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diff --git a/man3/tanh.3 b/man3/tanh.3 deleted file mode 100644 index 09d3e03..0000000 --- a/man3/tanh.3 +++ /dev/null @@ -1,105 +0,0 @@ -'\" t -.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk) -.\" and Copyright 2008, Linux Foundation, written by Michael Kerrisk -.\" <mtk.manpages@gmail.com> -.\" -.\" 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 tanh 3 2023-10-31 "Linux man-pages 6.7" -.SH NAME -tanh, tanhf, tanhl \- hyperbolic tangent function -.SH LIBRARY -Math library -.RI ( libm ", " \-lm ) -.SH SYNOPSIS -.nf -.B #include <math.h> -.P -.BI "double tanh(double " x ); -.BI "float tanhf(float " x ); -.BI "long double tanhl(long double " x ); -.fi -.P -.RS -4 -Feature Test Macro Requirements for glibc (see -.BR feature_test_macros (7)): -.RE -.P -.BR tanhf (), -.BR tanhl (): -.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 hyperbolic tangent of -.IR x , -which -is defined mathematically as: -.P -.nf - tanh(x) = sinh(x) / cosh(x) -.fi -.SH RETURN VALUE -On success, these functions return the hyperbolic tangent of -.IR x . -.P -If -.I x -is a NaN, a NaN is returned. -.P -If -.I x -is +0 (\-0), +0 (\-0) is returned. -.P -If -.I x -is positive infinity (negative infinity), -+1 (\-1) is returned. -.\" -.\" POSIX.1-2001 documents an optional range error (underflow) -.\" for subnormal x; -.\" glibc 2.8 does not do this. -.SH ERRORS -No errors occur. -.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 tanh (), -.BR tanhf (), -.BR tanhl () -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 SEE ALSO -.BR acosh (3), -.BR asinh (3), -.BR atanh (3), -.BR cosh (3), -.BR ctanh (3), -.BR sinh (3) |