SUBROUTINE AR21AB(G,M,CP,RESULT,IERR) DOUBLE PRECISION G, M, CP, RESULT(3) INTEGER IERR
Compute the Laitone pressure correction coefficient relations given the mach number and the the Laitone pressure correction coefficient .
ENTRY: Specific heat constant .
ENTRY: Mach number .
ENTRY: Pressure correction coefficient .
EXIT: Array with result properties as described in 19.
EXIT: (optional) Return status code.
Specific heat ratio .
Given out of range.