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a_double_assign_xam.py

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Python: a_double Assignment Operators: Example and Test

def a_double_assign_xam() :
   #
   import numpy
   import cppad_py
   #
   # initialize return variable
   ok = True
   # ---------------------------------------------------------------------
   #
   ax = cppad_py.a_double(3.0);
   ok = ok and ax == 3.0
   #
   ax += cppad_py.a_double(2.0);
   ok = ok and ax == 5.0
   #
   ax -= 1.0;
   ok = ok and ax == cppad_py.a_double(4.0)
   #
   ax *= cppad_py.a_double(3.0);
   ok = ok and ax == 12.0
   #
   ax /= 4.0;
   ok = ok and ax == cppad_py.a_double(3.0)
   #
   return( ok )
#