2 .\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk)
3 .\" and Copyright 2008, Linux Foundation, written by Michael Kerrisk
4 .\" <mtk.manpages@gmail.com>
6 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
8 .\" References consulted:
9 .\" Linux libc source code
10 .\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991)
12 .\" Modified 1993-07-24 by Rik Faith (faith@cs.unc.edu)
13 .\" Modified 2002-07-27 by Walter Harms
14 .\" (walter.harms@informatik.uni-oldenburg.de)
16 .TH sin 3 (date) "Linux man-pages (unreleased)"
18 sin, sinf, sinl \- sine function
21 .RI ( libm ", " \-lm )
26 .BI "double sin(double " x );
27 .BI "float sinf(float " x );
28 .BI "long double sinl(long double " x );
32 Feature Test Macro Requirements for glibc (see
33 .BR feature_test_macros (7)):
39 _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L
40 || /* Since glibc 2.19: */ _DEFAULT_SOURCE
41 || /* glibc <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE
44 These functions return the sine of
51 On success, these functions return the sine of
56 is a NaN, a NaN is returned.
60 is positive infinity or negative infinity,
61 a domain error occurs,
62 and a NaN is returned.
64 .\" POSIX.1 allows an optional range error for subnormal x
65 .\" glibc 2.8 doesn't do this
69 for information on how to determine whether an error has occurred
70 when calling these functions.
72 The following errors can occur:
74 Domain error: \fIx\fP is an infinity
79 An invalid floating-point exception
83 For an explanation of the terms used in this section, see
89 Interface Attribute Value
96 T} Thread safety MT-Safe
103 The variant returning
108 Before glibc 2.10, the glibc implementation did not set
109 .\" https://www.sourceware.org/bugzilla/show_bug.cgi?id=6781
113 when a domain error occurred.