| Type | Attributes | Name | Initial | |||
|---|---|---|---|---|---|---|
| type(vector_R8P) | :: | pt(0:3) |
program volatile_doctest
use vecfor_R8P
type(vector_R8P) :: pt(0:3)
pt(0) = -1 * ey_R8P
pt(1) = 1 * ex_R8P
pt(2) = 1 * ey_R8P
pt(3) = -1 * ex_R8P
print "(L1)", pt(0)%is_concyclic(pt1=pt(1), pt2=pt(2), pt3=pt(3))
endprogram volatile_doctest