.cc, libinterp/corefcn/pinv.cc, libinterp/corefcn/pr-output.cc, libinterp/corefcn/procstream.h, libinterp/corefcn/profiler.cc, libinterp/corefcn/pt-jit.cc, libinterp/corefcn/pt-jit.h, libinterp/corefcn/quad.cc, libinterp/corefcn/quadcc.cc, libinterp/corefcn/qz.cc, libinterp/corefcn/rand.cc, libinterp/corefcn/rcond.cc, libinterp/corefcn/regexp.cc, libinterp/corefcn/schur.cc, libinterp/corefcn/sighandlers.cc, libinterp/corefcn/sighandlers.h, libinterp/corefcn/sparse-xdiv.cc, libinterp/corefcn/sparse-xdiv.h, libinterp/corefcn/sparse-xpow.cc, libinterp/corefcn/sparse.cc, libinterp/corefcn/spparms.cc, libinterp/corefcn/sqrtm.cc, libinterp/corefcn/str2double.cc, libinterp/corefcn/strfind.cc, libinterp/corefcn/strfns.cc, libinterp/corefcn/sub2ind.cc, libinterp/corefcn/svd.cc, libinterp/corefcn/syl.cc, libinterp/corefcn/symtab.cc, libinterp/corefcn/symtab.h, libinterp/corefcn/syscalls.cc, libinterp/corefcn/sysdep.cc, libinterp/corefcn/sysdep.h, libinterp/corefcn/time.cc, libinterp/corefcn/toplev.cc, libinterp/corefcn/toplev.h, libinterp/corefcn/tril.cc, libinterp/corefcn/txt-eng-ft.cc, libinterp/corefcn/txt-eng-ft.h, libinterp/corefcn/txt-eng.h, libinterp/corefcn/typecast.cc, libinterp/corefcn/urlwrite.cc, libinterp/corefcn/utils.cc, libinterp/corefcn/variables.cc, libinterp/corefcn/variables.h, libinterp/corefcn/xdiv.cc, libinterp/corefcn/xdiv.h, libinterp/corefcn/xnorm.h, libinterp/corefcn/xpow.cc, libinterp/corefcn/xpow.h, libinterp/corefcn/zfstream.cc, libinterp/corefcn/zfstream.h, libinterp/dldfcn/__delaunayn__.cc, libinterp/dldfcn/__dsearchn__.cc, libinterp/dldfcn/__eigs__.cc, libinterp/dldfcn/__fltk_uigetfile__.cc, libinterp/dldfcn/__glpk__.cc, libinterp/dldfcn/__init_fltk__.cc, libinterp/dldfcn/__init_gnuplot__.cc, libinterp/dldfcn/__magick_read__.cc, libinterp/dldfcn/__voronoi__.cc, libinterp/dldfcn/amd.cc, libinterp/dldfcn/ccolamd.cc, libinterp/dldfcn/chol.cc, libinterp/dldfcn/colamd.cc, libinterp/dldfcn/convhulln.cc, libinterp/dldfcn/dmperm.cc, libinterp/dldfcn/fftw.cc, libinterp/dldfcn/qr.cc, libinterp/dldfcn/symbfact.cc, libinterp/dldfcn/symrcm.cc, libinterp/dldfcn/tsearch.cc, libinterp/octave-value/ov-base-diag.cc, libinterp/octave-value/ov-base-diag.h, libinterp/octave-value/ov-base-int.cc, libinterp/octave-value/ov-base-int.h, libinterp/octave-value/ov-base-mat.h, libinterp/octave-value/ov-base-scalar.cc, libinterp/octave-value/ov-base-scalar.h, libinterp/octave-value/ov-base-sparse.cc, libinterp/octave-value/ov-base-sparse.h, libinterp/octave-value/ov-base.cc, libinterp/octave-value/ov-base.h, libinterp/octave-value/ov-bool-mat.cc, libinterp/octave-value/ov-bool-mat.h, libinterp/octave-value/ov-bool-sparse.cc, libinterp/octave-value/ov-bool-sparse.h, libinterp/octave-value/ov-bool.cc, libinterp/octave-value/ov-bool.h, libinterp/octave-value/ov-builtin.cc, libinterp/octave-value/ov-builtin.h, libinterp/octave-value/ov-cell.cc, libinterp/octave-value/ov-cell.h, libinterp/octave-value/ov-ch-mat.cc, libinterp/octave-value/ov-ch-mat.h, libinterp/octave-value/ov-class.cc, libinterp/octave-value/ov-class.h, libinterp/octave-value/ov-colon.h, libinterp/octave-value/ov-complex.cc, libinterp/octave-value/ov-complex.h, libinterp/octave-value/ov-cx-diag.cc, libinterp/octave-value/ov-cx-diag.h, libinterp/octave-value/ov-cx-mat.cc, libinterp/octave-value/ov-cx-mat.h, libinterp/octave-value/ov-cx-sparse.cc, libinterp/octave-value/ov-cx-sparse.h, libinterp/octave-value/ov-dld-fcn.h, libinterp/octave-value/ov-fcn-handle.cc, libinterp/octave-value/ov-fcn-handle.h, libinterp/octave-value/ov-fcn-inline.cc, libinterp/octave-value/ov-fcn-inline.h, libinterp/octave-value/ov-fcn.h, libinterp/octave-value/ov-float.cc, libinterp/octave-value/ov-float.h, libinterp/octave-value/ov-flt-complex.cc, libinterp/octave-value/ov-flt-complex.h, libinterp/octave-value/ov-flt-cx-diag.cc, libinterp/octave-value/ov-flt-cx-diag.h, libinterp/octave-value/ov-flt-cx-mat.cc, libinterp/octave-value/ov-flt-cx-mat.h, libinterp/octave-value/ov-flt-re-diag.cc, libinterp/octave-value/ov-flt-re-diag.h, libinterp/octave-value/ov-flt-re-mat.cc, libinterp/octave-value/ov-flt-re-mat.h, libinterp/octave-value/ov-int16.cc, libinterp/octave-value/ov-int32.cc, libinterp/octave-value/ov-int64.cc, libinterp/octave-value/ov-int8.cc, libinterp/octave-value/ov-intx.h, libinterp/octave-value/ov-java.cc, libinterp/octave-value/ov-lazy-idx.h, libinterp/octave-value/ov-mex-fcn.cc, libinterp/octave-value/ov-mex-fcn.h, libinterp/octave-value/ov-null-mat.cc, libinterp/octave-value/ov-null-mat.h, libinterp/octave-value/ov-oncleanup.cc, libinterp/octave-value/ov-perm.cc, libinterp/octave-value/ov-perm.h, libinterp/octave-value/ov-range.cc, libinterp/octave-value/ov-range.h, libinterp/octave-value/ov-re-diag.cc, libinterp/octave-value/ov-re-diag.h, libinterp/octave-value/ov-re-mat.cc, libinterp/octave-value/ov-re-mat.h, libinterp/octave-value/ov-re-sparse.cc, libinterp/octave-value/ov-re-sparse.h, libinterp/octave-value/ov-scalar.cc, libinterp/octave-value/ov-scalar.h, libinterp/octave-value/ov-str-mat.cc, libinterp/octave-value/ov-str-mat.h, libinterp/octave-value/ov-struct.cc, libinterp/octave-value/ov-struct.h, libinterp/octave-value/ov-type-conv.h, libinterp/octave-value/ov-typeinfo.cc, libinterp/octave-value/ov-typeinfo.h, libinterp/octave-value/ov-uint16.cc, libinterp/octave-value/ov-uint32.cc, libinterp/octave-value/ov-uint64.cc, libinterp/octave-value/ov-uint8.cc, libinterp/octave-value/ov-usr-fcn.cc, libinterp/octave-value/ov-usr-fcn.h, libinterp/octave-value/ov.cc, libinterp/octave-value/ov.h, libinterp/octave.cc, libinterp/operators/op-b-bm.cc, libinterp/operators/op-b-sbm.cc, libinterp/operators/op-bm-b.cc, libinterp/operators/op-bm-bm.cc, libinterp/operators/op-cdm-cdm.cc, libinterp/operators/op-chm.cc, libinterp/operators/op-class.cc, libinterp/operators/op-cm-cm.cc, libinterp/operators/op-cm-cs.cc, libinterp/operators/op-cm-s.cc, libinterp/operators/op-cm-scm.cc, libinterp/operators/op-cm-sm.cc, libinterp/operators/op-cs-cm.cc, libinterp/operators/op-cs-cs.cc, libinterp/operators/op-cs-scm.cc, libinterp/operators/op-cs-sm.cc, libinterp/operators/op-dm-dm.cc, libinterp/operators/op-dm-scm.cc, libinterp/operators/op-double-conv.cc, libinterp/operators/op-fcdm-fcdm.cc, libinterp/operators/op-fcm-fcm.cc, libinterp/operators/op-fcm-fcs.cc, libinterp/operators/op-fcm-fm.cc, libinterp/operators/op-fcm-fs.cc, libinterp/operators/op-fcs-fcm.cc, libinterp/operators/op-fcs-fcs.cc, libinterp/operators/op-fcs-fm.cc, libinterp/operators/op-fcs-fs.cc, libinterp/operators/op-fdm-fdm.cc, libinterp/operators/op-float-conv.cc, libinterp/operators/op-fm-fcm.cc, libinterp/operators/op-fm-fcs.cc, libinterp/operators/op-fm-fm.cc, libinterp/operators/op-fm-fs.cc, libinterp/operators/op-fs-fcm.cc, libinterp/operators/op-fs-fcs.cc, libinterp/operators/op-fs-fm.cc, libinterp/operators/op-fs-fs.cc, libinterp/operators/op-m-cm.cc, libinterp/operators/op-m-cs.cc, libinterp/operators/op-m-m.cc, libinterp/operators/op-m-s.cc, libinterp/operators/op-m-scm.cc, libinterp/operators/op-m-sm.cc, libinterp/operators/op-pm-scm.cc, libinterp/operators/op-range.cc, libinterp/operators/op-s-cm.cc, libinterp/operators/op-s-cs.cc, libinterp/operators/op-s-scm.cc, libinterp/operators/op-sbm-b.cc, libinterp/operators/op-sbm-bm.cc, libinterp/operators/op-sbm-sbm.cc, libinterp/operators/op-scm-cm.cc, libinterp/operators/op-scm-cs.cc, libinterp/operators/op-scm-m.cc, libinterp/operators/op-scm-s.cc, libinterp/operators/op-scm-scm.cc, libinterp/operators/op-scm-sm.cc, libinterp/operators/op-sm-cm.cc, libinterp/operators/op-sm-m.cc, libinterp/operators/op-sm-s.cc, libinterp/operators/op-sm-scm.cc, libinterp/operators/op-sm-sm.cc, libinterp/operators/op-str-m.cc, libinterp/operators/op-str-s.cc, libinterp/operators/op-str-str.cc, libinterp/operators/ops.h, libinterp/parse-tree/lex.h, libinterp/parse-tree/parse.h, libinterp/parse-tree/pt-arg-list.cc, libinterp/parse-tree/pt-arg-list.h, libinterp/parse-tree/pt-assign.cc, libinterp/parse-tree/pt-assign.h, libinterp/parse-tree/pt-binop.cc, libinterp/parse-tree/pt-binop.h, libinterp/parse-tree/pt-bp.h, libinterp/parse-tree/pt-cbinop.cc, libinterp/parse-tree/pt-check.cc, libinterp/parse-tree/pt-colon.cc, libinterp/parse-tree/pt-colon.h, libinterp/parse-tree/pt-const.cc, libinterp/parse-tree/pt-decl.cc, libinterp/parse-tree/pt-decl.h, libinterp/parse-tree/pt-eval.cc, libinterp/parse-tree/pt-except.h, libinterp/parse-tree/pt-exp.h, libinterp/parse-tree/pt-fcn-handle.cc, libinterp/parse-tree/pt-id.cc, libinterp/parse-tree/pt-id.h, libinterp/parse-tree/pt-idx.cc, libinterp/parse-tree/pt-idx.h, libinterp/parse-tree/pt-loop.h, libinterp/parse-tree/pt-mat.cc, libinterp/parse-tree/pt-misc.cc, libinterp/parse-tree/pt-misc.h, libinterp/parse-tree/pt-pr-code.cc, libinterp/parse-tree/pt-select.h, libinterp/parse-tree/pt-stmt.h, libinterp/parse-tree/token.h, libinterp/version.cc: Use GNU style coding conventions for code in libinterp/

--- a/libinterp/corefcn/sparse.cc	Mon Oct 28 21:04:48 2013 -0400
+++ b/libinterp/corefcn/sparse.cc	Mon Oct 28 19:51:46 2013 -0700
@@ -42,23 +42,23 @@
 #include "ov-bool-sparse.h"
 
 DEFUN (issparse, args, ,
-  "-*- texinfo -*-\n\
+       "-*- texinfo -*-\n\
 @deftypefn {Built-in Function} {} issparse (@var{x})\n\
 Return true if @var{x} is a sparse matrix.\n\
 @seealso{ismatrix}\n\
 @end deftypefn")
 {
-   if (args.length () != 1)
-     {
-       print_usage ();
-       return octave_value ();
-     }
-   else
-     return octave_value (args(0).is_sparse_type ());
+  if (args.length () != 1)
+    {
+      print_usage ();
+      return octave_value ();
+    }
+  else
+    return octave_value (args(0).is_sparse_type ());
 }
 
 DEFUN (sparse, args, ,
-    "-*- texinfo -*-\n\
+       "-*- texinfo -*-\n\
 @deftypefn  {Built-in Function} {@var{s} =} sparse (@var{a})\n\
 @deftypefnx {Built-in Function} {@var{s} =} sparse (@var{i}, @var{j}, @var{sv}, @var{m}, @var{n}, @var{nzmax})\n\
 @deftypefnx {Built-in Function} {@var{s} =} sparse (@var{i}, @var{j}, @var{sv})\n\
@@ -103,113 +103,113 @@
 @seealso{full, accumarray}\n\
 @end deftypefn")
 {
-   octave_value retval;
-   int nargin = args.length ();
+  octave_value retval;
+  int nargin = args.length ();
 
-   // Temporarily disable sparse_auto_mutate if set (it's obsolete anyway).
-   unwind_protect frame;
-   frame.protect_var (Vsparse_auto_mutate);
-   Vsparse_auto_mutate = false;
+  // Temporarily disable sparse_auto_mutate if set (it's obsolete anyway).
+  unwind_protect frame;
+  frame.protect_var (Vsparse_auto_mutate);
+  Vsparse_auto_mutate = false;
 
-   if (nargin == 1)
-     {
-       octave_value arg = args (0);
-       if (arg.is_bool_type ())
-         retval = arg.sparse_bool_matrix_value ();
-       else if (arg.is_complex_type ())
-         retval = arg.sparse_complex_matrix_value ();
-       else if (arg.is_numeric_type ())
-         retval = arg.sparse_matrix_value ();
-       else
-         gripe_wrong_type_arg ("sparse", arg);
-     }
-   else if (nargin == 2)
-     {
-       octave_idx_type m = 0, n = 0;
-       if (args(0).is_scalar_type () && args(1).is_scalar_type ())
-         {
-           m = args(0).idx_type_value ();
-           n = args(1).idx_type_value ();
-         }
-       else
-         error ("sparse: dimensions M,N must be scalar");
+  if (nargin == 1)
+    {
+      octave_value arg = args (0);
+      if (arg.is_bool_type ())
+        retval = arg.sparse_bool_matrix_value ();
+      else if (arg.is_complex_type ())
+        retval = arg.sparse_complex_matrix_value ();
+      else if (arg.is_numeric_type ())
+        retval = arg.sparse_matrix_value ();
+      else
+        gripe_wrong_type_arg ("sparse", arg);
+    }
+  else if (nargin == 2)
+    {
+      octave_idx_type m = 0, n = 0;
+      if (args(0).is_scalar_type () && args(1).is_scalar_type ())
+        {
+          m = args(0).idx_type_value ();
+          n = args(1).idx_type_value ();
+        }
+      else
+        error ("sparse: dimensions M,N must be scalar");
 
-       if (! error_state)
-         {
-           if (m >= 0 && n >= 0)
-             retval = SparseMatrix (m, n);
-           else
-             error ("sparse: dimensions M,N must be positive or zero");
-         }
-     }
-   else if (nargin >= 3)
-     {
-       bool summation = true;
-       if (nargin > 3 && args(nargin-1).is_string ())
-         {
-           std::string opt = args(nargin-1).string_value ();
-           if (opt == "unique")
-             summation = false;
-           else if (opt == "sum" || opt == "summation")
-             summation = true;
-           else
-             error ("sparse: invalid option: %s", opt.c_str ());
+      if (! error_state)
+        {
+          if (m >= 0 && n >= 0)
+            retval = SparseMatrix (m, n);
+          else
+            error ("sparse: dimensions M,N must be positive or zero");
+        }
+    }
+  else if (nargin >= 3)
+    {
+      bool summation = true;
+      if (nargin > 3 && args(nargin-1).is_string ())
+        {
+          std::string opt = args(nargin-1).string_value ();
+          if (opt == "unique")
+            summation = false;
+          else if (opt == "sum" || opt == "summation")
+            summation = true;
+          else
+            error ("sparse: invalid option: %s", opt.c_str ());
 
-           nargin -= 1;
-         }
+          nargin -= 1;
+        }
 
-       if (! error_state)
-         {
-           octave_idx_type m = -1, n = -1, nzmax = -1;
-           if (nargin == 6)
-             {
-               nzmax = args(5).idx_type_value ();
-               nargin --;
-             }
+      if (! error_state)
+        {
+          octave_idx_type m = -1, n = -1, nzmax = -1;
+          if (nargin == 6)
+            {
+              nzmax = args(5).idx_type_value ();
+              nargin --;
+            }
 
-           if (nargin == 5)
-             {
-               if (args(3).is_scalar_type () && args(4).is_scalar_type ())
-                 {
-                   m = args(3).idx_type_value ();
-                   n = args(4).idx_type_value ();
-                 }
-               else
-                 error ("sparse: expecting scalar dimensions");
+          if (nargin == 5)
+            {
+              if (args(3).is_scalar_type () && args(4).is_scalar_type ())
+                {
+                  m = args(3).idx_type_value ();
+                  n = args(4).idx_type_value ();
+                }
+              else
+                error ("sparse: expecting scalar dimensions");
 
 
-               if (! error_state && (m < 0 || n < 0))
-                 error ("sparse: dimensions must be non-negative");
-             }
-           else if (nargin != 3)
-             print_usage ();
+              if (! error_state && (m < 0 || n < 0))
+                error ("sparse: dimensions must be non-negative");
+            }
+          else if (nargin != 3)
+            print_usage ();
 
-           if (! error_state)
-             {
-               idx_vector i = args(0).index_vector ();
-               idx_vector j = args(1).index_vector ();
+          if (! error_state)
+            {
+              idx_vector i = args(0).index_vector ();
+              idx_vector j = args(1).index_vector ();
 
-               if (args(2).is_bool_type ())
-                 retval = SparseBoolMatrix (args(2).bool_array_value (), i, j,
-                                            m, n, summation, nzmax);
-               else if (args(2).is_complex_type ())
-                 retval = SparseComplexMatrix (args(2).complex_array_value (),
-                                               i, j, m, n, summation, nzmax);
-               else if (args(2).is_numeric_type ())
-                 retval = SparseMatrix (args(2).array_value (), i, j,
-                                        m, n, summation, nzmax);
-               else
-                 gripe_wrong_type_arg ("sparse", args(2));
-             }
+              if (args(2).is_bool_type ())
+                retval = SparseBoolMatrix (args(2).bool_array_value (), i, j,
+                                           m, n, summation, nzmax);
+              else if (args(2).is_complex_type ())
+                retval = SparseComplexMatrix (args(2).complex_array_value (),
+                                              i, j, m, n, summation, nzmax);
+              else if (args(2).is_numeric_type ())
+                retval = SparseMatrix (args(2).array_value (), i, j,
+                                       m, n, summation, nzmax);
+              else
+                gripe_wrong_type_arg ("sparse", args(2));
+            }
 
-         }
-     }
+        }
+    }
 
-   return retval;
+  return retval;
 }
 
 DEFUN (spalloc, args, ,
-    "-*- texinfo -*-\n\
+       "-*- texinfo -*-\n\
 @deftypefn {Built-in Function} {@var{s} =} spalloc (@var{m}, @var{n}, @var{nz})\n\
 Create an @var{m}-by-@var{n} sparse matrix with pre-allocated space for at\n\
 most @var{nz} nonzero elements.  This is useful for building the matrix\n\
@@ -245,25 +245,25 @@
 @seealso{nzmax, sparse}\n\
 @end deftypefn")
 {
-   octave_value retval;
-   int nargin = args.length ();
+  octave_value retval;
+  int nargin = args.length ();
 
-   if (nargin == 2 || nargin == 3)
-     {
-       octave_idx_type m = args(0).idx_type_value ();
-       octave_idx_type n = args(1).idx_type_value ();
-       octave_idx_type nz = 0;
-       if (nargin == 3)
-         nz = args(2).idx_type_value ();
-       if (error_state)
-         ;
-       else if (m >= 0 && n >= 0 && nz >= 0)
-         retval = SparseMatrix (dim_vector (m, n), nz);
-       else
-         error ("spalloc: M,N,NZ must be non-negative");
-     }
-   else
-     print_usage ();
+  if (nargin == 2 || nargin == 3)
+    {
+      octave_idx_type m = args(0).idx_type_value ();
+      octave_idx_type n = args(1).idx_type_value ();
+      octave_idx_type nz = 0;
+      if (nargin == 3)
+        nz = args(2).idx_type_value ();
+      if (error_state)
+        ;
+      else if (m >= 0 && n >= 0 && nz >= 0)
+        retval = SparseMatrix (dim_vector (m, n), nz);
+      else
+        error ("spalloc: M,N,NZ must be non-negative");
+    }
+  else
+    print_usage ();
 
-   return retval;
+  return retval;
 }