# Elliptic and Related Functions

## WEIERSTRASS ELLIPTIC AND RELATED FUNCTIONS

ROUTINE DESCRIPTION
CWPL Evaluates the Weierstrass function in the lemniscatic case for complex argument with unit period parallelogram.
CWPLD Evaluates the first derivative of the Weierstrass function in the lemniscatic case for complex argument with unit period parallelogram.
CWPQ Evaluates the Weierstrass function in the equianharmonic case for complex argument with unit period parallelogram.
CWPQD Evaluates the first derivative of the Weierstrass function in the equianharmonic case for complex argument with unit period parallelogram.

## JACOBI ELLIPTIC FUNCTIONS

ROUTINE DESCRIPTION
EJSN Evaluates the Jacobi elliptic function sn(x, m).
EJCN Evaluates the Jacobi elliptic function cn(x, m).
EJDN Evaluates the Jacobi elliptic function dn(x, m).