Commit 0ee35f5b by Olivier Lantsoght

### [MBsysPy][Algebra][cross] Index_1 argument is converted only once to int.

parent 74130978
 ... ... @@ -210,13 +210,14 @@ def cross_product(v1, v2, vres=None, index_1=True): if vres is None: vres = np.zeros(3 + index_1) # For faster reading, terms are aligned. index_1 = int(index_1) # required as array[True] is not array[1] # For comprenhension: # index_1 + 0 is index [1], index_1 alone does not work as index_1 is True/False # index_1 is index [1] # index_1 + 1 is index [2] # index_1 + 2 is index [3] vres[index_1 + 0] = v1[index_1 + 1] * v2[index_1 + 2] - v1[index_1 + 2] * v2[index_1 + 1] vres[index_1 + 1] = v1[index_1 + 2] * v2[index_1 + 0] - v1[index_1 + 0] * v2[index_1 + 2] vres[index_1 + 2] = v1[index_1 + 0] * v2[index_1 + 1] - v1[index_1 + 1] * v2[index_1 + 0] vres[index_1 ] = v1[index_1 + 1] * v2[index_1 + 2] - v1[index_1 + 2] * v2[index_1 + 1] vres[index_1 + 1] = v1[index_1 + 2] * v2[index_1 ] - v1[index_1 ] * v2[index_1 + 2] vres[index_1 + 2] = v1[index_1 ] * v2[index_1 + 1] - v1[index_1 + 1] * v2[index_1 ] # And the previous formulaes are the cross product of 2 vector of 3 elements, first element being in index [1]. return vres ... ...
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