api: allow side for cross derivatives, fixes #2442

devitocodes · Jan 14, 2025 · 81c5dc5 · 81c5dc5
1 parent ef01486
commit 81c5dc5
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diff --git a/devito/finite_differences/differentiable.py b/devito/finite_differences/differentiable.py
@@ -19,6 +19,7 @@
 from devito.tools import (as_tuple, filter_ordered, flatten, frozendict,
                           infer_dtype, is_integer, split)
 from devito.types import Array, DimensionTuple, Evaluable, StencilDimension
+from devito.types.basic import AbstractFunction
 
 __all__ = ['Differentiable', 'DiffDerivative', 'IndexDerivative', 'EvalDerivative',
            'Weights']

diff --git a/devito/finite_differences/finite_difference.py b/devito/finite_differences/finite_difference.py
@@ -143,6 +143,11 @@ def first_derivative(expr, dim, fd_order, **kwargs):
     return generic_derivative(expr, dim, fd_order, 1, **kwargs)
 
 
+# Backward compatibility
+def first_derivative(expr, dim, fd_order, **kwargs):
+    return generic_derivative(expr, dim, fd_order, 1, **kwargs)
+
+
 def make_derivative(expr, dim, fd_order, deriv_order, side, matvec, x0, coefficients,
                     expand, weights=None):
     # Always expand time derivatives to avoid issue with buffering and streaming.