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Mark Dickinson664b5112009-12-16 20:23:42 +00001double _Py_expm1(double x);
2
3#ifdef HAVE_EXPM1
4#define m_expm1 expm1
5#else
6/* if the system doesn't have expm1, use the substitute
7 function defined in Modules/_math.c. */
8#define m_expm1 _Py_expm1
9#endif