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-rw-r--r--teukolsky_data.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/teukolsky_data.h b/teukolsky_data.h
index 786554e..861613d 100644
--- a/teukolsky_data.h
+++ b/teukolsky_data.h
@@ -207,4 +207,13 @@ int td_eval_lapse(const TDContext *td,
const unsigned int diff_order[2],
double *out);
+/**
+ * Evaluate the residual of the three constraint equations at the specified
+ * coordinates.
+ */
+int td_eval_residual(const TDContext *td,
+ size_t nb_coords_r, const double *r,
+ size_t nb_coords_theta, const double *theta,
+ double *out[3]);
+
#endif /* TEUKOLSKY_DATA_H */