class AccuFloat(Node):
""" Float Accumulator
Add to a Float (in datapool) the receive value
:param inputs: a list containing the value to append and
the name of the datapool variable
"""
def __init__(self, inputs, outputs):
Node.__init__(self, inputs, outputs)
self.pool = DataPool()
def __call__(self, inputs):
varname = inputs[1]
value = inputs[0]
if(not varname):
varname = "AccuFloat_%i" % (id(self))
# Create datapool variable if necessary
if(not self.pool.has_key(varname) or
not isinstance(self.pool[varname], float)):
self.pool[varname] = 0.
self.set_caption("float accumulator : %s" % (repr(str(varname))))
self.pool[varname] += float(value)
return (self.pool[varname], )
