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-rw-r--r--docs/examples/tutorial/external/libc_sin.py5
1 files changed, 5 insertions, 0 deletions
diff --git a/docs/examples/tutorial/external/libc_sin.py b/docs/examples/tutorial/external/libc_sin.py
new file mode 100644
index 000000000..f4223253d
--- /dev/null
+++ b/docs/examples/tutorial/external/libc_sin.py
@@ -0,0 +1,5 @@
+from cython.cimports.libc.math import sin
+
+@cython.cfunc
+def f(x: cython.double) -> cython.double:
+ return sin(x * x)