delu.Timer.sub

Timer.sub(delta)

Subtract non-negative delta from the shift.

Parameters

delta (float) –

Raises

AssertionError – if delta is negative

Return type

None

Examples

timer = Timer()
assert timer() == 0.0
timer.sub(1.0)
assert timer() == -1.0
timer.sub(2.0)
assert timer() == -3.0