Function: mfiscuspidal
Section: modular_forms
C-Name: mfiscuspidal
Prototype: lG
Help: mfiscuspidal(F): Checks whether the modular forms F is cuspidal or not.
Doc:  Checks whether the modular forms $F$ is cuspidal or not.
 \bprog
 ? mfiscuspidal(mfDelta())
 %1 = 1
 ? mfiscuspidal(mfEk(12))
 %2 = 0
 @eprog
