NAME
cproj, cprojf,
cprojl —
compute projection onto Riemann
sphere
SYNOPSIS
#include
<complex.h>
double complex
cproj(double
complex z);
float complex
cprojf(float
complex z);
long double complex
cprojl(long
double complex z);
DESCRIPTION
The
cproj(),
cprojf()
and
cprojl()
functions compute a projection of z onto the Riemann
sphere.
RETURN VALUES
The cproj(),
cprojf() and cprojl()
functions return z for all finite complex numbers. If
z has an infinite part (even if the other part is
NaN), they return the equivalent of:
INFINITY + I * copysign(0.0, cimag(z))
SEE ALSO
STANDARDS
The cproj(),
cprojf() and cprojl()
functions conform to ISO/IEC 9899:1999
(“ISO C99”).