Date: Sun, 14 Oct 2012 14:45:55 +0000 (UTC) From: Joel Dahl <joel@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r241545 - head/lib/msun/man Message-ID: <201210141445.q9EEjtlf084229@svn.freebsd.org>
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Author: joel (doc committer) Date: Sun Oct 14 14:45:54 2012 New Revision: 241545 URL: http://svn.freebsd.org/changeset/base/241545 Log: mdoc: avoid nested displays. Modified: head/lib/msun/man/ieee.3 Modified: head/lib/msun/man/ieee.3 ============================================================================== --- head/lib/msun/man/ieee.3 Sun Oct 14 13:59:17 2012 (r241544) +++ head/lib/msun/man/ieee.3 Sun Oct 14 14:45:54 2012 (r241545) @@ -156,59 +156,60 @@ Wordsize: 32 bits. .Pp Precision: 24 significant bits, roughly like 7 significant decimals. -.Bd -ragged -offset indent -compact +.Pp If x and x' are consecutive positive single-precision numbers (they differ by 1 .Em ulp ) , then -.Bd -ragged -compact +.Bl -column "XXX" -compact 5.9e\-08 < 0.5**24 < (x'\-x)/x \(<= 0.5**23 < 1.2e\-07. -.Ed -.Ed +.El .Pp .Bl -column "XXX" -compact Range: Overflow threshold = 2.0**128 = 3.4e38 Underflow threshold = 0.5**126 = 1.2e\-38 .El -.Bd -ragged -offset indent -compact +.Pp Underflowed results round to the nearest -integer multiple of 0.5**149 = 1.4e\-45. -.Ed +integer multiple of +.Bl -column "XXX" -compact +0.5**149 = 1.4e\-45. +.El .Ed .Pp Double-precision: .Bd -ragged -offset indent -compact Type name: .Vt double -.Bd -ragged -offset indent -compact -On some architectures, +.Po On some architectures, .Vt long double is the same as -.Vt double . -.Ed +.Vt double +.Pc .Pp Wordsize: 64 bits. .Pp Precision: 53 significant bits, roughly like 16 significant decimals. -.Bd -ragged -offset indent -compact +.Pp If x and x' are consecutive positive double-precision numbers (they differ by 1 .Em ulp ) , then -.Bd -ragged -compact +.Bl -column "XXX" -compact 1.1e\-16 < 0.5**53 < (x'\-x)/x \(<= 0.5**52 < 2.3e\-16. -.Ed -.Ed +.El .Pp .Bl -column "XXX" -compact Range: Overflow threshold = 2.0**1024 = 1.8e308 Underflow threshold = 0.5**1022 = 2.2e\-308 .El -.Bd -ragged -offset indent -compact +.Pp Underflowed results round to the nearest -integer multiple of 0.5**1074 = 4.9e\-324. -.Ed +integer multiple of +.Bl -column "XXX" -compact +0.5**1074 = 4.9e\-324. +.El .Ed .Pp Extended-precision: @@ -221,24 +222,25 @@ Wordsize: 96 bits. .Pp Precision: 64 significant bits, roughly like 19 significant decimals. -.Bd -ragged -offset indent -compact +.Pp If x and x' are consecutive positive extended-precision numbers (they differ by 1 .Em ulp ) , then -.Bd -ragged -compact +.Bl -column "XXX" -compact 1.0e\-19 < 0.5**63 < (x'\-x)/x \(<= 0.5**62 < 2.2e\-19. -.Ed -.Ed +.El .Pp .Bl -column "XXX" -compact Range: Overflow threshold = 2.0**16384 = 1.2e4932 Underflow threshold = 0.5**16382 = 3.4e\-4932 .El -.Bd -ragged -offset indent -compact +.Pp Underflowed results round to the nearest -integer multiple of 0.5**16445 = 5.7e\-4953. -.Ed +integer multiple of +.Bl -column "XXX" -compact +0.5**16445 = 5.7e\-4953. +.El .Ed .Pp Quad-extended-precision: @@ -251,24 +253,25 @@ Wordsize: 128 bits. .Pp Precision: 113 significant bits, roughly like 34 significant decimals. -.Bd -ragged -offset indent -compact +.Pp If x and x' are consecutive positive quad-extended-precision numbers (they differ by 1 .Em ulp ) , then -.Bd -ragged -compact +.Bl -column "XXX" -compact 9.6e\-35 < 0.5**113 < (x'\-x)/x \(<= 0.5**112 < 2.0e\-34. -.Ed -.Ed +.El .Pp .Bl -column "XXX" -compact Range: Overflow threshold = 2.0**16384 = 1.2e4932 Underflow threshold = 0.5**16382 = 3.4e\-4932 .El -.Bd -ragged -offset indent -compact +.Pp Underflowed results round to the nearest -integer multiple of 0.5**16494 = 6.5e\-4966. -.Ed +integer multiple of +.Bl -column "XXX" -compact +0.5**16494 = 6.5e\-4966. +.El .Ed .Ss Additional Information Regarding Exceptions For each kind of floating-point exception, IEEE 754
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