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# -----------------------------------------------------------------------
# Copyright: 2010-2016, iMinds-Vision Lab, University of Antwerp
#            2013-2016, CWI, Amsterdam
#
# Contact: astra@uantwerpen.be
# Website: http://sf.net/projects/astra-toolbox
#
# This file is part of the ASTRA Toolbox.
#
#
# The ASTRA Toolbox is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# The ASTRA Toolbox is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with the ASTRA Toolbox. If not, see <http://www.gnu.org/licenses/>.
#
# -----------------------------------------------------------------------
#
# distutils: language = c++
# distutils: libraries = astra

include "config.pxi"
import six
from .utils import wrap_from_bytes

from libcpp.string cimport string
from libcpp cimport bool
cdef extern from "astra/Globals.h" namespace "astra":
    int getVersion()
    string getVersionString()
    bool cudaEnabled()

IF HAVE_CUDA==True:
  cdef extern from "../cuda/2d/darthelper.h" namespace "astraCUDA":
      bool setGPUIndex(int)
ELSE:
  def setGPUIndex():
    pass

def credits():
    six.print_("""The ASTRA Toolbox has been developed at the University of Antwerp and CWI, Amsterdam by
 * Prof. dr. Joost Batenburg
 * Prof. dr. Jan Sijbers
 * Dr. Jeroen Bedorf
 * Dr. Folkert Bleichrodt
 * Dr. Andrei Dabravolski
 * Dr. Willem Jan Palenstijn
 * Dr. Tom Roelandts
 * Dr. Wim van Aarle
 * Dr. Gert Van Gompel
 * Sander van der Maar, MSc.
 * Gert Merckx, MSc.
 * Daan Pelt, MSc.""")


def use_cuda():
    return cudaEnabled()


def version(printToScreen=False):
    if printToScreen:
        six.print_(wrap_from_bytes(getVersionString()))
    else:
        return getVersion()

def set_gpu_index(idx):
    if use_cuda()==True:
        ret = setGPUIndex(idx)
        if not ret:
            six.print_("Failed to set GPU " + str(idx))