Help the compiler out
authorMatthias Clasen <mclasen@redhat.com>
Sun, 2 May 2021 00:21:54 +0000 (20:21 -0400)
committerMatthias Clasen <mclasen@redhat.com>
Wed, 5 May 2021 12:17:26 +0000 (08:17 -0400)
commit014fb414482f586715d6f3c8ea79a64063e9ea26
tree193b2b1924f9eb7c3abe20a5237a94440cdc93d0
parent24072f26ca10d641c5aa14f8f01ee34ff410d74a
Help the compiler out

gcc says: error: iteration 2147483649 invokes undefined behavior
                            [-Werror=aggressive-loop-optimizations]
which of course, never happens because ncols is always >= 2.
Add some assertions to tell the compiler.
demos/gtk-demo/singular_value_decomposition.c