Function/callback.py

This example looks at the Callback class

View output (PDF) | source (python)

See also

casadi::Callback();

 
from casadi import *
 


 






 
class Fac(Callback):
  def __init__(self, name, opts={}):
    Callback.__init__(self)
    self.construct(name, opts)
 
  def get_n_in(self): return 1
  def get_n_out(self): return 1
 
  def eval(self, arg):
    x = arg[0]
    y = 1
    for i in range(int(x)):
      y*=(i+1)
    return [y]
 
fac = Fac('fac')
 

y = fac(4)
 
print("4! = ", y)
 


 
x = MX.sym("x")
y = fac(x)
 
f = Function('f', [x],[y])
 
y = f(5)
 
print("5! = ", y)