Zero length curve extending - Grasshopper - McNeel Forum

How is this curve extending?, trying to mimic the grasshopper script in a C# script, I get the same two lines one with length and the other with 0.00 length but in the grasshopper script it extends unlike the C# script, my mind will explode on how is this curve extending and how did it decide the vector for extension

C#ScriptingForGrasshopper 1stedition 20200318, PDF, Data Type

Generation of elastic geodesic gridshells with anisotropic cross sections - Charles Haskell, Nicolas Montagne, Cyril Douthe, Olivier Baverel, Corentin Fivet, 2021

The Digital in Architecture

why can't grasshopper fillet two curves with radia bigger than half of their length? - Grasshopper

trimming curves at determined lengths - Grasshopper

Rhino/Grasshopper integration - BricsCAD BIM

Curve Division Length Changes for Some Reason - Grasshopper - McNeel Forum

Vorogrid: A static‐aware variable‐density Voronoi mesh to design the tube structure tessellation of tall buildings - Laccone - 2023 - Computer-Aided Civil and Infrastructure Engineering - Wiley Online Library

Automation of 3D average human body shape modeling using Rhino and Grasshopper Algorithm, Fashion and Textiles