CIMAG
Section: POSIX Programmer's Manual (P)
Updated: 2003
NAME
cimag, cimagf, cimagl - complex imaginary functions
SYNOPSIS
#include <complex.h>
double cimag(double complex z);
float cimagf(float complex z);
long double cimagl(long double complex z);
DESCRIPTION
These functions shall compute the imaginary part of z.
RETURN VALUE
These functions shall return the imaginary part value (as a real).
ERRORS
No errors are defined.
The following sections are informative.
EXAMPLES
None.
APPLICATION USAGE
For a variable z of complex type:
-
z == creal(z) + cimag(z)*I
RATIONALE
None.
FUTURE DIRECTIONS
None.
SEE ALSO
carg() , conj() , cproj() , creal() , the
Base Definitions volume of IEEE Std 1003.1-2001, <complex.h>
COPYRIGHT
Portions of this text are reprinted and reproduced in electronic form
from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
-- Portable Operating System Interface (POSIX), The Open Group Base
Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
Electrical and Electronics Engineers, Inc and The Open Group. In the
event of any discrepancy between this version and the original IEEE and
The Open Group Standard, the original IEEE and The Open Group Standard
is the referee document. The original Standard can be obtained online at
http://www.opengroup.org/unix/online.html .
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- ERRORS
-
- EXAMPLES
-
- APPLICATION USAGE
-
- RATIONALE
-
- FUTURE DIRECTIONS
-
- SEE ALSO
-
- COPYRIGHT
-
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