Finds the zeros of a univariate complex function using Müller’s method.

Finds a zero of a real function that changes sign in a given interval.

Finds the zeros of a polynomial with real coefficients using Laguerre’s method.

Finds the zeros of a polynomial with complex coefficients using the Jenkins-Traub three-stage algorithm.

Finds the zeros of a polynomial with real coefficients using the Jenkins-Traub three-stage algorithm.

Adds a double complex scalar to the accumulator in extended precision.

Initializes an extended-precision complex accumulator to a double complex scalar.

Multiplies double complex scalars using extended precision.

Stores a double complex approximation to an extended-precision complex scalar.

Finds the real zeros of a real function using Müller’s method.

Finds a zero of a real univariate function.