NAME
creal(), crealf() — the real part of a complex value
SYNOPSIS
#include <complex.h>
double creal(double complex z);
float crealf(float complex z);
DESCRIPTION
These functions are available only for IA-64.
creal()
returns the
real part of
z.
crealf()
is a
float
complex
version of
creal();
it takes a
float
complex
argument and returns a
float
result.
These functions raise no exceptions.
USAGE
To use these functions,
compile with the default
-Ae
option.
Make sure your program includes
<complex.h>.
Link in the math library by specifying
-lm
on the compiler or linker command line.
ERRORS
No errors are defined.
STANDARDS CONFORMANCE
creal(),
crealf():
ISO/IEC C99 (including Annex G,
IEC 60559-compatible complex arithmetic)
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