| |
| |
| |
| |
| @@ -308,7 +308,7 @@ def apnumber(value: NumberOrString) -> str: |
| return _(_APNUMBER_WORDS[value]) |
| |
| |
| -def fractional(value: NumberOrString) -> str: |
| +def fractional(value: NumberOrString, *, max_denominator: int = 1000) -> str: |
| """Convert to fractional number. |
| |
| There will be some cases where one might not want to show ugly decimal places for |
| @@ -343,12 +343,20 @@ def fractional(value: NumberOrString) -> str: |
| |
| Args: |
| value (int, float, str): Integer to convert. |
| + max_denominator (int): Largest denominator allowed in the approximation. |
| |
| Returns: |
| str: Fractional number as a string. |
| """ |
| import math |
| |
| + if ( |
| + isinstance(max_denominator, bool) |
| + or not isinstance(max_denominator, int) |
| + or max_denominator <= 0 |
| + ): |
| + raise ValueError("max_denominator must be a positive integer") |
| + |
| try: |
| number = float(value) |
| if not math.isfinite(number): |
| @@ -358,7 +366,7 @@ def fractional(value: NumberOrString) -> str: |
| from fractions import Fraction |
| |
| whole_number = int(number) |
| - frac = Fraction(number - whole_number).limit_denominator(1000) |
| + frac = Fraction(number - whole_number).limit_denominator(max_denominator) |
| numerator = frac.numerator |
| denominator = frac.denominator |
| if whole_number and not numerator and denominator == 1: |
|
|
