root_f – roots-fortran

interface
private subroutine root_f(me, ax, bx, fax, fbx, xzero, fzero, iflag)

Type	Intent		Name
class(root_solver),	intent(inout)	::	me
real(kind=wp),	intent(in)	::	ax	left endpoint of initial interval
real(kind=wp),	intent(in)	::	bx	right endpoint of initial interval
real(kind=wp),	intent(in)	::	fax	`f(ax)`
real(kind=wp),	intent(in)	::	fbx	`f(bx)`
real(kind=wp),	intent(out)	::	xzero	abscissa approximating a zero of `f` in the interval `ax`,`bx`
real(kind=wp),	intent(out)	::	fzero	value of `f` at the root (`f(xzero)`)
integer,	intent(out)	::	iflag	status flag

Root solver function interface