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[python] matplotlib: handle case hist([])

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Émilie Feral
2020-03-31 12:03:41 +02:00
parent 3987167419
commit e5660635d6
1 changed files with 4 additions and 0 deletions
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4
python/port/mod/matplotlib/pyplot/modpyplot.cpp
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@@ -219,9 +219,13 @@ mp_obj_t modpyplot_hist(size_t n_args, const mp_obj_t *args) {
// Sort data to easily get the minimal and maximal value and count bin sizes
mp_obj_t * xItems;
size_t xLength = extractArgument(args[0], &xItems);
if (xLength == 0) {
return mp_const_none;
}
mp_obj_t xList = mp_obj_new_list(xLength, xItems);
mp_obj_list_sort(1, &xList, (mp_map_t*)&mp_const_empty_map);
mp_obj_list_get(xList, &xLength, &xItems);
assert(xLength > 0);
mp_float_t min = mp_obj_get_float(xItems[0]);
mp_float_t max = mp_obj_get_float(xItems[xLength - 1]);