#ifdef HAVE_ACOSH# define m_acosh acosh#else/* if the system doesn't have acosh, use the substitutefunction defined in Modules/_math.c. */double _Py_acosh(double x);# define m_acosh _Py_acosh#endif#ifdef HAVE_ASINH# define m_asinh asinh#else/* if the system doesn't have asinh, use the substitutefunction defined in Modules/_math.c. */double _Py_asinh(double x);# define m_asinh _Py_asinh#endif#ifdef HAVE_ATANH# define m_atanh atanh#else/* if the system doesn't have atanh, use the substitutefunction defined in Modules/_math.c. */double _Py_atanh(double x);#define m_atanh _Py_atanh#endif#ifdef HAVE_EXPM1# define m_expm1 expm1#else/* if the system doesn't have expm1, use the substitutefunction defined in Modules/_math.c. */double _Py_expm1(double x);#define m_expm1 _Py_expm1#endifdouble _Py_log1p(double x);/* Use the substitute from _math.c on all platforms:it includes workarounds for buggy handling of zeros. */#define m_log1p _Py_log1p
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