dif_val Subroutine

public subroutine dif_val(ntab, xtab, diftab, xval, yval)

DIF_VAL evaluates a divided difference polynomial at a point.

Arguments

Type	Intent	Optional	Attributes		Name
integer(kind=4)				::	ntab
real(kind=8)				::	xtab(ntab)
real(kind=8)				::	diftab(ntab)
real(kind=8)				::	xval
real(kind=8)				::	yval