CREAL(3M) Mathematical Library Functions CREAL(3M)
NAME
creal, crealf, creall - complex real functions
SYNOPSIS
c99 [
flag... ]
file...
-lm [
library... ]
#include <complex.h>
double creal(
double complex z);
float crealf(
float complex z);
long double creall(
long double complex z);
DESCRIPTION
These functions compute the real part of z.
RETURN VALUES
These functions return the real part value.
ERRORS
No errors are defined.
USAGE
For a variable
z of complex type:
z == creal(z) + cimag(z)*I
ATTRIBUTES
See
attributes(7) for descriptions of the following attributes:
+----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+----------------------------+-----------------------------+
|Interface Stability | Standard |
+----------------------------+-----------------------------+
|MT-Level | MT-Safe |
+----------------------------+-----------------------------+
SEE ALSO
complex.h(3HEAD),
carg(3M),
cimag(3M),
conj(3M),
cproj(3M),
attributes(7),
standards(7)SunOS 5.11 July 12, 2006 CREAL(3M)
