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-rw-r--r--man3/tanh.319
1 files changed, 9 insertions, 10 deletions
diff --git a/man3/tanh.3 b/man3/tanh.3
index dc4d8fc..09d3e03 100644
--- a/man3/tanh.3
+++ b/man3/tanh.3
@@ -13,7 +13,7 @@
.\" Modified 2002-07-27 by Walter Harms
.\" (walter.harms@informatik.uni-oldenburg.de)
.\"
-.TH tanh 3 2023-07-20 "Linux man-pages 6.05.01"
+.TH tanh 3 2023-10-31 "Linux man-pages 6.7"
.SH NAME
tanh, tanhf, tanhl \- hyperbolic tangent function
.SH LIBRARY
@@ -22,17 +22,17 @@ Math library
.SH SYNOPSIS
.nf
.B #include <math.h>
-.PP
+.P
.BI "double tanh(double " x );
.BI "float tanhf(float " x );
.BI "long double tanhl(long double " x );
.fi
-.PP
+.P
.RS -4
Feature Test Macro Requirements for glibc (see
.BR feature_test_macros (7)):
.RE
-.PP
+.P
.BR tanhf (),
.BR tanhl ():
.nf
@@ -45,22 +45,22 @@ These functions return the hyperbolic tangent of
.IR x ,
which
is defined mathematically as:
-.PP
+.P
.nf
tanh(x) = sinh(x) / cosh(x)
.fi
.SH RETURN VALUE
On success, these functions return the hyperbolic tangent of
.IR x .
-.PP
+.P
If
.I x
is a NaN, a NaN is returned.
-.PP
+.P
If
.I x
is +0 (\-0), +0 (\-0) is returned.
-.PP
+.P
If
.I x
is positive infinity (negative infinity),
@@ -87,12 +87,11 @@ T{
.BR tanhl ()
T} Thread safety MT-Safe
.TE
-.sp 1
.SH STANDARDS
C11, POSIX.1-2008.
.SH HISTORY
C99, POSIX.1-2001.
-.PP
+.P
The variant returning
.I double
also conforms to