crealf, creal, creall - cppreference.com

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# crealf, creal, creall

From cppreference.com
< c‎ | numeric‎ | complex

Defined in header `<complex.h>` |  |
float crealf( float complex z ); |  | (since C99)
double creal( double complex z ); |  | (since C99)
long double creall( long double complex z ); |  | (since C99)

Returns the real part of `z`.

### [edit] Parameters

z | - | complex argument

### [edit] Return value

The real part of `z`.

### [edit] Example

Run this code

    #include <stdio.h>
    #include <complex.h>

    int main(void)
    {
        double complex z = 1.0 + 2.0*I;
        printf("%f%+fi\n", creal(z), cimag(z));

        return 0;
    }

Output:

    1.000000+2.000000i

### [edit] See also

cimagcimagfcimagl (C99)(C99)(C99) | computes the imaginary part a complex number (function) [edit]
C++ documentation for real2

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