Passing solver_parameters into solve(A, x, b) should raise an error

[Patrick Farrell]

solve(A, x, b) doesn't take in an argument solver_parameters. However, dolfin will happily let you pass one in, and ignore it:

from dolfin import *

mesh = UnitSquare(32, 32)
V = FunctionSpace(mesh, "CG", 1)
u = TrialFunction(V)
v = TestFunction(V)
f = Expression("sin(x[0])*sin(x[1])")
a = dot(grad(u), grad(v))*dx + u*v*dx
L = f*v*dx

u = Function(V)

A = assemble(a)
b = assemble(L)
solve(A, u.vector(), b, solver_parameters={"linear_solver": "tfqmr", "preconditioner": "amg"})

Would it be possible to change it so that if you pass in a keyword argument that's not recognised, it errors?