You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
23 lines
763 B
23 lines
763 B
C Copyright(C) 1999-2020 National Technology & Engineering Solutions
|
|
C of Sandia, LLC (NTESS). Under the terms of Contract DE-NA0003525 with
|
|
C NTESS, the U.S. Government retains certain rights in this software.
|
|
C
|
|
C See packages/seacas/LICENSE for details
|
|
|
|
REAL FUNCTION ELIPSE (A7, A8, A2, ANG)
|
|
C***********************************************************************
|
|
|
|
C FUNCTION ELIPSE = CALCULATES THE ANGULAR EQUATION ERROR WHEN FINDING
|
|
C AN ELIPSE PATTERN
|
|
|
|
C***********************************************************************
|
|
|
|
PI = ATAN2(0.0, -1.0)
|
|
A4 = A8 - ANG
|
|
A5 = A7 - ANG
|
|
A3 = A2 - A4
|
|
A6 = PI - A5 - A2
|
|
ELIPSE = SIN(A4) * SIN(A6) - SIN(A5) * SIN (A3)
|
|
RETURN
|
|
|
|
END
|
|
|