def testFtInverse(self):
importOp("Ft")
importOp("Gen")
size = 1024
v = self.genSpectrum(size)
vSave = Vec(size, True)
v.copy(vSave)
op = Ft(False, False)
op.eval(v)
iop = op.getInverseOp()
iop.eval(v)
v.subtract(vSave)
self.isAlmostEqualTo(v.getList(), 0.0)
vSave.copy(v)
op = Ft(True, False)
op.eval(v)
iop = op.getInverseOp()
iop.eval(v)
v.subtract(vSave)
self.isAlmostEqualTo(v.getList(), 0.0)
vSave.copy(v)
op = Ft(False, True)
op.eval(v)
iop = op.getInverseOp()
iop.eval(v)
v.subtract(vSave)
self.isAlmostEqualTo(v.getList(), 0.0)
def testIft(self):
importOp("Ft")
importOp("Ift")
importOp("Gen")
size = 1024
v = Vec(size, True)
vSave = Vec(size, True)
sw = 1000.0
dwell = 1.0 / sw
v.setDwellTime(dwell)
op = Gen(1000.0, 10.0, 100.0, 0.0)
op.eval(v)
v.copy(vSave)
op = Ft(False, False)
op.eval(v)
op = Ift()
op.eval(v)
v.subtract(vSave)
self.isAlmostEqualTo(v.getList(), 0.0)
