diff options
Diffstat (limited to 'man3/atanh.3')
| -rw-r--r-- | man3/atanh.3 | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/man3/atanh.3 b/man3/atanh.3 index f3a9b2e..0220493 100644 --- a/man3/atanh.3 +++ b/man3/atanh.3 @@ -13,7 +13,7 @@ .\" Modified 2002-07-27 by Walter Harms .\" (walter.harms@informatik.uni-oldenburg.de) .\" -.TH atanh 3 2023-07-20 "Linux man-pages 6.05.01" +.TH atanh 3 2023-10-31 "Linux man-pages 6.7" .SH NAME atanh, atanhf, atanhl \- inverse hyperbolic tangent function .SH LIBRARY @@ -22,17 +22,17 @@ Math library .SH SYNOPSIS .nf .B #include <math.h> -.PP +.P .BI "double atanh(double " x ); .BI "float atanhf(float " x ); .BI "long double atanhl(long double " x ); -.PP +.P .fi .RS -4 Feature Test Macro Requirements for glibc (see .BR feature_test_macros (7)): .RE -.PP +.P .BR atanh (): .nf _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L @@ -41,7 +41,7 @@ Feature Test Macro Requirements for glibc (see || /* Since glibc 2.19: */ _DEFAULT_SOURCE || /* glibc <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE .fi -.PP +.P .BR atanhf (), .BR atanhl (): .nf @@ -57,15 +57,15 @@ that is the value whose hyperbolic tangent is .SH RETURN VALUE On success, these functions return the inverse 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 +1 or \-1, @@ -76,7 +76,7 @@ and the functions return or .BR HUGE_VALL , respectively, with the mathematically correct sign. -.PP +.P If the absolute value of .I x is greater than 1, @@ -90,7 +90,7 @@ 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 Domain error: \fIx\fP less than \-1 or greater than +1 @@ -125,12 +125,11 @@ T{ .BR atanhl () 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 |