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#!/usr/bin/python
#######################################################
# Copyright (c) 2015, ArrayFire
# All rights reserved.
#
# This file is distributed under 3-clause BSD license.
# The complete license agreement can be obtained at:
# http://arrayfire.com/licenses/BSD-3-Clause
########################################################
import arrayfire as af
import sys
from array import array
if __name__ == "__main__":
if (len(sys.argv) > 1):
af.set_device(int(sys.argv[1]))
af.info()
print("\n---- Intro to ArrayFire using signed(s32) arrays ----\n")
h_A = array('i', ( 1, 2, 4, -1, 2, 0, 4, 2, 3))
h_B = array('i', ( 2, 3, 5, 6, 0, 10,-12, 0, 1))
A = af.Array(h_A, (3,3))
B = af.Array(h_B, (3,3))
print("\n---- Sub referencing and sub assignment\n")
af.display(A)
af.display(A[0,:])
af.display(A[:,0])
A[0,0] = 11
A[1] = 100
af.display(A)
af.display(B)
A[1,:] = B[2,:]
af.display(A)
print("\n---- Bitwise operations\n")
af.display(A & B)
af.display(A | B)
af.display(A ^ B)
print("\n---- Transpose\n")
af.display(A)
af.display(af.transpose(A))
print("\n---- Flip Vertically / Horizontally\n")
af.display(A)
af.display(af.flip(A, 0))
af.display(af.flip(A, 1))
print("\n---- Sum, Min, Max along row / columns\n")
af.display(A)
af.display(af.sum(A, 0))
af.display(af.min(A, 0))
af.display(af.max(A, 0))
af.display(af.sum(A, 1))
af.display(af.min(A, 1))
af.display(af.max(A, 1))
print("\n---- Get minimum with index\n")
(min_val, min_idx) = af.imin(A, 0)
af.display(min_val)
af.display(min_idx)
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