Threshold limit of NNLO massive coefficient functions

Classes
class	apfel::Cmth23gNC
	O(αs3) gluon coefficient function for F2 near threshold. Reference: https://arxiv.org/pdf/1205.5727. More...
class	apfel::CmthL3gNC
	O(αs3) gluon coefficient function for FL near threshold. Reference: https://arxiv.org/pdf/1205.5727. More...

Detailed Description