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#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
# define NV_INF LDBL_INFINITY
#endif
#if !defined(NV_INF) && defined(DBL_INFINITY)
# define NV_INF (NV)DBL_INFINITY
#endif
#if !defined(NV_INF) && defined(INFINITY)
# define NV_INF (NV)INFINITY
#endif
#if !defined(NV_INF) && defined(INF)
# define NV_INF (NV)INF
#endif
#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
# define NV_INF (NV)HUGE_VALL
#endif
#if !defined(NV_INF) && defined(HUGE_VAL)
# define NV_INF (NV)HUGE_VAL
#endif
#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
# if !defined(NV_NAN) && defined(LDBL_NAN)
# define NV_NAN LDBL_NAN
# endif
# if !defined(NV_NAN) && defined(LDBL_QNAN)
# define NV_NAN LDBL_QNAN
# endif
# if !defined(NV_NAN) && defined(LDBL_SNAN)
# define NV_NAN LDBL_SNAN
# endif
#endif
#if !defined(NV_NAN) && defined(DBL_NAN)
# define NV_NAN (NV)DBL_NAN
#endif
#if !defined(NV_NAN) && defined(DBL_QNAN)
# define NV_NAN (NV)DBL_QNAN
#endif
#if !defined(NV_NAN) && defined(DBL_SNAN)
# define NV_NAN (NV)DBL_SNAN
#endif
#if !defined(NV_NAN) && defined(QNAN)
# define NV_NAN (NV)QNAN
#endif
#if !defined(NV_NAN) && defined(SNAN)
# define NV_NAN (NV)SNAN
#endif
#if !defined(NV_NAN) && defined(NAN)
# define NV_NAN (NV)NAN
#endif
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