bit_truncate_double

caput.util.truncate.bit_truncate_double(val: numpy.float64, err: numpy.float64) → numpy.float64

Truncate using a fixed error.

Parameters:

valfloat

The value to truncate.

errfloat

The absolute precision to allow.

Returns:

truncatedfloat

The truncated value.

Raises:

ValueError

If err is a NaN.