hyloa.utils.err_format module

Code to ensure correct print format for error

hyloa.utils.err_format.format_value_error(val, err)[source]

A function that returns the formatting of the measurement with error in the form: value(error). Therefore, the error refers to the last digit of the value. Only one significant digit for the error is displayed. If the error is smalle than 1e-3 or bigger 1e3 the scientific notation will be used.

Parameters:

val (float) – central values
err (float) – error associated to val

Return type:

string

Examples

>>> print(format_value_error(1.234598, 0.01631)
1.23(2)
>>> print(format_value_error(1234.523, 12.0)
1235(12)
>>> print(format_value_error(12300000.0 ± 340000.0)
1.23(3)e7
>>> print(format_value_error(5.6e-05, 1.2e-06)
5.6(1)e-5