hpux man page for catanw

Query: catanw

OS: hpux

Section: 3m

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

catan(3M)																 catan(3M)

NAME
catan(), catanf(), catanl(), catanw(), catanq() - complex arctangent functions
SYNOPSIS
DESCRIPTION
These functions are available only for Integrity servers. returns the complex arctangent of z, in the range of a strip mathematically unbounded along the imaginary axis and in the interval [-Pi/2,+Pi/2] along the real axis. Branch cuts are outside the interval [-1,+1] along the imaginary axis. is a version of it takes a argument and returns a result. is a version of it takes a argument and returns a result. is an version of it takes an argument and returns an result. is equivalent to on HP-UX systems.
USAGE
To use these functions, compile with the default option. To use compile with the option. Make sure your program includes Link in the math library by specifying on the compiler or linker command line.
RETURN VALUE
= and is odd. returns +0+i0. returns +NaN+i0. returns +0+iInf and raises the divide-by-zero floating-point exception. returns Pi/2+i0, for finite positive-signed y. returns NaN+iNaN and optionally raises the invalid floating-point exception, for nonzero finite y. returns Pi/2+i0, for finite positive-signed x. returns Pi/2+i0. returns +NaN+i0. returns NaN+iNaN and optionally raises the invalid floating-point exception, for finite x. (where the sign of the imaginary part of the result is unspecified). returns NaN+iNaN.
ERRORS
No errors are defined.
SEE ALSO
atan(3M), ctan(3M), complex(5).
STANDARDS CONFORMANCE
: ISO/IEC C99 (including Annex G, ``IEC 60559-compatible complex arithmetic'') HP Integrity Server Only catan(3M)
Related Man Pages
cacosw(3m) - hpux
catan(3m) - hpux
catanh(3m) - hpux
catanhl(3m) - hpux
catanw(3m) - hpux
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