Mercurial > octave-dspies
annotate examples/mystring.c @ 19010:3fb030666878 draft default tip dspies
Added special-case logical-indexing function
* logical-index.h (New file) : Logical-indexing function. May be called on
octave_value types via call_bool_index
* nz-iterators.h : Add base-class nz_iterator for iterator types. Array has
template bool for whether to internally store row-col or compute on the fly
Add skip_ahead method which skips forward to the next nonzero after its
argument
Add flat_index for computing octave_idx_type index of current position (with
assertion failure in the case of overflow)
Move is_zero to separate file
* ov-base-diag.cc, ov-base-mat.cc, ov-base-sparse.cc, ov-perm.cc
(do_index_op): Add call to call_bool_index in logical-index.h
* Array.h : Move forward-declaration for array_iterator to separate header file
* dim-vector.cc (dim_max): Refers to idx-bounds.h (max_idx)
* array-iter-decl.h (New file): Header file for forward declaration of
array-iterator
* direction.h : Add constants fdirc and bdirc to avoid having to reconstruct
them
* dv-utils.h, dv-utils.cc (New files) :
Utility functions for querying and constructing dim-vectors
* idx-bounds.h (New file) :
Utility constants and functions for determining whether things will overflow
the maximum allowed bounds
* interp-idx.h (New function : to_flat_idx) : Converts row-col pair to linear
index of octave_idx_type
* is-zero.h (New file) : Function for determining whether an element is zero
* logical-index.tst : Add tests for correct return-value dimensions and large
sparse matrix behavior
author | David Spies <dnspies@gmail.com> |
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date | Fri, 25 Jul 2014 13:39:31 -0600 |
parents | 224e76250443 |
children |
rev | line source |
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6593 | 1 #include <string.h> |
2 #include "mex.h" | |
3 | |
4 void | |
16867
be41c30bcb44
Re-write documentation and all examples of dynamically linked functions.
Rik <rik@octave.org>
parents:
9932
diff
changeset
|
5 mexFunction (int nlhs, mxArray *plhs[], |
be41c30bcb44
Re-write documentation and all examples of dynamically linked functions.
Rik <rik@octave.org>
parents:
9932
diff
changeset
|
6 int nrhs, const mxArray *prhs[]) |
6593 | 7 { |
16867
be41c30bcb44
Re-write documentation and all examples of dynamically linked functions.
Rik <rik@octave.org>
parents:
9932
diff
changeset
|
8 mwSize m, n; |
6686 | 9 mwIndex i, j; |
6593 | 10 mxChar *pi, *po; |
11 | |
17791
224e76250443
Use GNU style coding conventions for code in examples/
Rik <rik@octave.org>
parents:
16867
diff
changeset
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12 if (nrhs != 1 || ! mxIsChar (prhs[0]) |
224e76250443
Use GNU style coding conventions for code in examples/
Rik <rik@octave.org>
parents:
16867
diff
changeset
|
13 || mxGetNumberOfDimensions (prhs[0]) > 2) |
16867
be41c30bcb44
Re-write documentation and all examples of dynamically linked functions.
Rik <rik@octave.org>
parents:
9932
diff
changeset
|
14 mexErrMsgTxt ("ARG1 must be a char matrix"); |
6593 | 15 |
16 m = mxGetM (prhs[0]); | |
17 n = mxGetN (prhs[0]); | |
18 pi = mxGetChars (prhs[0]); | |
16867
be41c30bcb44
Re-write documentation and all examples of dynamically linked functions.
Rik <rik@octave.org>
parents:
9932
diff
changeset
|
19 plhs[0] = mxCreateNumericMatrix (m, n, mxCHAR_CLASS, mxREAL); |
6593 | 20 po = mxGetChars (plhs[0]); |
21 | |
22 for (j = 0; j < n; j++) | |
23 for (i = 0; i < m; i++) | |
16867
be41c30bcb44
Re-write documentation and all examples of dynamically linked functions.
Rik <rik@octave.org>
parents:
9932
diff
changeset
|
24 po[j*m + m - 1 - i] = pi[j*m + i]; |
6593 | 25 } |