From 7f3caba522f4d24764f29d83aa2de9198bb7f01c Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 24 May 2024 06:52:22 +0200 Subject: Adding upstream version 6.8. Signed-off-by: Daniel Baumann --- man3/tan.3 | 146 ------------------------------------------------------------- 1 file changed, 146 deletions(-) delete mode 100644 man3/tan.3 (limited to 'man3/tan.3') diff --git a/man3/tan.3 b/man3/tan.3 deleted file mode 100644 index 169a6ef..0000000 --- a/man3/tan.3 +++ /dev/null @@ -1,146 +0,0 @@ -'\" t -.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk) -.\" and Copyright 2008, Linux Foundation, written by Michael Kerrisk -.\" -.\" -.\" SPDX-License-Identifier: Linux-man-pages-copyleft -.\" -.\" References consulted: -.\" Linux libc source code -.\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991) -.\" 386BSD man pages -.\" Modified 1993-07-24 by Rik Faith (faith@cs.unc.edu) -.\" Modified 2002-07-27 by Walter Harms -.\" (walter.harms@informatik.uni-oldenburg.de) -.\" -.TH tan 3 2023-10-31 "Linux man-pages 6.7" -.SH NAME -tan, tanf, tanl \- tangent function -.SH LIBRARY -Math library -.RI ( libm ", " \-lm ) -.SH SYNOPSIS -.nf -.B #include -.P -.BI "double tan(double " x ); -.BI "float tanf(float " x ); -.BI "long double tanl(long double " x ); -.fi -.P -.RS -4 -Feature Test Macro Requirements for glibc (see -.BR feature_test_macros (7)): -.RE -.P -.BR tanf (), -.BR tanl (): -.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 the tangent of -.IR x , -where -.I x -is -given in radians. -.SH RETURN VALUE -On success, these functions return the tangent of -.IR x . -.P -If -.I x -is a NaN, a NaN is returned. -.P -If -.I x -is positive infinity or negative infinity, -a domain error occurs, -and a NaN is returned. -.P -If the correct result would overflow, -a range error occurs, -and the functions return -.BR HUGE_VAL , -.BR HUGE_VALF , -or -.BR HUGE_VALL , -respectively, with the mathematically correct sign. -.\" I think overflow can't occur, because the closest floating-point -.\" representation of pi/2 is still not close enough to pi/2 to -.\" produce a large enough value to overflow. -.\" Testing certainly seems to bear this out. -- mtk, Jul 08 -.\" -.\" POSIX.1 allows an optional underflow error; -.\" glibc 2.8 doesn't do this -.\" POSIX.1 an optional range error for subnormal x; -.\" 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 an infinity -.I errno -is set to -.B EDOM -(but see BUGS). -An invalid floating-point exception -.RB ( FE_INVALID ) -is raised. -.TP -Range error: result overflow -.\" Unable to test this case, since the best approximation of -.\" pi/2 in double precision only yields a tan() value of 1.633e16. -.\" .I errno -.\" is set to -.\" .BR ERANGE . -An overflow floating-point exception -.RB ( FE_OVERFLOW ) -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 tan (), -.BR tanf (), -.BR tanl () -T} Thread safety MT-Safe -.TE -.SH STANDARDS -C11, POSIX.1-2008. -.SH HISTORY -C99, POSIX.1-2001. -.P -The variant returning -.I double -also conforms to -SVr4, 4.3BSD, C89. -.SH BUGS -Before glibc 2.10, the glibc implementation did not set -.\" http://sourceware.org/bugzilla/show_bug.cgi?id=6782 -.I errno -to -.B EDOM -when a domain error occurred. -.SH SEE ALSO -.BR acos (3), -.BR asin (3), -.BR atan (3), -.BR atan2 (3), -.BR cos (3), -.BR ctan (3), -.BR sin (3) -- cgit v1.2.3