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# SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file LICENSE.md in module root
# SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception
import numpy
from dune.grid import gridFunction, structuredGrid
fcalls = 0
gcalls = 0
def testGF_first(gridView):
global fcalls
global gcalls
@gridFunction(gridView)
def f(x):
global fcalls
fcalls += 1
return x[0]*x[1]
@gridFunction(gridView)
def g(e,x):
global gcalls
gcalls += 1
return e.geometry.toGlobal(x)
fcalls = 0
gcalls = 0
e = gridView.elements.__next__()
xLoc = numpy.array([[0,0.1,0.2,0.3],[0,0.4,0.6,0.8]])
xGlb = e.geometry.toGlobal(xLoc)
fcalls = 0
gcalls = 0
y=f(xGlb)
# print( y, fcalls)
assert fcalls == 1
y = g(e, xLoc)
# print( y, gcalls)
assert gcalls == 1
fcalls = 0
y = f(e,xLoc)
# print( y, fcalls)
assert fcalls == 1
fcalls = 0
gcalls = 0
lf = f.localFunction()
lg = g.localFunction()
lf.bind(e)
lg.bind(e)
y = lf(xLoc)
# print( y, fcalls)
assert fcalls == 1
y = lg(xLoc)
# print( y, gcalls)
assert gcalls == 1
lg.unbind()
lf.unbind()
if __name__ == "__main__":
gridView = structuredGrid([0,0],[1,1],[10,10])
testGF_first(gridView)
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