flo-poly
Version:
A practical, root-focused JavaScript polynomial utility library.
22 lines (19 loc) • 569 B
text/typescript
/**
* Returns the degree of the given polynomial - the zero polynomial degree is
* returned as -1 (and not -∞ as is conventional).
*
* @param p a polynomial with coefficients given densely as an array of Shewchuk
* floating point expansions from highest to lowest power, e.g. `[[5],[-3],[0]]`
* represents the polynomial `5x^2 - 3x`
*
* @example
* ```typescript
* eDegree([[9],[8],[7],[6],[5],[4],[3],[2],[1]]); //=> 8
* ```
*
* @doc
*/
function eDegree(p: number[][]): number {
return p.length-1;
}
export { eDegree }