Document [l]lrint[f]() and [l]lround[f]().

5 files changed, 197 insertions, 5 deletions

diff --git a/lib/msun/man/lrint.3 b/lib/msun/man/lrint.3
new file mode 100644
index 0000000..678bac8
--- /dev/null
+++ b/lib/msun/man/lrint.3
@@ -0,0 +1,94 @@
+.\" Copyright (c) 2005 David Schultz <das@FreeBSD.org>
+.\" All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\" $FreeBSD$
+.\"
+.Dd January 11, 2005
+.Dt LRINT 3
+.Os
+.Sh NAME
+.Nm llrint ,
+.Nm llrintf ,
+.Nm lrint ,
+.Nm lrintf
+.Nd convert to integer
+.Sh LIBRARY
+.Lb libm
+.Sh SYNOPSIS
+.In math.h
+.Ft long long
+.Fn llrint "double x"
+.Ft long long
+.Fn llrintf "float x"
+.Ft long
+.Fn lrint "double x"
+.Ft long
+.Fn lrintf "float x"
+.Sh DESCRIPTION
+The
+.Fn lrint
+function returns the integer nearest to its argument
+.Fa x
+according to the current rounding mode.
+If the rounded result is too large to be represented as a
+.Ft long
+value, an invalid exception is raised and the return value is undefined.
+Otherwise, if
+.Fa x
+is not an integer,
+.Fn lrint
+raises an inexact exception.
+When the rounded result is representable as a
+.Ft long ,
+the expression
+.Li lrint(x)
+is equivalent to
+.Li (long)rint(x)
+(although the former may be more efficient.)
+.Pp
+The
+.Fn llrint ,
+.Fn llrintf ,
+and
+.Fn lrintf
+functions differ from
+.Fn lrint
+only in their input and output types.
+.Sh SEE ALSO
+.Xr lround 3 ,
+.Xr math 3 ,
+.Xr rint 3 ,
+.Xr round 3
+.Sh STANDARDS
+The
+.Fn llrint ,
+.Fn llrintf ,
+.Fn lrint ,
+and
+.Fn lrintf
+functions conform to
+.St -isoC-99 .
+.Sh HISTORY
+These routines first appeared in
+.Fx 5.4 .
diff --git a/lib/msun/man/lround.3 b/lib/msun/man/lround.3
new file mode 100644
index 0000000..e5479ae
--- /dev/null
+++ b/lib/msun/man/lround.3
@@ -0,0 +1,94 @@
+.\" Copyright (c) 2005 David Schultz <das@FreeBSD.org>
+.\" All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\" $FreeBSD$
+.\"
+.Dd January 11, 2005
+.Dt LROUND 3
+.Os
+.Sh NAME
+.Nm llround ,
+.Nm llroundf ,
+.Nm lround ,
+.Nm lroundf
+.Nd convert to nearest integral value
+.Sh LIBRARY
+.Lb libm
+.Sh SYNOPSIS
+.In math.h
+.Ft long long
+.Fn llround "double x"
+.Ft long long
+.Fn llroundf "float x"
+.Ft long
+.Fn lround "double x"
+.Ft long
+.Fn lroundf "float x"
+.Sh DESCRIPTION
+The
+.Fn lround
+function returns the integer nearest to its argument
+.Fa x ,
+rounding away from zero in halfway cases.
+If the rounded result is too large to be represented as a
+.Ft long
+value, an invalid exception is raised and the return value is undefined.
+Otherwise, if
+.Fa x
+is not an integer,
+.Fn lround
+may raise an inexact exception.
+When the rounded result is representable as a
+.Ft long ,
+the expression
+.Li lround(x)
+is equivalent to
+.Li (long)round(x)
+(although the former may be more efficient.)
+.Pp
+The
+.Fn llround ,
+.Fn llroundf ,
+and
+.Fn lroundf
+functions differ from
+.Fn lround
+only in their input and output types.
+.Sh SEE ALSO
+.Xr lrint 3 ,
+.Xr math 3 ,
+.Xr rint 3 ,
+.Xr round 3
+.Sh STANDARDS
+The
+.Fn llround ,
+.Fn llroundf ,
+.Fn lround ,
+and
+.Fn lroundf
+functions conform to
+.St -isoC-99 .
+.Sh HISTORY
+These routines first appeared in
+.Fx 5.4 .
diff --git a/lib/msun/man/math.3 b/lib/msun/man/math.3
index f314f4d..5524dba 100644
--- a/lib/msun/man/math.3
+++ b/lib/msun/man/math.3
@@ -32,7 +32,7 @@
 .\"	from: @(#)math.3	6.10 (Berkeley) 5/6/91
 .\" $FreeBSD$
 .\"
-.Dd June 11, 2004
+.Dd January 11, 2005
 .Dt MATH 3
 .Os
 .if n \{\
@@ -120,15 +120,15 @@ j1	bessel function	???
 jn	bessel function	???
 ldexp	multiply by power of 2	0
 lgamma	log gamma function	1
-.\" llrint	round to integer	0
-.\" llround	round to nearest integer	0
+llrint	round to integer	0
+llround	round to nearest integer	0
 log	natural logarithm	1
 log10	logarithm to base 10	1
 log1p	log(1+x)	1
 .\" log2	base 2 logarithm	0
 logb	exponent extraction	0
-.\" lrint	round to integer	0
-.\" lround	round to nearest integer	0
+lrint	round to integer	0
+lround	round to nearest integer	0
 modf	extract fractional part	0
 .\" nan	return quiet \*(Na)	0
 nearbyint	round to integer	0
diff --git a/lib/msun/man/rint.3 b/lib/msun/man/rint.3
index 09f7e19..bd1a7d3 100644
--- a/lib/msun/man/rint.3
+++ b/lib/msun/man/rint.3
@@ -77,6 +77,8 @@ an inexact exception.
 .Xr fenv 3 ,
 .Xr floor 3 ,
 .Xr ieee 3 ,
+.Xr lrint 3 ,
+.Xr lround 3 ,
 .Xr math 3 ,
 .Xr round 3
 .Sh STANDARDS
diff --git a/lib/msun/man/round.3 b/lib/msun/man/round.3
index 0ee59d3..5f34ce0 100644
--- a/lib/msun/man/round.3
+++ b/lib/msun/man/round.3
@@ -55,6 +55,8 @@ absolute value (i.e., they round away from zero).
 .Xr ceil 3 ,
 .Xr floor 3 ,
 .Xr ieee 3 ,
+.Xr lrint 3 ,
+.Xr lround 3 ,
 .Xr math 3 ,
 .Xr rint 3 ,
 .Xr trunc 3