diff options
Diffstat (limited to 'man3/log1p.3')
| -rw-r--r-- | man3/log1p.3 | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/man3/log1p.3 b/man3/log1p.3 index c3285a9..dff3b5b 100644 --- a/man3/log1p.3 +++ b/man3/log1p.3 @@ -7,7 +7,7 @@ .\" .\" Modified 2002-07-27 by Walter Harms .\" (walter.harms@informatik.uni-oldenburg.de) -.TH log1p 3 2023-07-20 "Linux man-pages 6.05.01" +.TH log1p 3 2023-10-31 "Linux man-pages 6.7" .SH NAME log1p, log1pf, log1pl \- logarithm of 1 plus argument .SH LIBRARY @@ -16,17 +16,17 @@ Math library .SH SYNOPSIS .nf .B #include <math.h> -.PP +.P .BI "double log1p(double " x ); .BI "float log1pf(float " x ); .BI "long double log1pl(long double " x ); -.PP +.P .fi .RS -4 Feature Test Macro Requirements for glibc (see .BR feature_test_macros (7)): .RE -.PP +.P .nf .BR log1p (): _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L @@ -35,7 +35,7 @@ Feature Test Macro Requirements for glibc (see || /* Since glibc 2.19: */ _DEFAULT_SOURCE || /* glibc <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE .fi -.PP +.P .BR log1pf (), .BR log1pl (): .nf @@ -45,11 +45,11 @@ Feature Test Macro Requirements for glibc (see .fi .SH DESCRIPTION These functions return a value equivalent to -.PP +.P .nf log (1 + \fIx\fP) .fi -.PP +.P The result is computed in a way that is accurate even if the value of .I x @@ -57,16 +57,16 @@ is near zero. .SH RETURN VALUE On success, these functions return the natural logarithm of .IR "(1\ +\ x)" . -.PP +.P If .I x is a NaN, a NaN is returned. -.PP +.P If .I x is positive infinity, positive infinity is returned. -.PP +.P If .I x is \-1, a pole error occurs, @@ -76,7 +76,7 @@ and the functions return or .RB \- HUGE_VALL , respectively. -.PP +.P If .I x is less than \-1 (including negative infinity), @@ -89,7 +89,7 @@ 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 is less than \-1 @@ -125,7 +125,6 @@ T{ .BR log1pl () T} Thread safety MT-Safe .TE -.sp 1 .SH STANDARDS C11, POSIX.1-2008. .SH HISTORY @@ -138,7 +137,7 @@ Before glibc 2.22, the glibc implementation did not set to .B EDOM when a domain error occurred. -.PP +.P Before glibc 2.22, the glibc implementation did not set .\" https://www.sourceware.org/bugzilla/show_bug.cgi?id=6792 .I errno |