BLI_utildefines_iter: Use for iteration helpers
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/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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#ifndef __BLI_UTILDEFINES_ITER_H__
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#define __BLI_UTILDEFINES_ITER_H__
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/** \file BLI_utildefines_iter.h
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* \ingroup bli
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*
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* General looping helpers, use `BLI_FOREACH` prefix.
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*/
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/**
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* Even value distribution.
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*
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* \a src must be larger than \a dst,
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* \a dst defines the number of iterations, their values are evenly spaced.
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*
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* The following pairs represent (src, dst) arguments and the values they loop over.
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* <pre>
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* (19, 4) -> [2, 7, 11. 16]
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* (100, 5) -> [9, 29, 49, 69, 89]
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* (100, 3) -> [16, 49, 83]
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* (100, 100) -> [0..99]
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* </pre>
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* \note this is mainly useful for numbers that might not divide evenly into eachother.
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*/
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#define BLI_FOREACH_SPARSE_RANGE(src, dst, i) \
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for (int _src = (src), _src2 = _src * 2, _dst2 = (dst) * 2, _error = _dst2 - _src, i = 0, _delta; \
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((void)(_delta = divide_floor_i(_error, _dst2)), \
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(void)(i -= _delta), \
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(i < _src)); \
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_error -= (_delta * _dst2) + _src2)
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#endif /* __BLI_UTILDEFINES_ITER_H__ */
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@ -32,6 +32,7 @@
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#include "BLI_math_vector.h"
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#include "BLI_listbase.h"
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#include "BLI_mempool.h"
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#include "BLI_utildefines_iter.h"
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#include "bmesh.h"
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@ -707,29 +708,6 @@ void BM_edgeloop_expand(
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split_swap = !split_swap;
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}
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/* TODO, move to generic define? */
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/**
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* Even value distribution.
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*
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* \a src must be larger than \a dst,
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* \a dst defines the number of iterations, their values are evenly spaced.
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*
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* The following pairs represent (src, dst) arguments and the values they loop over.
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* <pre>
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* (19, 4) -> [2, 7, 11. 16]
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* (100, 5) -> [9, 29, 49, 69, 89]
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* (100, 3) -> [16, 49, 83]
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* (100, 100) -> [0..99]
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* </pre>
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* \note this is mainly useful for numbers that might not divide evenly into eachother.
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*/
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#define BLI_FOREACH_SPARSE_RANGE(src, dst, i) \
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for (int _src = (src), _src2 = _src * 2, _dst2 = (dst) * 2, _error = _dst2 - _src, i = 0, _delta; \
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((void)(_delta = divide_floor_i(_error, _dst2)), \
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(void)(i -= _delta), \
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(i < _src)); \
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_error -= (_delta * _dst2) + _src2)
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if (el_store->len < el_store_len) {
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LinkData *node_curr = el_store->verts.first;
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