sympy-code.sagews

Sympy Code Generating Test

• Codegen
• Autowrap

%auto
from sympy.utilities.codegen import codegen
from sympy.utilities.autowrap import autowrap, binary_function
from sympy import symbols, oo, pprint, IndexedBase, Idx, Eq

x, y, z = symbols('x y z')
expr = ((1-x+y-z**2)**7).expand()
#binary_callable = autowrap(expr)
#binary_callable(2,3,1)

f = binary_function('f', expr)
f(x,y).evalf(2, subs = {x:1.1, y : -2.2})

Error in lines 5-5 Traceback (most recent call last): File "/mnt/home/2Qrdjpk5/.sagemathcloud/sage_server.py", line 494, in execute exec compile(block+'\n', '', 'single') in namespace, locals File "", line 1, in <module> File "/usr/local/sage/sage-5.10.rc1/local/lib/python2.7/site-packages/sympy/utilities/autowrap.py", line 406, in binary_function binary = autowrap(expr, **kwargs) File "/usr/local/sage/sage-5.10.rc1/local/lib/python2.7/site-packages/sympy/utilities/autowrap.py", line 386, in autowrap return code_wrapper.wrap_code(routine, helpers=helps) File "/usr/local/sage/sage-5.10.rc1/local/lib/python2.7/site-packages/sympy/utilities/autowrap.py", line 129, in wrap_code self._process_files(routine) File "/usr/local/sage/sage-5.10.rc1/local/lib/python2.7/site-packages/sympy/utilities/autowrap.py", line 153, in _process_files "Error while executing command: %s" % " ".join(command)) CodeWrapError: Error while executing command: f2py -m wrapper_module_4 -c wrapped_code_4.f90

A, x, y = map(IndexedBase, ['A', 'x', 'y'])
m, n = symbols('m n', integer=True)
i = Idx('i', m)
j = Idx('j', n)
expr = Eq(y[i], A[i, j]*x[j])
pprint(expr, use_unicode=True)

y[i] = A[i, j]⋅x[j]

matvec = autowrap(expr)
matvec

Error in lines 1-1 Traceback (most recent call last): File "/mnt/home/2Qrdjpk5/.sagemathcloud/sage_server.py", line 494, in execute exec compile(block+'\n', '', 'single') in namespace, locals File "", line 1, in <module> File "/usr/local/sage/sage-5.10.rc1/local/lib/python2.7/site-packages/sympy/utilities/autowrap.py", line 386, in autowrap return code_wrapper.wrap_code(routine, helpers=helps) File "/usr/local/sage/sage-5.10.rc1/local/lib/python2.7/site-packages/sympy/utilities/autowrap.py", line 129, in wrap_code self._process_files(routine) File "/usr/local/sage/sage-5.10.rc1/local/lib/python2.7/site-packages/sympy/utilities/autowrap.py", line 153, in _process_files "Error while executing command: %s" % " ".join(command)) CodeWrapError: Error while executing command: f2py -m wrapper_module_1 -c wrapped_code_1.f90