Name | Synopsis | Description | Return Values | Errors | Usage | Attributes | See Also
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);
These functions compute the real part of z.
These functions return the real part value.
No errors are defined.
z == creal(z) + cimag(z)*I
See attributes(5) for descriptions of the following attributes:
ATTRIBUTE TYPE |
ATTRIBUTE VALUE |
---|---|
Interface Stability |
Standard |
MT-Level |
MT-Safe |
Name | Synopsis | Description | Return Values | Errors | Usage | Attributes | See Also