mg2d: add API for interpolating an initial guess from a provided grid

1 files changed, 5 insertions, 0 deletions

diff --git a/mg2d.h b/mg2d.h
index 6452526..fd11906 100644
--- a/mg2d.h
+++ b/mg2d.h
@@ -195,4 +195,9 @@ void mg2d_print_stats(MG2DContext *ctx, const char *prefix);
  */
 unsigned int mg2d_max_fd_stencil(void);
 
+int mg2d_init_guess(MG2DContext *ctx, const double *src,
+                    ptrdiff_t src_stride,
+                    const size_t src_size[2],
+                    const double src_step[2]);
+
 #endif /* MG2D_H */