qiskit.utils.apply_prefix¶
- apply_prefix(value, unit)[ソース]¶
Given a SI unit prefix and value, apply the prefix to convert to standard SI unit.
- パラメータ
value (
Union
[float
,ParameterExpression
]) – The number to apply prefix to.unit (
str
) – String prefix.
- 戻り値の型
float
- 戻り値
Converted value.
注釈
This may induce tiny value error due to internal representation of float object. See https://docs.python.org/3/tutorial/floatingpoint.html for details.
- 例外
ValueError – If the
units
aren’t recognized.