polyval Interface

public interface polyval

Module Procedures

private pure function polyval_1d(polycoeff, x)

Evaluate a 1D polynomial p given by its coefficients array at position x

Arguments

Type IntentOptional Attributes Name
real(kind=FP), intent(in), contiguous, dimension(:) :: polycoeff

Polynomial coefficients
real(kind=FP), intent(in) :: x

Point where to evaluate the polynomial

Return Value real(kind=fp)

private pure function polyval_2d(polycoeff, x, y)

Evaluate a 2D polynomial p given by its coefficients c_{n,m} array at position (x,y) p(x,y) = \sum_{n,m} c_{n,m} * x^n * y^m = \sum_{m} y^m * ( \sum_{n} c_{n,m} * x^n )

Arguments

Type IntentOptional Attributes Name
real(kind=FP), intent(in), contiguous, dimension(:,:) :: polycoeff

Polynomial coefficients
real(kind=FP), intent(in) :: x

Point x-coordinate where to evaluate the polynomial
real(kind=FP), intent(in) :: y

Point y-coordinate where to evaluate the polynomial

Return Value real(kind=fp)