BSD 4_3 release

[unix-history] / usr / man / man3 / sinh.3m

diff --git a/usr/man/man3/sinh.3m b/usr/man/man3/sinh.3m
index 4a3f3c6..d99215b 100644 (file)
--- a/usr/man/man3/sinh.3m
+++ b/usr/man/man3/sinh.3m
@@ -1,4 +1,11 @@
-.TH SINH 3M "19 January 1983"
+.\" Copyright (c) 1985 Regents of the University of California.
+.\" All rights reserved.  The Berkeley software License Agreement
+.\" specifies the terms and conditions for redistribution.
+.\"
+.\"    @(#)sinh.3m     6.5 (Berkeley) 5/12/86
+.\"
+.TH SINH 3M  "May 12, 1986"
+.UC 4

 .SH NAME
 sinh, cosh, tanh \- hyperbolic functions
 .SH SYNOPSIS
 .SH NAME
 sinh, cosh, tanh \- hyperbolic functions
 .SH SYNOPSIS


@@ -6,6 +13,7 @@ sinh, cosh, tanh \- hyperbolic functions
 .B #include <math.h>
 .PP
 .B double sinh(x)
 .B #include <math.h>
 .PP
 .B double sinh(x)

+.B double x;

 .PP
 .B double cosh(x)
 .B double x;
 .PP
 .B double cosh(x)
 .B double x;


@@ -15,8 +23,13 @@ sinh, cosh, tanh \- hyperbolic functions
 .fi
 .SH DESCRIPTION
 These functions compute the designated hyperbolic functions for real arguments.
 .fi
 .SH DESCRIPTION
 These functions compute the designated hyperbolic functions for real arguments.

+.SH ERROR (due to Roundoff etc.)
+Below 2.4 \fIulp\fRs; an \fIulp\fR is one \fIU\fRnit in the \fIL\fRast
+\fIP\fRlace.

 .SH DIAGNOSTICS
 .SH DIAGNOSTICS

-.I Sinh
-and
-.I cosh
-return a huge value of appropriate sign when the correct value would overflow.
+Sinh and cosh return the reserved operand on a VAX if
+the correct value would overflow.
+.SH SEE ALSO
+math(3M), infnan(3M)
+.SH AUTHOR
+W. Kahan, Kwok\-Choi Ng