remove use of 'LEN2'
The LEN2
macro computes something that has since been standardized as hypot
. This change replaces uses of the former with the latter. The MR does not remove the definition of LEN2
because this would be an API break and it does not seem worth it.
Also:
- make
BOX
andCIRCLE
macros first class C things
Edited by Matthew Fernandez