diff options
Diffstat (limited to 'man3/cosh.3')
| -rw-r--r-- | man3/cosh.3 | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/man3/cosh.3 b/man3/cosh.3 index 358cb1f..5177cce 100644 --- a/man3/cosh.3 +++ b/man3/cosh.3 @@ -14,7 +14,7 @@ .\" Modified 2002-07-27 by Walter Harms .\" (walter.harms@informatik.uni-oldenburg.de) .\" -.TH cosh 3 2023-07-20 "Linux man-pages 6.05.01" +.TH cosh 3 2023-10-31 "Linux man-pages 6.7" .SH NAME cosh, coshf, coshl \- hyperbolic cosine function .SH LIBRARY @@ -23,17 +23,17 @@ Math library .SH SYNOPSIS .nf .B #include <math.h> -.PP +.P .BI "double cosh(double " x ); .BI "float coshf(float " x ); .BI "long double coshl(long double " x ); .fi -.PP +.P .RS -4 Feature Test Macro Requirements for glibc (see .BR feature_test_macros (7)): .RE -.PP +.P .BR coshf (), .BR coshl (): .nf @@ -45,7 +45,7 @@ Feature Test Macro Requirements for glibc (see These functions return the hyperbolic cosine of .IR x , which is defined mathematically as: -.PP +.P .in +4n .EX cosh(x) = (exp(x) + exp(\-x)) / 2 @@ -54,20 +54,20 @@ cosh(x) = (exp(x) + exp(\-x)) / 2 .SH RETURN VALUE On success, these functions return the hyperbolic cosine of .IR x . -.PP +.P If .I x is a NaN, a NaN is returned. -.PP +.P If .I x is +0 or \-0, 1 is returned. -.PP +.P If .I x is positive infinity or negative infinity, positive infinity is returned. -.PP +.P If the result overflows, a range error occurs, and the functions return @@ -81,7 +81,7 @@ See .BR math_error (7) for information on how to determine whether an error has occurred when calling these functions. -.PP +.P The following errors can occur: .TP Range error: result overflow @@ -107,12 +107,11 @@ T{ .BR coshl () 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 |