Passing a cython function vs a cython method to scipy.integrate

Question

I am trying work out how to use cython to speed up a calculation involving integration that is done within a class I have defined. I\'m trying to understand better how cytho

Answer 1

From hpaulj's help above: the answer is the _integrand method needs to be declared cpdef not cdef

cpdef double _integrand(self, double x):
    """Cython: integrand inside the class"""
    cdef double f = log(x) / sqrt(x)
    return f