# define aTHXo aTHX
# define aTHXo_ aTHX_
# define dTHXo dTHX
+# define dTHXoa(x) dTHXa(x)
#endif
#ifndef pTHXx
# endif
# define NV_DIG LDBL_DIG
# ifdef HAS_SQRTL
-# define Perl_modf modfl
-# define Perl_frexp frexpl
# define Perl_cos cosl
# define Perl_sin sinl
# define Perl_sqrt sqrtl
# define Perl_floor floorl
# define Perl_fmod fmodl
# endif
+/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
+# ifdef HAS_MODFL
+# define Perl_modf(x,y) modfl(x,y)
+# else
+# define Perl_modf(x,y) ((long double)modf((double)(x),(double*)(y)))
+# endif
+# ifdef HAS_FREXPL
+# define Perl_frexp(x,y) frexpl(x,y)
+# else
+# define Perl_frexp(x,y) ((long double)frexp((double)(x),y))
+# endif
+# ifdef HAS_ISNANL
+# define Perl_isnan(x) isnanl(x)
+# else
+# ifdef HAS_ISNAN
+# define Perl_isnan(x) isnan((double)(x))
+# else
+# define Perl_isnan(x) ((x)!=(x))
+# endif
+# endif
#else
# define NV_DIG DBL_DIG
-# define Perl_modf modf
-# define Perl_frexp frexp
# define Perl_cos cos
# define Perl_sin sin
# define Perl_sqrt sqrt
# define Perl_pow pow
# define Perl_floor floor
# define Perl_fmod fmod
+# define Perl_modf(x,y) modf(x,y)
+# define Perl_frexp(x,y) frexp(x,y)
+# ifdef HAS_ISNAN
+# define Perl_isnan(x) isnan(x)
+# else
+# define Perl_isnan(x) ((x)!=(x))
+# endif
#endif
#if !defined(Perl_atof) && defined(USE_LONG_DOUBLE) && defined(HAS_LONG_DOUBLE)
#ifdef VMS
# define STATUS_NATIVE PL_statusvalue_vms
# define STATUS_NATIVE_EXPORT \
- (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
+ (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
# define STATUS_NATIVE_SET(n) \
STMT_START { \
PL_statusvalue_vms = (n); \