Roots_x4Polynomial.F90

Go to the documentation of this file.

!! NOTICE
!!  Copyright 2022 UChicago Argonne, LLC and contributors
!!
!!  Licensed under the Apache License, Version 2.0 (the "License");
!!  you may not use this file except in compliance with the License.
!!
!!  Unless required by applicable law or agreed to in writing, software
!!  distributed under the License is distributed on an "AS IS" BASIS,
!!  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
!!  See the License for the specific language governing permissions and
!!  limitations under the License.
!!
 
subroutine Roots_x4Polynomial (q3, q2, q1, q0,        &
                                               nReal, &
                                               root,  &
                               printInfo,             &
                               printUnit              )
  implicit none
 
  real   ,           intent (in)  :: q3, q2, q1, q0
  integer,           intent (out) :: nReal
  real   ,           intent (out) :: root (1:4,1:2)
  logical, optional, intent (in)  :: printInfo
  integer, optional, intent (in)  :: printUnit
 
  nReal = 0
  root(1:4,1:2) = 0.0
 
  return
end subroutine Roots_x4Polynomial