arfitf - Isothermal relations given (4fL)/D

SUBROUTINE AR08AF(G,F,IS_SUB,RESULT,IERR)
  DOUBLE PRECISION G, F, RESULT(6)
  LOGICAL IS_SUB
  INTEGER IERR

Compute the isothermal relations given the characteristic line, $(4fL)/D$ .

Performance
Iterative

Arguments

G - REAL: ENTRY: Specific heat constant $γ$ .
F - REAL: ENTRY: Characteristic line $(4fL)/D$ .
IS_SUB - BOOLEAN: ENTRY: Whether $M$ corresponding to the given $(4fL)/D$ is assumed to be sub- or super- sonic.
RESULT - ARRAY OF REAL: EXIT: Array with result properties as described in 6.
IERR - INTEGER: EXIT: (optional) Return status code.

Status codes