Question: Conversion in Fortran of EllipticF and EllipticE

For my technical applications I use the incomplete EllipticE(z,k) = int(sqrt(1-k^2*t^2)/sqrt(1-t^2),t=0..z) and Incomplete Elliptic integral of the first kind EllipticF(z,k), both with z positive but arbitrary and with 0<>
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