diff options
| author | Jarkko Hietaniemi <jhi@iki.fi> | 2015-02-28 10:23:06 -0500 |
|---|---|---|
| committer | Jarkko Hietaniemi <jhi@iki.fi> | 2015-06-12 09:56:55 -0400 |
| commit | 44521f3a1782026b7d25cc55af459c3e28cc9bdd (patch) | |
| tree | a91ebe41a705b5562dee1eefde0e13aaf94a4c9b /uconfig.h | |
| parent | 63545cd8b35d0a75c86800927564a9879ba1e0bf (diff) | |
| download | perl-44521f3a1782026b7d25cc55af459c3e28cc9bdd.tar.gz | |
infnan: Configure scan for infnan bytes
Diffstat (limited to 'uconfig.h')
| -rw-r--r-- | uconfig.h | 51 |
1 files changed, 49 insertions, 2 deletions
@@ -4802,6 +4802,53 @@ /*#define PERL_PRIeldbl "lle" / **/ /*#define PERL_SCNfldbl "llf" / **/ +/* DOUBLEINFBYTES: + * This symbol, if defined, is a comma-separated list of + * hexadecimal bytes for the double precision infinity. + */ +/* DOUBLENANBYTES: + * This symbol, if defined, is a comma-separated list of + * hexadecimal bytes (0xHH) for the double precision not-a-number. + */ +/* LONGDBLINFBYTES: + * This symbol, if defined, is a comma-separated list of + * hexadecimal bytes for the long double precision infinity. + */ +/* LONGDBLNANBYTES: + * This symbol, if defined, is a comma-separated list of + * hexadecimal bytes (0xHH) for the long double precision not-a-number. + */ +#define DOUBLEINFBYTES 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x7f /**/ +#define DOUBLENANBYTES 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x7f /**/ +#define LONGDBLINFBYTES 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 /**/ +#define LONGDBLNANBYTES 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xff, 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 /**/ + +/* DOUBLEMANTBITS: + * This symbol, if defined, tells how many mantissa bits + * there are in double precision floating point format. + * Note that this is usually DBL_MANT_DIG minus one, since + * with the standard IEEE 754 formats DBL_MANT_DIG includes + * the implicit bit, which doesn't really exist. + */ +#define DOUBLEMANTBITS 52 + +/* LONGDBLMANTBITS: + * This symbol, if defined, tells how many mantissa bits + * there are in long double precision floating point format. + * Note that this can be LDBL_MANT_DIG minus one, + * since LDBL_MANT_DIG can include the IEEE 754 implicit bit. + * The common x86-style 80-bit long double does not have + * an implicit bit. + */ +#define LONGDBLMANTBITS 64 + +/* NVMANTBITS: + * This symbol, if defined, tells how many mantissa bits + * (not including implicit bit) there are in a Perl NV. + * This depends on which floating point type was chosen. + */ +#define NVMANTBITS 52 /**/ + /* NEED_VA_COPY: * This symbol, if defined, indicates that the system stores * the variable argument list datatype, va_list, in a format @@ -5167,6 +5214,6 @@ #endif /* Generated from: - * 496e563499c7b715275d61ae663d25dd20d963c75f9d3ee7850dae949df14136 config_h.SH - * 49c2c25e94c0a8057a87bf294e1dd9bdadaeb72e47c22362e7699344dd9fd7d3 uconfig.sh + * c784534c0c9ca4f445c518a18404c8fd0b3be9aac3de1ee4a94453807935584c config_h.SH + * 0ce9d24f6ed83c533882929bc7c0138fe345656c4b7070aad99bb103dbf3790a uconfig.sh * ex: set ro: */ |