diff options
Diffstat (limited to 'man3/tanh.3')
| -rw-r--r-- | man3/tanh.3 | 19 |
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 |