vecfor_R8P-doctest-22.f90 Source File

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