Regenerate binding based on LAPACK 3.9.0

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "lapack"]
+	path = lapack
+	url = https://github.com/Reference-LAPACK/lapack

bindgen.sh

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+#!/bin/bash
+set -eux
+
+# - LAPACK routines in lapack.h has `.*_` naming because `LAPACK_GLOBAL` macro adds last '_'
+#   This script filters using this last '_'.
+#
+# - `char` in C header will convert into `::std::os::raw::c_char`, but we want to keep no_std.
+#   This is replaced by sed (FIXME is it possible using bindgen?).
+bindgen \
+  --whitelist-function="^.*_$" \
+  --use-core \
+  wrapper.h \
+  | sed -e "s/::std::os::raw:://g" \
+  > src/lapack.rs
+# Re-format due to sed
+rustfmt src/lapack.rs