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| author | Jarkko Hietaniemi <jhi@iki.fi> | 2014-09-11 18:37:55 -0400 |
|---|---|---|
| committer | Jarkko Hietaniemi <jhi@iki.fi> | 2014-09-11 21:30:41 -0400 |
| commit | e4c957f4746f290a051bc61b42b2e1d43920e7c4 (patch) | |
| tree | 666dab4e6d8d062e3dce55fca4e8eb1727241a41 /perl.h | |
| parent | 2c1f00b9036a7987c714a407662651ef7da99495 (diff) | |
| download | perl-e4c957f4746f290a051bc61b42b2e1d43920e7c4.tar.gz | |
Have a Perl_isfinitel() separate from USE_LONG_DOUBLE.
(Also correct uses of HAS_C99.)
Diffstat (limited to 'perl.h')
| -rw-r--r-- | perl.h | 31 |
1 files changed, 21 insertions, 10 deletions
@@ -1843,6 +1843,23 @@ typedef NVTYPE NV; # include <ieeefp.h> #endif +/* We need Perl_isfinitel (ends with ell) (if available) even when + * not USE_LONG_DOUBLE because the printf code (sv_catpvfn_flags) + * needs that. */ +#if defined(HAS_LONG_DOUBLE) && !defined(Perl_isfinitel) +/* If isfinite() is a macro and looks like we have C99, + * we assume it's the type-aware C99 isfinite(). */ +# if defined(isfinite) && defined(HAS_C99) +# define Perl_isfinitel(x) isfinite(x) +# elif defined(HAS_ISFINITEL) +# define Perl_isfinitel(x) isfinitel(x) +# elif defined(HAS_FINITEL) +# define Perl_isfinitel(x) finitel(x) +# elif defined(LDBL_MAX) +# define Perl_isfinitel(x) ((x) <= LDBL_MAX && (x) >= -LDBL_MAX) +# endif +#endif + #ifdef USE_LONG_DOUBLE # ifdef I_SUNMATH # include <sunmath.h> @@ -1934,25 +1951,19 @@ EXTERN_C long double modfl(long double, long double *); # endif # endif # ifndef Perl_isnan -# if defined(HAS_ISNANL) && !(defined(isnan) && HAS_C99) +# if defined(HAS_ISNANL) && !(defined(isnan) && defined(HAS_C99)) # define Perl_isnan(x) isnanl(x) # endif # endif # ifndef Perl_isinf -# if defined(HAS_ISINFL) && !(defined(isinf) && HAS_C99) +# if defined(HAS_ISINFL) && !(defined(isinf) && defined(HAS_C99)) # define Perl_isinf(x) isinfl(x) # elif defined(LDBL_MAX) # define Perl_isinf(x) ((x) > LDBL_MAX || (x) < -LDBL_MAX) # endif # endif -# if !defined(Perl_isfinite) && !(defined(isfinite) && HAS_C99) -# ifdef HAS_ISFINITEL -# define Perl_isfinite(x) isfinitel(x) -# elif defined(HAS_FINITEL) -# define Perl_isfinite(x) finitel(x) -# elif defined(LDBL_MAX) -# define Perl_isfinite(x) ((x) <= LDBL_MAX && (x) >= -LDBL_MAX) -# endif +# ifdef Perl_isfinitel +# define Perl_isfinite(x) Perl_isfinitel(x) # endif #else # define NV_DIG DBL_DIG |