casinf man page on ElementaryOS

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CASIN(3)		   Linux Programmer's Manual		      CASIN(3)

NAME
       casin, casinf, casinl - complex arc sine

SYNOPSIS
       #include <complex.h>

       double complex casin(double complex z);
       float complex casinf(float complex z);
       long double complex casinl(long double complex z);

       Link with -lm.

DESCRIPTION
       The  casin()  function  calculates  the	complex	 arc  sine  of	z.  If
       y = casin(z), then z = csin(y).	The real part of y is  chosen  in  the
       interval [-pi/2,pi/2].

       One has:

	   casin(z) = -i clog(iz + csqrt(1 - z * z))

VERSIONS
       These functions first appeared in glibc in version 2.1.

CONFORMING TO
       C99.

SEE ALSO
       clog(3), csin(3), complex(7)

COLOPHON
       This  page  is  part of release 3.54 of the Linux man-pages project.  A
       description of the project, and information about reporting  bugs,  can
       be found at http://www.kernel.org/doc/man-pages/.

				  2008-08-11			      CASIN(3)
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