cimag
Section: C Library Functions (3)
Updated: 2022-12-15
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NAME
cimag, cimagf, cimagl - get imaginary part of a complex number
LIBRARY
Math library
(libm, -lm)
SYNOPSIS
#include <complex.h>
double cimag(double complex z);
float cimagf(float complex z);
long double cimagl(long double complex z);
DESCRIPTION
These functions return the imaginary part of the complex number
z.
One has:
z = creal(z) + I * cimag(z)
VERSIONS
These functions were added in glibc 2.1.
ATTRIBUTES
For an explanation of the terms used in this section, see
attributes(7).
| Interface | Attribute | Value
|
|
cimag(),
cimagf(),
cimagl()
| Thread safety | MT-Safe
|
STANDARDS
C99, POSIX.1-2001, POSIX.1-2008.
NOTES
gcc also supports __imag__.
That is a GNU extension.
SEE ALSO
cabs(3),
creal(3),
complex(7)
Index
- NAME
-
- LIBRARY
-
- SYNOPSIS
-
- DESCRIPTION
-
- VERSIONS
-
- ATTRIBUTES
-
- STANDARDS
-
- NOTES
-
- SEE ALSO
-
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