pub unsafe extern "C" fn GxB_Matrix_concat(
C: *mut GB_Matrix_opaque,
Tiles: *const *mut GB_Matrix_opaque,
m: u64,
n: u64,
desc: *mut GB_Descriptor_opaque
) -> i32
pub unsafe extern "C" fn GxB_Matrix_concat(
C: *mut GB_Matrix_opaque,
Tiles: *const *mut GB_Matrix_opaque,
m: u64,
n: u64,
desc: *mut GB_Descriptor_opaque
) -> i32