mg2d: make init_guess() MPI-aware

API and ABI break.

1 files changed, 1 insertions, 0 deletions

diff --git a/mg2d.h b/mg2d.h
index 2f593bc..867d77e 100644
--- a/mg2d.h
+++ b/mg2d.h
@@ -288,6 +288,7 @@ unsigned int mg2d_max_fd_stencil(void);
 
 int mg2d_init_guess(MG2DContext *ctx, const double *src,
                     ptrdiff_t src_stride,
+                    const ptrdiff_t src_start[2],
                     const size_t src_size[2],
                     const double src_step[2]);