From 469823efa670590f9847373b772534b393be1d89 Mon Sep 17 00:00:00 2001 From: Anton Khirnov Date: Tue, 27 Nov 2018 11:32:58 +0100 Subject: Finish support for 4th order accuracy. ABI and API break. --- mg2d.h | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'mg2d.h') diff --git a/mg2d.h b/mg2d.h index a0c0c70..4ccb5da 100644 --- a/mg2d.h +++ b/mg2d.h @@ -108,14 +108,20 @@ typedef struct MG2DBoundary { /** * For type = MG2D_BC_TYPE_FIXVAL: * Values of the unknown function on the boundary. + * The number of boundary layers is equal to fd_stencil. + * The first boundary layer has the number of points equal to the + * corresponding domain_size. Each subsequent boundary layer has one + * more boundary point at each end of the domain. * * Ignored otherwise. */ double *val; /** - * Number of elements in val. + * Number of elements between rows in val. I.e. if val[0] is the first + * boundary point, then val[val_stride - 1] is the first boundary point in + * the second row and so on. */ - size_t val_len; + size_t val_stride; } MG2DBoundary; typedef struct MG2DContext { -- cgit v1.2.3