Returns the number of nodes in the graph

Parametrize the graph fixture

Return a named tuple of the first record in the array.

Sets the rng for a generator

Sort the array in-place and return sorted array.

Test adding a branch to the custom grid

Test that .as_df() can convert an array to a pandas DataFrame.

Test automatic tap regulator Network: (tap_side) (control side) source_1 --- node_2 --- transformer_5 --- node_3 ---

Test whether a pgm model can be used in batch mode

Test that empty grid can be loaded from cache

Test that empty grid can be cached

Test that empty grid can be cached with compression

Connect nodes

Create normally open points

Generate new routes

Number of routes