asin, asinf, asinl - arc sine function


   #include <math.h>

   double asin(double x);
   float asinf(float x);
   long double asinl(long double x);

   Link with -lm.

   Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

   asinf(), asinl():
       _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L
           || /* Since glibc 2.19: */ _DEFAULT_SOURCE
           || /* Glibc versions <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE


   These  functions  calculate  the  principal value of the arc sine of x;
   that is the value whose sine is x.


   On success, these functions return the principal value of the arc  sine
   of x in radians; the return value is in the range [-pi/2, pi/2].

   If x is a NaN, a NaN is returned.

   If x is +0 (-0), +0 (-0) is returned.

   If  x is outside the range [-1, 1], a domain error occurs, and a NaN is


   See math_error(7) for information on how to determine whether an  error
   has occurred when calling these functions.

   The following errors can occur:

   Domain error: x is outside the range [-1, 1]
          errno  is  set  to  EDOM.   An  invalid floating-point exception
          (FE_INVALID) is raised.


   For  an  explanation  of  the  terms  used   in   this   section,   see

   │InterfaceAttributeValue   │
   │asin(), asinf(), asinl() │ Thread safety │ MT-Safe │


   C99, POSIX.1-2001, POSIX.1-2008.

   The variant returning double also conforms to SVr4, 4.3BSD, C89.


   acos(3), atan(3), atan2(3), casin(3), cos(3), sin(3), tan(3)


   This  page  is  part of release 4.09 of the Linux man-pages project.  A
   description of the project, information about reporting bugs,  and  the
   latest     version     of     this    page,    can    be    found    at

                              2016-03-15                           ASIN(3)

More Linux Commands

isatty(3) - test whether a file descriptor refers to a termi
The isatty() function tests whether fd is an open file descriptor referring to a terminal. RETURN VALUE isatty() returns 1 if fd is an open file descriptor refe

glClientActiveTextureARB(3gl) - select active texture unit
glClientActiveTextureARB selects the vertex array client state parameters to be modified by glTexCoordPointer, and enabled or disabled with glEnableClientState

daemon(3) - run in the background - Linux manual page.......
The daemon() function is for programs wishing to detach themselves from the controlling terminal and run in the background as system daemons. If nochdir is zero

ssh-keysign(8) - ssh helper program for host-based authentic
ssh-keysign is used by ssh-add(1) to access the local host keys and generate the digital signature required during host-based authentication with SSH protocol v

x509(3ssl) - X.509 certificate handling - Linux manual page
A X.509 certificate is a structured grouping of information about an individual, a device, or anything one can imagine. A X.509 CRL (certificate revocation list

dga(1) - test program for the XFree86-DGA extension.........
Dga is a simple test client for the XFree86-DGA extension. It fills the screen with a different colour for each key pressed. It prints some basic framebuffer pa

FcStrCopyFilename(3) - create a complete path from a filenam
FcStrCopyFilename constructs an absolute pathname from s. It converts any leading ~ characters in to the value of the HOME environment variable, and any relativ

squidclient(1) - a simple HTTP web client - Linux man page
squidclient is a tool providing a command line interface for retrieving URLs. Designed for testing any HTTP 0.9, 1.0, or 1.1 web server or proxy. This tool can

cimagl(3) - get imaginary part of a complex number (ManPage)
The cimag() function returns the imaginary part of the complex number z. One has: z = creal(z) + I * cimag(z) VERSIONS These functions first appeared in glibc i

netscsid(1) - write data to optical disk media (Man Page)...
wodim is used to record data or audio Compact Discs on an Orange Book CD-Recorder or to write DVD media on a DVD-Recorder. The device is the device file or labe

Pod::Usage(3pm) - print a usage message from embedded pod do
pod2usage will print a usage message for the invoking script (using its embedded pod documentation) and then exit the script with the desired exit status. The u

islower_l(3) character classification functions (Man Page)
These functions check whether c, which must have the value of an unsigned char or EOF, falls into a certain character class according to the specified locale. T

We can't live, work or learn in freedom unless the software we use is free.