breaks out of the loop prematurely, it needs to free it with free(). */
#define PIVOT_AXIS_FOR_EACH(INDEXES, AXIS) \
for ((INDEXES) = NULL; \
- ((INDEXES) = pivot_axis_iterator_next (INDEXES, AXIS)) != NULL; )
+ ((INDEXES) = pivot_axis_iterator_next (INDEXES, AXIS)) != NULL;)
size_t *pivot_axis_iterator_next (size_t *indexes, const struct pivot_axis *);
\f
/* Dimensions.