DREAL(Z)
returns the real part of complex variable Z. RESULT = DREAL(A)
A | The type shall be COMPLEX(8) . |
REAL(8)
. program test_dreal complex(8) :: z = (1.3_8,7.2_8) print *, dreal(z) end program test_dreal
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https://gcc.gnu.org/onlinedocs/gcc-6.3.0/gfortran/DREAL.html