#*****************************************************************************
#
# Copyright (c) 2000 - 2018, Lawrence Livermore National Security, LLC
# Produced at the Lawrence Livermore National Laboratory
# LLNL-CODE-442911
# All rights reserved.
#
# This file is  part of VisIt. For  details, see https://visit.llnl.gov/.  The
# full copyright notice is contained in the file COPYRIGHT located at the root
# of the VisIt distribution or at http://www.llnl.gov/visit/copyright.html.
#
# Redistribution  and  use  in  source  and  binary  forms,  with  or  without
# modification, are permitted provided that the following conditions are met:
#
#  - Redistributions of  source code must  retain the above  copyright notice,
#    this list of conditions and the disclaimer below.
#  - Redistributions in binary form must reproduce the above copyright notice,
#    this  list of  conditions  and  the  disclaimer (as noted below)  in  the
#    documentation and/or other materials provided with the distribution.
#  - Neither the name of  the LLNS/LLNL nor the names of  its contributors may
#    be used to endorse or promote products derived from this software without
#    specific prior 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 LAWRENCE  LIVERMORE NATIONAL  SECURITY,
# LLC, THE  U.S.  DEPARTMENT OF  ENERGY  OR  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.
#*****************************************************************************
"""
 file: vpe_flow_pyocl_ops_example_1.py
 author: Cyrus Harrison <cyrush@llnl.gov>
 created: 3/28/2012
 description:
    vpe flow example demonstrating use of flow.filters.pyocl_ops.

"""


from flow import *
from flow.filters import *


def setup_workspace():
    w = Workspace()
    w.register_filters(pyocl_ops)
    ctx  = w.add_context("pyocl_ops","root")
    ctx.start(0,0)
    ctx.add_filter("add","f1")
    ctx.add_filter("sub","f2")
    ctx.add_filter("mult","f3")
    ctx.add_filter("mult","f4")
    ctx.add_filter("add","f5")
    # f1 = src_a + src_b
    ctx.connect(":d","f1:in_a")
    ctx.connect(":p","f1:in_b")
    # f2 = src_b - src_a
    ctx.connect(":d","f2:in_a")
    ctx.connect(":p","f2:in_b")
    # f3 = f1^2
    ctx.connect("f1","f3:in_a")
    ctx.connect("f1","f3:in_b")
    # f4 = f2^2
    ctx.connect("f2","f4:in_a")
    ctx.connect("f2","f4:in_b")
    # f5 = f4 + f3
    ctx.connect("f3","f5:in_a")
    ctx.connect("f4","f5:in_b")
    return w


