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psblas3/base/serial/aux/calcmp_mod.f90

85 lines
3.1 KiB
Fortran

!!$
!!$ Parallel Sparse BLAS version 2.2
!!$ (C) Copyright 2006/2007/2008
!!$ Salvatore Filippone University of Rome Tor Vergata
!!$ Alfredo Buttari University of Rome Tor Vergata
!!$
!!$ Redistribution and use in source and binary forms, with or without
!!$ modification, are permitted provided that the following conditions
!!$ are met:
!!$ 1. Redistributions of source code must retain the above copyright
!!$ notice, this list of conditions and the following disclaimer.
!!$ 2. Redistributions in binary form must reproduce the above copyright
!!$ notice, this list of conditions, and the following disclaimer in the
!!$ documentation and/or other materials provided with the distribution.
!!$ 3. The name of the PSBLAS group or the names of its contributors may
!!$ not be used to endorse or promote products derived from this
!!$ software without specific written permission.
!!$
!!$ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
!!$ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
!!$ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
!!$ PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
!!$ BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
!!$ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
!!$ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
!!$ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
!!$ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
!!$ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
!!$ POSSIBILITY OF SUCH DAMAGE.
!!$
!!$
module calcmp_mod
use psb_const_mod
interface operator(<)
module procedure callt
end interface
interface operator(<=)
module procedure calle
end interface
interface operator(>)
module procedure calgt
end interface
interface operator(>=)
module procedure calge
end interface
contains
function callt(a,b)
use psb_const_mod
complex(psb_spk_), intent(in) :: a,b
logical :: callt
callt = (abs(real(a))<abs(real(b))).or. &
& ((abs(real(a)) == abs(real(b))).and.(abs(aimag(a))<abs(aimag(b))))
end function callt
function calle(a,b)
use psb_const_mod
complex(psb_spk_), intent(in) :: a,b
logical :: calle
calle = (abs(real(a))<abs(real(b))).or. &
& ((abs(real(a)) == abs(real(b))).and.(abs(aimag(a))<=abs(aimag(b))))
end function calle
function calgt(a,b)
use psb_const_mod
complex(psb_spk_), intent(in) :: a,b
logical :: calgt
calgt = (abs(real(a))>abs(real(b))).or. &
& ((abs(real(a)) == abs(real(b))).and.(abs(aimag(a))>abs(aimag(b))))
end function calgt
function calge(a,b)
use psb_const_mod
complex(psb_spk_), intent(in) :: a,b
logical :: calge
calge = (abs(real(a))>abs(real(b))).or. &
& ((abs(real(a)) == abs(real(b))).and.(abs(aimag(a))>=abs(aimag(b))))
end function calge
end module calcmp_mod