@technobuddha/library
Version:
A large library of useful functions
21 lines • 1.47 kB
JavaScript
/**
* Reconstructs a number from its deconstructed representation.
* @param deconstructed - An object containing the sign, mantissa, and exponent of the number.
* @returns The reconstructed number.
* @example
* ```typescript
* constructNumber({ sign: 1, mantissa: '123', exponent: 0 }); // 1.23
* constructNumber({ sign: -1, mantissa: '500', exponent: 2 }); // -5
* constructNumber({ sign: 1, mantissa: '', exponent: 0 }); // 0
* ```
* @group Math
* @category Number
*/
export function constructNumber(deconstructed) {
if (deconstructed.mantissa === '') {
return deconstructed.sign * 0;
}
return (deconstructed.sign *
Number.parseFloat(`${deconstructed.mantissa.slice(0, 1)}.${deconstructed.mantissa.slice(1)}e${deconstructed.exponent}`));
}
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