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linedance-app/venv/lib/python3.12/site-packages/numba/tests/test_numconv.py

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+import itertools
+import unittest
+from numba import njit
+from numba.core import types
+
+
+def template(fromty, toty):
+    def closure(self):
+        def cast(x):
+            y = x
+            return y
+
+        cfunc = njit(toty(fromty))(cast)
+        self.assertAlmostEqual(cfunc(1), 1)
+
+    return closure
+
+
+class TestNumberConversion(unittest.TestCase):
+    """
+    Test all int/float numeric conversion to ensure we have all the external
+    dependencies to perform these conversions.
+    """
+    # NOTE: more implicit tests are in test_numberctor
+
+    @classmethod
+    def automatic_populate(cls):
+        tys = types.integer_domain | types.real_domain
+        for fromty, toty in itertools.permutations(tys, r=2):
+            test_name = "test_{fromty}_to_{toty}".format(fromty=fromty,
+                                                         toty=toty)
+            setattr(cls, test_name, template(fromty, toty))
+
+
+TestNumberConversion.automatic_populate()
+
+if __name__ == '__main__':
+    unittest.main()