SUBROUTINE AR06AF(G,P0,IS_SUB,RESULT,IERR) DOUBLE PRECISION G, P0, RESULT(8) LOGICAL IS_SUB INTEGER IERR
Compute the fanno relations given the stagnation pressure ratio, 
.
| Argument | Intent | Description |
| g | in | Specific heat constant |
| p0 | in | Stagnation pressure ratio |
| is_sub | in | Whether |
| result | out | Array with result properties as described in 4. |
| ierr | out | (optional) Return status code |
Specific heat ratio 
.
Computed 
out of range.
Given 
out of range.
Iterative solver failed.
. 
. 
corresponding to the given 
is assumed to be
sub- or super- sonic.