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diff --git a/man3/log1p.3 b/man3/log1p.3 deleted file mode 100644 index dff3b5b..0000000 --- a/man3/log1p.3 +++ /dev/null @@ -1,150 +0,0 @@ -'\" t -.\" Copyright 1995 Jim Van Zandt <jrv@vanzandt.mv.com> -.\" and Copyright 2008, Linux Foundation, written by Michael Kerrisk -.\" <mtk.manpages@gmail.com> -.\" -.\" SPDX-License-Identifier: Linux-man-pages-copyleft -.\" -.\" Modified 2002-07-27 by Walter Harms -.\" (walter.harms@informatik.uni-oldenburg.de) -.TH log1p 3 2023-10-31 "Linux man-pages 6.7" -.SH NAME -log1p, log1pf, log1pl \- logarithm of 1 plus argument -.SH LIBRARY -Math library -.RI ( libm ", " \-lm ) -.SH SYNOPSIS -.nf -.B #include <math.h> -.P -.BI "double log1p(double " x ); -.BI "float log1pf(float " x ); -.BI "long double log1pl(long double " x ); -.P -.fi -.RS -4 -Feature Test Macro Requirements for glibc (see -.BR feature_test_macros (7)): -.RE -.P -.nf -.BR log1p (): - _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L - || _XOPEN_SOURCE >= 500 -.\" || _XOPEN_SOURCE && _XOPEN_SOURCE_EXTENDED - || /* Since glibc 2.19: */ _DEFAULT_SOURCE - || /* glibc <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE -.fi -.P -.BR log1pf (), -.BR log1pl (): -.nf - _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L - || /* Since glibc 2.19: */ _DEFAULT_SOURCE - || /* glibc <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE -.fi -.SH DESCRIPTION -These functions return a value equivalent to -.P -.nf - log (1 + \fIx\fP) -.fi -.P -The result is computed in a way -that is accurate even if the value of -.I x -is near zero. -.SH RETURN VALUE -On success, these functions return the natural logarithm of -.IR "(1\ +\ x)" . -.P -If -.I x -is a NaN, -a NaN is returned. -.P -If -.I x -is positive infinity, positive infinity is returned. -.P -If -.I x -is \-1, a pole error occurs, -and the functions return -.RB \- HUGE_VAL , -.RB \- HUGE_VALF , -or -.RB \- HUGE_VALL , -respectively. -.P -If -.I x -is less than \-1 (including negative infinity), -a domain error occurs, -and a NaN (not a number) is returned. -.\" POSIX.1 specifies a possible range error if x is subnormal -.\" glibc 2.8 doesn't do this -.SH ERRORS -See -.BR math_error (7) -for information on how to determine whether an error has occurred -when calling these functions. -.P -The following errors can occur: -.TP -Domain error: \fIx\fP is less than \-1 -.I errno -is set to -.B EDOM -(but see BUGS). -An invalid floating-point exception -.RB ( FE_INVALID ) -is raised. -.TP -Pole error: \fIx\fP is \-1 -.I errno -is set to -.B ERANGE -(but see BUGS). -A divide-by-zero floating-point exception -.RB ( FE_DIVBYZERO ) -is raised. -.SH ATTRIBUTES -For an explanation of the terms used in this section, see -.BR attributes (7). -.TS -allbox; -lbx lb lb -l l l. -Interface Attribute Value -T{ -.na -.nh -.BR log1p (), -.BR log1pf (), -.BR log1pl () -T} Thread safety MT-Safe -.TE -.SH STANDARDS -C11, POSIX.1-2008. -.SH HISTORY -C99, POSIX.1-2001. -.\" BSD -.SH BUGS -Before glibc 2.22, the glibc implementation did not set -.\" https://www.sourceware.org/bugzilla/show_bug.cgi?id=6792 -.I errno -to -.B EDOM -when a domain error occurred. -.P -Before glibc 2.22, the glibc implementation did not set -.\" https://www.sourceware.org/bugzilla/show_bug.cgi?id=6792 -.I errno -to -.B ERANGE -when a range error occurred. -.SH SEE ALSO -.BR exp (3), -.BR expm1 (3), -.BR log (3) |