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-rw-r--r--mpi/mpi-add.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/mpi/mpi-add.c b/mpi/mpi-add.c
index 2c1aa6c61..b9c69af44 100644
--- a/mpi/mpi-add.c
+++ b/mpi/mpi-add.c
@@ -222,3 +222,17 @@ mpi_sub(MPI w, MPI u, MPI v)
}
+void
+mpi_addm( MPI w, MPI u, MPI v, MPI m)
+{
+ mpi_add(w, u, v);
+ mpi_fdiv_r( w, w, m );
+}
+
+void
+mpi_subm( MPI w, MPI u, MPI v, MPI m)
+{
+ mpi_sub(w, u, v);
+ mpi_fdiv_r( w, w, m );
+}
+