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    The following form allows you to view linux man pages.

    Command:

    creall

    
    
    

    SYNOPSIS

           #include <complex.h>
    
           double creal(double complex z);
           float crealf(float complex z);
           long double creall(long double complex z);
    
           Link with -lm.
    
    
    

    DESCRIPTION

           The creal() function returns the real part of the complex number z.
    
           One has:
    
               z = creal(z) + I * cimag(z)
    
    
    

    VERSIONS

           These functions first appeared in glibc in version 2.1.
    
    
    

    ATTRIBUTES

       Multithreading (see pthreads(7))
           The creal(), crealf(), and creall() functions are thread-safe.
    
    
    

    CONFORMING TO

           C99.
    
    
    

    NOTES

           The gcc supports also __real__.  That is a GNU extension.
    
    
    

    SEE ALSO

           cabs(3), cimag(3), complex(7)
    
                                      2013-09-18                          CREAL(3)
    
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