Mercurial > octave-nkf
changeset 6577:f72d6d4b735a
[project @ 2007-04-25 15:54:59 by jwe]
| author | jwe |
|---|---|
| date | Wed, 25 Apr 2007 15:54:59 +0000 |
| parents | f14a0d35f90b |
| children | fbc16fe0e86a |
| files | ChangeLog Makeconf.in doc/ChangeLog doc/conf.texi.in doc/interpreter/Makefile.in doc/interpreter/dynamic.txi examples/Makefile.in examples/firstmexdemo.c |
| diffstat | 8 files changed, 187 insertions(+), 389 deletions(-) [+] |
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--- a/ChangeLog Wed Apr 25 14:22:34 2007 +0000 +++ b/ChangeLog Wed Apr 25 15:54:59 2007 +0000 @@ -1,10 +1,13 @@ 2007-04-25 John W. Eaton <jwe@octave.org> + * Makeconf.in (do-subst-texinfo-vals): Also substitute top_srcdir. + * examples/addtwomatrices.cc, examples/celldemo.cc, examples/fortdemo.cc, examples/funcdemo.cc, examples/globaldemo.cc, examples/helloworld.cc, examples/stringdemo.cc, examples/structdemo.cc, - examples/unwinddemo.cc, examples/fortsub.f: New files. + examples/unwinddemo.cc, examples/fortsub.f, + examples/firstmexdemo.c: New files. * examples/Makefile.in (SOURCES): Add them to the list. 2007-04-20 John W. Eaton <jwe@octave.org>
--- a/Makeconf.in Wed Apr 25 14:22:34 2007 +0000 +++ b/Makeconf.in Wed Apr 25 15:54:59 2007 +0000 @@ -574,6 +574,7 @@ define do-subst-texinfo-vals echo "making $@ from $<" $(SED) < $< \ + -e "s|%top_srcdir%|${top_srcdir}|" \ -e "s|%OCTAVE_HOME%|${prefix}|" \ -e "s|%OCTAVE_VERSION%|${version}|" \ -e "s|%TEXINFO_COLAMD%|${TEXINFO_COLAMD}|" \
--- a/doc/ChangeLog Wed Apr 25 14:22:34 2007 +0000 +++ b/doc/ChangeLog Wed Apr 25 15:54:59 2007 +0000 @@ -1,5 +1,14 @@ 2007-04-25 John W. Eaton <jwe@octave.org> + * interpreter/dynamic.txi: Use @verbatiminclude for example code. + + * interpreter/Makefile.in (EXAMPLE_FILES_NODIR, EXAMPLE_FILES): + New variables. + (octave.info, octave.dvi, octave.pdf, HTML/index.html): + Depend on $(EXAMPLE_FILES). + + * conf.texi.in: Also set top_srcdir with substitution. + * interpreter/tips.txi: Update with new text and examples. Move documentation section to the end.
--- a/doc/conf.texi.in Wed Apr 25 14:22:34 2007 +0000 +++ b/doc/conf.texi.in Wed Apr 25 15:54:59 2007 +0000 @@ -3,6 +3,7 @@ @c For copying conditions, see the file gpl.texi. @set OCTAVE_MANUAL +@set top_srcdir %top_srcdir% @set OCTAVEHOME %OCTAVE_HOME% @set VERSION %OCTAVE_VERSION% %TEXINFO_COLAMD%
--- a/doc/interpreter/Makefile.in Wed Apr 25 14:22:34 2007 +0000 +++ b/doc/interpreter/Makefile.in Wed Apr 25 15:54:59 2007 +0000 @@ -20,6 +20,21 @@ SCRIPT_SOURCES = sparseimages.m +EXAMPLE_FILES_NODIR = \ + addtwomatrices.cc \ + celldemo.cc \ + firstmexdemo.c \ + fortdemo.cc \ + fortsub.f \ + funcdemo.cc \ + globaldemo.cc \ + helloworld.cc \ + stringdemo.cc \ + structdemo.cc \ + unwinddemo.cc + +EXAMPLE_FILES = $(addprefix $(top_srcdir)/examples/, $(EXAMPLE_FILES_NODIR)) + SPARSEIMAGES_1 = gplot grid spmatrix spchol spcholperm SPARSEIMAGES_EPS = $(addsuffix .eps, $(SPARSEIMAGES_1)) @@ -110,17 +125,17 @@ -d $(TOPDIR)/scripts/DOCSTRINGS < $< > $@-t @$(simple-move-if-change-rule) -octave.info: $(IMAGES_TXT) $(TEXINFO) +octave.info: $(IMAGES_TXT) $(TEXINFO) $(EXAMPLE_FILES) -$(MAKEINFO) -I.. -I$(srcdir) -I$(srcdir)/.. $(MAIN_TEXINFO) -octave.dvi: $(IMAGES_EPS) $(TEXINFO) +octave.dvi: $(IMAGES_EPS) $(TEXINFO) $(EXAMPLE_FILES) -TEXINPUTS="..:$(srcdir):$(srcdir)/..:$(TEXINPUTS):" \ $(UNSETCOMSPEC) $(TEXI2DVI) $(MAIN_TEXINFO) octave.ps: octave.dvi -dvips -o $@ $< -octave.pdf: $(IMAGES_PDF) $(TEXINFO) +octave.pdf: $(IMAGES_PDF) $(TEXINFO) $(EXAMPLE_FILES) -TEXINPUTS="..:$(srcdir):$(srcdir)/..:$(TEXINPUTS):" \ $(UNSETCOMSPEC) $(TEXI2PDF) $(MAIN_TEXINFO) @@ -138,7 +153,7 @@ -I.. -I$(srcdir) -I$(srcdir)/.. $< mv BUGS ../../BUGS -HTML/index.html: $(HTML_IMAGES_PNG) $(TEXINFO) +HTML/index.html: $(HTML_IMAGES_PNG) $(TEXINFO) $(EXAMPLE_FILES) -$(MAKEINFO) --html --ifinfo --output=HTML -I.. -I$(srcdir) -I$(srcdir)/.. $(MAIN_TEXINFO) $(HTML_IMAGES_PNG): HTML/%.png : %.png
--- a/doc/interpreter/dynamic.txi Wed Apr 25 14:22:34 2007 +0000 +++ b/doc/interpreter/dynamic.txi Wed Apr 25 15:54:59 2007 +0000 @@ -81,17 +81,7 @@ @example @group -#include <octave/oct.h> - -DEFUN_DLD (helloworld, args, nargout, - "Hello World Help String") -@{ - int nargin = args.length (); - octave_stdout << "Hello World has " << nargin - << " input arguments and " - << nargout << " output arguments.\n"; - return octave_value_list (); -@} +@verbatiminclude @value{top_srcdir}/examples/helloworld.cc @end group @end example @@ -277,22 +267,7 @@ @example @group -#include <octave/oct.h> - -DEFUN_DLD (addtwomatrices, args, , "Add A to B") -@{ - int nargin = args.length (); - if (nargin != 2) - print_usage (); - else - @{ - NDArray A = args(0).array_value (); - NDArray B = args(1).array_value (); - if (! error_state) - return octave_value (A + B); - @} - return octave_value_list (); -@} +@verbatiminclude @value{top_srcdir}/examples/addtwomatrices.cc @end group @end example @@ -355,38 +330,7 @@ @example @group -#include <octave/oct.h> - -DEFUN_DLD (stringdemo, args, , "String Demo") -@{ - int nargin = args.length (); - octave_value_list retval; - - if (nargin != 1) - print_usage (); - else - @{ - charMatrix ch = args(0).char_matrix_value (); - - if (! error_state) - @{ - if (args(0).is_sq_string ()) - retval(1) = octave_value (ch, true); - else - retval(1) = octave_value (ch, true, '\''); - - octave_idx_type nr = ch.rows(); - for (octave_idx_type i = 0; i < nr / 2; i++) - @{ - std::string tmp = ch.row_as_string (i); - ch.insert (ch.row_as_string(nr-i-1).c_str(), i, 0); - ch.insert (tmp.c_str(), nr-i-1, 0); - @} - retval(0) = octave_value (ch, true); - @} - @} - return retval; -@} +@verbatiminclude @value{top_srcdir}/examples/stringdemo.cc @end group @end example @@ -431,8 +375,11 @@ octave_value_list retval; charNDArray c; @dots{} -retval(0) = octave_value (ch, true); // Create a double quoted string -retval(1) = octave_value (ch, true, '\''); // Create single quoted string +// Create single quoted string +retval(1) = octave_value (ch, true, '\''); + +// Create a double quoted string +retval(0) = octave_value (ch, true); @end group @end example @@ -446,25 +393,7 @@ @example @group -#include <octave/oct.h> -#include <octave/Cell.h> - -DEFUN_DLD (celldemo, args, , "Cell Demo") -@{ - octave_value_list retval; - int nargin = args.length(); - - if (nargin != 1) - print_usage (); - else - @{ - Cell c = args (0).cell_value (); - if (! error_state) - for (octave_idx_type i = 0; i < c.nelem (); i++) - retval(i) = c.elem (i); - @} - return retval; -@} +@verbatiminclude @value{top_srcdir}/examples/celldemo.cc @end group @end example @@ -498,42 +427,7 @@ @example @group -#include <octave/oct.h> -#include <octave/ov-struct.h> - -DEFUN_DLD (structdemo, args, , "Struct demo.") -@{ - int nargin = args.length (); - octave_value retval; - - if (nargin != 2) - print_usage (); - else - @{ - Octave_map arg0 = args(0).map_value (); - std::string arg1 = args(1).string_value (); - - if (! error_state && arg0.contains (arg1)) - @{ - // The following two lines might be written as - // octave_value tmp; - // for (Octave_map::iterator p0 = arg0.begin() ; - // p0 != arg0.end(); p0++ ) - // if (arg0.key (p0) == arg1) - // @{ - // tmp = arg0.contents (p0) (0); - // break; - // @} - // though using seek is more concise. - Octave_map::const_iterator p1 = arg0.seek (arg1); - octave_value tmp = arg0.contents( p1 ) (0); - Octave_map st; - st.assign ("selected", tmp); - retval = octave_value (st); - @} - @} - return retval; -@} +@verbatiminclude @value{top_srcdir}/examples/structdemo.cc @end group @end example @@ -605,9 +499,11 @@ of non-zero elements rather than the product of the dimensions. Therefore @example - SparseMatrix sm; - @dots{} - int nel = sm.nelem (); +@group +SparseMatrix sm; +@dots{} +int nel = sm.nelem (); +@end group @end example returns the number of non-zero elements. If the user really requires the @@ -630,12 +526,14 @@ code like @example - SparseMatrix sm; - @dots{} - for (int j = 0; j < nc; j++) - for (int i = 0; i < nr; i++) - std::cerr << " (" << i << "," << j << "): " << sm(i,j) - << std::endl; +@group +SparseMatrix sm; +@dots{} +for (int j = 0; j < nc; j++) + for (int i = 0; i < nr; i++) + std::cerr << " (" << i << "," << j << "): " << sm(i,j) + << std::endl; +@end group @end example is a great way of turning the sparse matrix into a dense one, and a @@ -649,13 +547,15 @@ is not a costly operation. For example, the above would become @example - SparseMatrix sm; - @dots{} - const SparseMatrix tmp (sm); - for (int j = 0; j < nc; j++) - for (int i = 0; i < nr; i++) - std::cerr << " (" << i << "," << j << "): " << tmp(i,j) - << std::endl; +@group +SparseMatrix sm; +@dots{} +const SparseMatrix tmp (sm); +for (int j = 0; j < nc; j++) + for (int i = 0; i < nr; i++) + std::cerr << " (" << i << "," << j << "): " << tmp(i,j) + << std::endl; +@end group @end example Finally, as the sparse types aren't just represented as a contiguous @@ -682,16 +582,19 @@ technique @example - int nz = 4, nr = 3, nc = 4; - ColumnVector ridx (nz); - ColumnVector cidx (nz); - ColumnVector data (nz); +@group +int nz = 4, nr = 3, nc = 4; + +ColumnVector ridx (nz); +ColumnVector cidx (nz); +ColumnVector data (nz); - ridx(0) = 0; ridx(1) = 0; ridx(2) = 1; ridx(3) = 2; - cidx(0) = 0; cidx(1) = 1; cidx(2) = 3; cidx(3) = 3; - data(0) = 1; data(1) = 2; data(2) = 3; data(3) = 4; +ridx(0) = 0; ridx(1) = 0; ridx(2) = 1; ridx(3) = 2; +cidx(0) = 0; cidx(1) = 1; cidx(2) = 3; cidx(3) = 3; +data(0) = 1; data(1) = 2; data(2) = 3; data(3) = 4; - SparseMatrix sm (data, ridx, cidx, nr, nc); +SparseMatrix sm (data, ridx, cidx, nr, nc); +@end group @end example @noindent @@ -714,9 +617,11 @@ easiest way to do this is @example - int nz = 4, nr = 3, nc = 4; - SparseMatrix sm (nr, nc, nz); - sm(0,0) = 1; sm(0,1) = 2; sm(1,3) = 3; sm(2,3) = 4; +@group +int nz = 4, nr = 3, nc = 4; +SparseMatrix sm (nr, nc, nz); +sm(0,0) = 1; sm(0,1) = 2; sm(1,3) = 3; sm(2,3) = 4; +@end group @end example That creates the same matrix as previously. Again, although it is not @@ -732,9 +637,11 @@ with fewer elements than are actually inserted in the matrix. Therefore @example - int nz = 4, nr = 3, nc = 4; - SparseMatrix sm (nr, nc, 0); - sm(0,0) = 1; sm(0,1) = 2; sm(1,3) = 3; sm(2,3) = 4; +@group +int nz = 4, nr = 3, nc = 4; +SparseMatrix sm (nr, nc, 0); +sm(0,0) = 1; sm(0,1) = 2; sm(1,3) = 3; sm(2,3) = 4; +@end group @end example @noindent @@ -760,7 +667,9 @@ the use of @dfn{maybe_compress} is @example +@group int nz = 6, nr = 3, nc = 4; + SparseMatrix sm1 (nr, nc, nz); sm1(0,0) = 1; sm1(0,1) = 2; sm1(1,3) = 3; sm1(2,3) = 4; sm1.maybe_compress (); // No zero elements were added @@ -769,6 +678,7 @@ sm2(0,0) = 1; sm2(0,1) = 2; sm(0,2) = 0; sm(1,2) = 0; sm1(1,3) = 3; sm1(2,3) = 4; sm2.maybe_compress (true); // Zero elements were added +@end group @end example The use of the @dfn{maybe_compress} function should be avoided if @@ -783,31 +693,31 @@ @c { with @{, etc @example - octave_value arg; - - @dots{} - - int nz = 6, nr = 3, nc = 4; // Assume we know the max no nz - SparseMatrix sm (nr, nc, nz); - Matrix m = arg.matrix_value (); +@group +octave_value arg; +@dots{} +int nz = 6, nr = 3, nc = 4; // Assume we know the max no nz +SparseMatrix sm (nr, nc, nz); +Matrix m = arg.matrix_value (); - int ii = 0; - sm.cidx (0) = 0; - for (int j = 1; j < nc; j++) - @{ - for (int i = 0; i < nr; i++) - @{ - double tmp = foo (m(i,j)); - if (tmp != 0.) - @{ - sm.data(ii) = tmp; - sm.ridx(ii) = i; - ii++; - @} - @} - sm.cidx(j+1) = ii; - @} - sm.maybe_compress (); // If don't know a-priori the final no of nz. +int ii = 0; +sm.cidx (0) = 0; +for (int j = 1; j < nc; j++) + @{ + for (int i = 0; i < nr; i++) + @{ + double tmp = foo (m(i,j)); + if (tmp != 0.) + @{ + sm.data(ii) = tmp; + sm.ridx(ii) = i; + ii++; + @} + @} + sm.cidx(j+1) = ii; + @} +sm.maybe_compress (); // If don't know a-priori the final no of nz. +@end group @end example @noindent @@ -819,36 +729,36 @@ The above example would then be modified as @example - octave_value arg; - - @dots{} - - int nz = 6, nr = 3, nc = 4; // Assume we know the max no nz - SparseMatrix sm (nr, nc, nz); - Matrix m = arg.matrix_value (); +@group +octave_value arg; +@dots{} +int nz = 6, nr = 3, nc = 4; // Assume we know the max no nz +SparseMatrix sm (nr, nc, nz); +Matrix m = arg.matrix_value (); - int ii = 0; - sm.cidx (0) = 0; - for (int j = 1; j < nc; j++) - @{ - for (int i = 0; i < nr; i++) - @{ - double tmp = foo (m(i,j)); - if (tmp != 0.) - @{ - if (ii == nz) - @{ - nz += 2; // Add 2 more elements - sm.change_capacity (nz); - @} - sm.data(ii) = tmp; - sm.ridx(ii) = i; - ii++; - @} - @} - sm.cidx(j+1) = ii; - @} - sm.maybe_mutate (); // If don't know a-priori the final no of nz. +int ii = 0; +sm.cidx (0) = 0; +for (int j = 1; j < nc; j++) + @{ + for (int i = 0; i < nr; i++) + @{ + double tmp = foo (m(i,j)); + if (tmp != 0.) + @{ + if (ii == nz) + @{ + nz += 2; // Add 2 more elements + sm.change_capacity (nz); + @} + sm.data(ii) = tmp; + sm.ridx(ii) = i; + ii++; + @} + @} + sm.cidx(j+1) = ii; + @} +sm.maybe_mutate (); // If don't know a-priori the final no of nz. +@end group @end example Note that both increasing and decreasing the number of non-zero elements in @@ -867,17 +777,17 @@ following example @example - octave_value_list retval; - - SparseMatrix sm = args(0).sparse_matrix_value (); - SparseComplexMatrix scm = args(1).sparse_complex_matrix_value (); - SparseBoolMatrix sbm = args(2).sparse_bool_matrix_value (); +@group +octave_value_list retval; - @dots{} - - retval(2) = sbm; - retval(1) = scm; - retval(0) = sm; +SparseMatrix sm = args(0).sparse_matrix_value (); +SparseComplexMatrix scm = args(1).sparse_complex_matrix_value (); +SparseBoolMatrix sbm = args(2).sparse_bool_matrix_value (); +@dots{} +retval(2) = sbm; +retval(1) = scm; +retval(0) = sm; +@end group @end example The conversion to an octave-value is handled by the sparse @@ -897,31 +807,7 @@ @example @group -#include <octave/oct.h> - -DEFUN_DLD (globaldemo, args, , "Global demo.") -@{ - int nargin = args.length(); - octave_value retval; - - if (nargin != 1) - print_usage (); - else - @{ - std::string s = args(0).string_value (); - if (! error_state) - @{ - octave_value tmp = get_global_value (s, true); - if (tmp.is_defined ()) - retval = tmp; - else - retval = "Global variable not found"; - - set_global_value ("a", 42.0); - @} - @} - return retval; -@} +@verbatiminclude @value{top_srcdir}/examples/globaldemo.cc @end group @end example @@ -964,39 +850,7 @@ @example @group -#include <octave/oct.h> -#include <octave/parse.h> - -DEFUN_DLD (funcdemo, args, nargout, "Function Demo") -@{ - int nargin = args.length(); - octave_value_list retval; - - if (nargin < 2) - print_usage (); - else - @{ - octave_value_list newargs; - for (octave_idx_type i = nargin - 1; i > 0; i--) - newargs (i - 1) = args(i); - if (args(0).is_function_handle () || - args(0).is_inline_function ()) - @{ - octave_function *fcn = args(0).function_value (); - if (! error_state) - retval = feval (fcn, newargs, nargout); - @} - else if (args(0).is_string ()) - @{ - std::string fcn = args (0).string_value (); - if (! error_state) - retval = feval (fcn, newargs, nargout); - @} - else - error ("funcdemo: expected string, inline or function handle"); - @} - return retval; -@} +@verbatiminclude @value{top_srcdir}/examples/funcdemo.cc @end group @end example @@ -1025,15 +879,15 @@ @example @group - std::octave fcn_name = unique_symbol_name ("__fcn__"); - std::string fname = "function y = "; - fname.append (fcn_name); - fname.append ("(x) y = "); - fcn = extract_function (args(0), "funcdemo", fcn_name, - fname, "; endfunction"); - @dots{} - if (fcn_name.length ()) - clear_function (fcn_name); +std::octave fcn_name = unique_symbol_name ("__fcn__"); +std::string fname = "function y = "; +fname.append (fcn_name); +fname.append ("(x) y = "); +fcn = extract_function (args(0), "funcdemo", fcn_name, + fname, "; endfunction"); +@dots{} +if (fcn_name.length ()) + clear_function (fcn_name); @end group @end example @@ -1095,45 +949,7 @@ @example @group -#include <octave/oct.h> -#include <octave/f77-fcn.h> - -extern "C" -@{ - F77_RET_T - F77_FUNC (fortsub, FORTSUB) - (const int&, double*, F77_CHAR_ARG_DECL - F77_CHAR_ARG_LEN_DECL); -@} - -DEFUN_DLD (fortdemo, args, , "Fortran Demo.") -@{ - octave_value_list retval; - int nargin = args.length(); - if (nargin != 1) - print_usage (); - else - @{ - NDArray a = args(0).array_value (); - if (! error_state) - @{ - double *av = a.fortran_vec (); - octave_idx_type na = a.nelem (); - OCTAVE_LOCAL_BUFFER (char, ctmp, 128); - - F77_XFCN (fortsub, FORTSUB, (na, av, ctmp F77_CHAR_ARG_LEN (128))); - - if (f77_exception_encountered) - error ("fortdemo: error in fortran"); - else - @{ - retval(1) = std::string (ctmp); - retval(0) = a; - @} - @} - @} - return retval; -@} +@verbatiminclude @value{top_srcdir}/examples/fortdemo.cc @end group @end example @@ -1142,26 +958,7 @@ @example @group - subroutine fortsub (n, a, s) - implicit none - character*(*) s - real*8 a(*) - integer*4 i, n, ioerr - do i = 1, n - if (a (i) .eq. 0d0) then - call xstopx ('fortsub:divide by zero') - else - a (i) = 1d0 / a (i) - end if - end do - write (unit = s, fmt = '(a,i3,a,a)', iostat = ioerr) - $ 'There are ', n, ' values in the input vector', - $ char(0) - if (ioerr .ne. 0) then - call xstopx ('fortsub: error writing string') - end if - return - end +@verbatiminclude @value{top_srcdir}/examples/fortsub.f @end group @end example @@ -1215,11 +1012,11 @@ @example @group - for (octave_idx_type i = 0; i < a.nelem (); i++) - @{ - OCTAVE_QUIT; - b.elem(i) = 2. * a.elem(i); - @} +for (octave_idx_type i = 0; i < a.nelem (); i++) + @{ + OCTAVE_QUIT; + b.elem(i) = 2. * a.elem(i); + @} @end group @end example @@ -1239,9 +1036,9 @@ @example @group - BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; - @dots{} some code that calls a "foreign" function @dots{} - END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; +BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; +@dots{} some code that calls a "foreign" function @dots{} +END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; @end group @end example @@ -1259,37 +1056,7 @@ @example @group -#include <octave/oct.h> -#include <octave/unwind-prot.h> - -void -err_hand (const char *fmt, ...) -@{ - // Do nothing!! -@} - -DEFUN_DLD (unwinddemo, args, nargout, "Unwind Demo") -@{ - int nargin = args.length(); - octave_value retval; - if (nargin < 2) - print_usage (); - else - @{ - NDArray a = args(0).array_value (); - NDArray b = args(1).array_value (); - - if (! error_state) - @{ - unwind_protect::begin_frame ("Funwinddemo"); - unwind_protect_ptr (current_liboctave_warning_handler); - set_liboctave_warning_handler (err_hand); - retval = octave_value (quotient (a, b)); - unwind_protect::run_frame ("Funwinddemo"); - @} - @} - return retval; -@} +@verbatiminclude @value{top_srcdir}/examples/unwinddemo.cc @end group @end example @@ -1364,16 +1131,7 @@ @example @group -#include "mex.h" - -void -mexFunction (int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[]) -@{ - mxArray *v = mxCreateDoubleMatrix (1, 1, mxREAL); - double *data = mxGetPr (v); - *data = 1.23456789; - plhs[0] = v; -@} +@verbatiminclude @value{top_srcdir}/examples/firstmexdemo.c @end group @end example
--- a/examples/Makefile.in Wed Apr 25 14:22:34 2007 +0000 +++ b/examples/Makefile.in Wed Apr 25 15:54:59 2007 +0000 @@ -27,6 +27,7 @@ SOURCES = \ addtwomatrices.cc \ celldemo.cc \ + firstmexdemo.c \ fortdemo.cc \ fortsub.f \ funcdemo.cc \
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/examples/firstmexdemo.c Wed Apr 25 15:54:59 2007 +0000 @@ -0,0 +1,10 @@ +#include "mex.h" + +void +mexFunction (int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[]) +{ + mxArray *v = mxCreateDoubleMatrix (1, 1, mxREAL); + double *data = mxGetPr (v); + *data = 1.23456789; + plhs[0] = v; +}