Fix missing quad_scheme kwarg

Author: pbrubeck

FIAT/hierarchical.py

@@ -59,7 +59,7 @@ def __init__(self, ref_el, degree, codim=0, interpolant_deg=None, quad_scheme=No
 
 class Legendre(finite_element.CiarletElement):
     """Simplicial discontinuous element with Legendre polynomials."""
-    def __new__(cls, ref_el, degree, variant=None):
+    def __new__(cls, ref_el, degree, variant=None, quad_scheme=None):
         if degree == 0:
             splitting, variant, interpolant_deg = check_format_variant(variant, degree)
             if splitting is None and interpolant_deg == 0:

finat/spectral.py

@@ -67,16 +67,16 @@ def __init__(self, cell, degree):
 class Legendre(ScalarFiatElement):
     """DG element with Legendre polynomials."""
 
-    def __init__(self, cell, degree, variant=None):
-        fiat_element = FIAT.Legendre(cell, degree, variant=variant)
+    def __init__(self, cell, degree, variant=None, quad_scheme=None):
+        fiat_element = FIAT.Legendre(cell, degree, variant=variant, quad_scheme=quad_scheme)
         super().__init__(fiat_element)
 
 
 class IntegratedLegendre(ScalarFiatElement):
     """CG element with integrated Legendre polynomials."""
 
-    def __init__(self, cell, degree, variant=None):
-        fiat_element = FIAT.IntegratedLegendre(cell, degree, variant=variant)
+    def __init__(self, cell, degree, variant=None, quad_scheme=None):
+        fiat_element = FIAT.IntegratedLegendre(cell, degree, variant=variant, quad_scheme=quad_scheme)
         super().__init__(fiat_element)