sqrtWithErr

sqrtWithErr(x: number, x_: number): object

Defined in double-with-err/sqrt-with-err.ts:15

Returns the result of the square root of a double floating point number together with an absolute error bound where x_ is an absolute error bound on the input value.

• see also "A Reduced Product of Absolute and Relative Error Bounds for Floating-point Analysis" by Maxime Jacquemin, Sylvie Putot, and Franck Vedrine

Parameters:

Name	Type	Description
x	number	numerator
x_	number	absolute value error bound in numerator

Returns: object

• err: number = Math.max(Math.sqrt(x + x_) - est, est)

• est: number