def C()

in threestudio/utils/misc.py [0:0]

• 33 lines of code
• 11 McCabe index (conditional complexity)

def C(value: Any, epoch: int, global_step: int) -> float:
    if isinstance(value, int) or isinstance(value, float):
        pass
    else:
        value = config_to_primitive(value)
        if not isinstance(value, list):
            raise TypeError("Scalar specification only supports list, got", type(value))
        if len(value) == 3:
            value = [0] + value
        if len(value) >= 6:
            select_i = 3
            for i in range(3, len(value) - 2, 2):
                if global_step >= value[i]:
                    select_i = i + 2
            if select_i != 3:
                start_value, start_step = value[select_i - 3], value[select_i - 2]
            else:
                start_step, start_value = value[:2]
            end_value, end_step = value[select_i - 1], value[select_i]
            value = [start_step, start_value, end_value, end_step]
        assert len(value) == 4
        start_step, start_value, end_value, end_step = value
        if isinstance(end_step, int):
            current_step = global_step
            value = start_value + (end_value - start_value) * max(
                min(1.0, (current_step - start_step) / (end_step - start_step)), 0.0
            )
        elif isinstance(end_step, float):
            current_step = epoch
            value = start_value + (end_value - start_value) * max(
                min(1.0, (current_step - start_step) / (end_step - start_step)), 0.0
            )
    return value