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"""
 file: vpe_flow_npy_ops_example_1.py
 author: Cyrus Harrison <cyrush@llnl.gov>
 created: 3/28/2012
 description:
    vpe flow example demonstrating use of flow.filters.npy_ops.

"""


from flow import *
from flow.filters import pyocl_compile


def setup_workspace():
    w = Workspace()
    w.register_filters(pyocl_compile)
    ctx = w.add_context("pyocl_compile","root")
    ctx.start()
    # u = x comp
    #ctx.add_filter("decompose","dudx",{"index":0})
    ctx.add_filter("decompose","dudy",{"index":1})
    ctx.add_filter("decompose","dudz",{"index":2})
    # v = y comp
    ctx.add_filter("decompose","dvdx",{"index":0})
    #ctx.add_filter("decompose","dvdy",{"index":1})
    ctx.add_filter("decompose","dvdz",{"index":2})
    # w = z comp
    ctx.add_filter("decompose","dwdx",{"index":0})
    ctx.add_filter("decompose","dwdy",{"index":1})
    #ctx.add_filter("decompose","dwdz",{"index":2})
    ctx.add_filter("grad","du")
    ctx.add_filter("grad","dv")
    ctx.add_filter("grad","dw")
    ctx.add_filter("sub","vort_x")
    ctx.add_filter("sub","vort_y")
    ctx.add_filter("sub","vort_z")
    ctx.add_filter("mult","vort_x_sq")
    ctx.add_filter("mult","vort_y_sq")
    ctx.add_filter("mult","vort_z_sq")
    ctx.add_filter("add","vort_add_1")
    ctx.add_filter("add","vort_add")
    ctx.add_filter("sqrt","vort_sqrt")
    ctx.connect(":x","du:x")
    ctx.connect(":y","du:y")
    ctx.connect(":z","du:z")
    ctx.connect(":dims","du:dims")
    ctx.connect(":vx","du:in")
    ctx.connect(":x","dv:x")
    ctx.connect(":y","dv:y")
    ctx.connect(":z","dv:z")
    ctx.connect(":dims","dv:dims")
    ctx.connect(":vy","dv:in")
    ctx.connect(":x","dw:x")
    ctx.connect(":y","dw:y")
    ctx.connect(":z","dw:z")
    ctx.connect(":dims","dw:dims")
    ctx.connect(":vz","dw:in")
    # ctx.connect("du","dudx:in")
    ctx.connect("du","dudy:in")
    ctx.connect("du","dudz:in")
    ctx.connect("dv","dvdx:in")
    # ctx.connect("dv","dvdy:in")
    ctx.connect("dv","dvdz:in")
    ctx.connect("dw","dwdx:in")
    ctx.connect("dw","dwdy:in")
    # ctx.connect("dw","dwdz:in")
    ctx.connect("dwdy","vort_x:in_a")
    ctx.connect("dvdz","vort_x:in_b")
    ctx.connect("dudz","vort_y:in_a")
    ctx.connect("dwdx","vort_y:in_b")
    ctx.connect("dvdx","vort_z:in_a")
    ctx.connect("dudy","vort_z:in_b")
    ctx.connect("vort_x","vort_x_sq:in_a")
    ctx.connect("vort_x","vort_x_sq:in_b")
    ctx.connect("vort_y","vort_y_sq:in_a")
    ctx.connect("vort_y","vort_y_sq:in_b")
    ctx.connect("vort_z","vort_z_sq:in_a")
    ctx.connect("vort_z","vort_z_sq:in_b")
    ctx.connect("vort_x_sq","vort_add_1:in_a")
    ctx.connect("vort_y_sq","vort_add_1:in_b")
    ctx.connect("vort_add_1","vort_add:in_a")
    ctx.connect("vort_z_sq","vort_add:in_b")
    ctx.connect("vort_add","vort_sqrt:in")
    #print w.execution_plan()
    return w


