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author | Jarkko Hietaniemi <jhi@iki.fi> | 2014-09-01 10:06:10 -0400 |
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committer | Jarkko Hietaniemi <jhi@iki.fi> | 2014-09-01 14:13:17 -0400 |
commit | efcbf317d0eb22b93b2044fd752161f57b55dd65 (patch) | |
tree | ca75fedf61dd881a0326fff311635c3e4a072527 /perl.h | |
parent | a985cadd390dc83e2be80ce22961ff6da5e6feb5 (diff) | |
download | perl-efcbf317d0eb22b93b2044fd752161f57b55dd65.tar.gz |
Perl_isinf and Perl_isfinite fallbacks.
(We have so many fallbacks that some of them probably never deploy.)
Diffstat (limited to 'perl.h')
-rw-r--r-- | perl.h | 8 |
1 files changed, 8 insertions, 0 deletions
@@ -1932,6 +1932,8 @@ EXTERN_C long double modfl(long double, long double *); # ifndef Perl_isinf # if defined(HAS_ISINFL) && !(defined(isinf) && 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) @@ -1939,6 +1941,8 @@ EXTERN_C long double modfl(long double, long double *); # 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 # endif #else @@ -1996,6 +2000,8 @@ EXTERN_C long double modfl(long double, long double *); # ifndef Perl_isinf # if defined(HAS_ISINF) # define Perl_isinf(x) isinf(x) +# elif defined(DBL_MAX) +# define Perl_isinf(x) ((x) > DBL_MAX || (x) < -DBL_MAX) # endif # endif # ifndef Perl_isfinite @@ -2003,6 +2009,8 @@ EXTERN_C long double modfl(long double, long double *); # define Perl_isfinite(x) isfinite(x) # elif defined(HAS_FINITE) # define Perl_isfinite(x) finite(x) +# elif defined(DBL_MAX) +# define Perl_isfinite(x) ((x) <= DBL_MAX && (x) >= -DBL_MAX) # endif # endif #endif |