SUBROUTINE AR13AA(G,M,RESULT,IERR) DOUBLE PRECISION G, M, RESULT(3) INTEGER IERR
Compute the Prandtl-Meyer properties given a mach number .
ENTRY: Specific heat constant .
ENTRY: Mach number .
EXIT: Array with result properties as described in 11.
EXIT: (optional) Return status code.
Specific heat ratio .
Given out of range.