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Use the correct values for LDBL_*. Libc doesn't completely support

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long doubles at the moment (printf truncates them to doubles).
However, long doubles to appear to work to the ranges listed in this
commit on both -stable (4.5) and -current.  There may be some slight
rounding issues with long doubles, but that's an orthogonal issue to
these constants.

I've had this in my local tree for 3 months, and in my company's local
tree for 15 months with no ill effects.

Obtained from: NetBSD
Not likely to like it: bde
This commit is contained in:
Warner Losh 2002-10-25 07:02:52 +00:00
parent 79db40061f
commit d793791855
2 changed files with 20 additions and 18 deletions
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19
sys/amd64/include/float.h
View File

@ -60,13 +60,14 @@
#define DBL_MAX 1.7976931348623157E+308
#define DBL_MAX_10_EXP 308
#define LDBL_MANT_DIG DBL_MANT_DIG
#define LDBL_EPSILON DBL_EPSILON
#define LDBL_DIG DBL_DIG
#define LDBL_MIN_EXP DBL_MIN_EXP
#define LDBL_MIN DBL_MIN
#define LDBL_MIN_10_EXP DBL_MIN_10_EXP
#define LDBL_MAX_EXP DBL_MAX_EXP
#define LDBL_MAX DBL_MAX
#define LDBL_MAX_10_EXP DBL_MAX_10_EXP
#define LDBL_MANT_DIG 64
#define LDBL_EPSILON 1.0842021724855044340E-19L
#define LDBL_DIG 18
#define LDBL_MIN_EXP (-16381)
#define LDBL_MIN 3.3621031431120935063E-4932L
#define LDBL_MIN_10_EXP (-4931)
#define LDBL_MAX_EXP 16384
#define LDBL_MAX 1.1897314953572317650E+4932L
#define LDBL_MAX_10_EXP 4932
#endif /* _MACHINE_FLOAT_H_ */

19
sys/i386/include/float.h
View File

@ -60,13 +60,14 @@
#define DBL_MAX 1.7976931348623157E+308
#define DBL_MAX_10_EXP 308
#define LDBL_MANT_DIG DBL_MANT_DIG
#define LDBL_EPSILON DBL_EPSILON
#define LDBL_DIG DBL_DIG
#define LDBL_MIN_EXP DBL_MIN_EXP
#define LDBL_MIN DBL_MIN
#define LDBL_MIN_10_EXP DBL_MIN_10_EXP
#define LDBL_MAX_EXP DBL_MAX_EXP
#define LDBL_MAX DBL_MAX
#define LDBL_MAX_10_EXP DBL_MAX_10_EXP
#define LDBL_MANT_DIG 64
#define LDBL_EPSILON 1.0842021724855044340E-19L
#define LDBL_DIG 18
#define LDBL_MIN_EXP (-16381)
#define LDBL_MIN 3.3621031431120935063E-4932L
#define LDBL_MIN_10_EXP (-4931)
#define LDBL_MAX_EXP 16384
#define LDBL_MAX 1.1897314953572317650E+4932L
#define LDBL_MAX_10_EXP 4932
#endif /* _MACHINE_FLOAT_H_ */