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// Copyright (c) 2019 by the SciSharp Team
// Code generated by CodeMinion: https://github.com/SciSharp/CodeMinion
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using Numpy.Models;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using Assert = NUnit.Framework.Assert;
namespace Numpy.UnitTest
{
[TestClass]
public class NumPy_bitwiseTest : BaseTestCase
{
[TestMethod]
public void bitwise_andTest()
{
// The number 13 is represented by 00001101. Likewise, 17 is
// represented by 00010001. The bit-wise AND of 13 and 17 is
// therefore 000000001, or 1:
// >>> np.bitwise_and(13, 17)
// 1
//
#if TODO
var given= np.bitwise_and(13, 17);
var expected=
"1";
Assert.AreEqual(expected, given.repr);
#endif
// >>> np.bitwise_and(14, 13)
// 12
// >>> np.binary_repr(12)
// '1100'
// >>> np.bitwise_and([14,3], 13)
// array([12, 1])
//
#if TODO
given= np.bitwise_and(14, 13);
expected=
"12";
Assert.AreEqual(expected, given.repr);
given= np.binary_repr(12);
expected=
"'1100'";
Assert.AreEqual(expected, given.repr);
given= np.bitwise_and({14,3}, 13);
expected=
"array([12, 1])";
Assert.AreEqual(expected, given.repr);
#endif
// >>> np.bitwise_and([11,7], [4,25])
// array([0, 1])
// >>> np.bitwise_and(np.array([2,5,255]), np.array([3,14,16]))
// array([ 2, 4, 16])
// >>> np.bitwise_and([True, True], [False, True])
// array([False, True])
//
#if TODO
given= np.bitwise_and({11,7}, {4,25});
expected=
"array([0, 1])";
Assert.AreEqual(expected, given.repr);
given= np.bitwise_and(np.array({2,5,255}), np.array({3,14,16}));
expected=
"array([ 2, 4, 16])";
Assert.AreEqual(expected, given.repr);
given= np.bitwise_and({True, True}, {False, True});
expected=
"array([False, True])";
Assert.AreEqual(expected, given.repr);
#endif
}
[TestMethod]
public void bitwise_orTest()
{
// The number 13 has the binaray representation 00001101. Likewise,
// 16 is represented by 00010000. The bit-wise OR of 13 and 16 is
// then 000111011, or 29:
// >>> np.bitwise_or(13, 16)
// 29
// >>> np.binary_repr(29)
// '11101'
//
#if TODO
var given= np.bitwise_or(13, 16);
var expected=
"29";
Assert.AreEqual(expected, given.repr);
given= np.binary_repr(29);
expected=
"'11101'";
Assert.AreEqual(expected, given.repr);
#endif
// >>> np.bitwise_or(32, 2)
// 34
// >>> np.bitwise_or([33, 4], 1)
// array([33, 5])
// >>> np.bitwise_or([33, 4], [1, 2])
// array([33, 6])
//
#if TODO
given= np.bitwise_or(32, 2);
expected=
"34";
Assert.AreEqual(expected, given.repr);
given= np.bitwise_or({33, 4}, 1);
expected=
"array([33, 5])";
Assert.AreEqual(expected, given.repr);
given= np.bitwise_or({33, 4}, {1, 2});
expected=
"array([33, 6])";
Assert.AreEqual(expected, given.repr);
#endif
// >>> np.bitwise_or(np.array([2, 5, 255]), np.array([4, 4, 4]))
// array([ 6, 5, 255])
// >>> np.array([2, 5, 255]) | np.array([4, 4, 4])
// array([ 6, 5, 255])
// >>> np.bitwise_or(np.array([2, 5, 255, 2147483647L], dtype=np.int32),
// ... np.array([4, 4, 4, 2147483647L], dtype=np.int32))
// array([ 6, 5, 255, 2147483647])
// >>> np.bitwise_or([True, True], [False, True])
// array([ True, True])
//
#if TODO
given= np.bitwise_or(np.array({2, 5, 255}), np.array({4, 4, 4}));
expected=
"array([ 6, 5, 255])";
Assert.AreEqual(expected, given.repr);
given= np.array({2, 5, 255}) | np.array({4, 4, 4});
expected=
"array([ 6, 5, 255])";
Assert.AreEqual(expected, given.repr);
given= np.bitwise_or(np.array({2, 5, 255, 2147483647L}, dtype=np.int32),;
expected=
"... np.array([4, 4, 4, 2147483647L], dtype=np.int32))\n" +
"array([ 6, 5, 255, 2147483647])";
Assert.AreEqual(expected, given.repr);
given= np.bitwise_or({True, True}, {False, True});
expected=
"array([ True, True])";
Assert.AreEqual(expected, given.repr);
#endif
}
[TestMethod]
public void bitwise_xorTest()
{
// The number 13 is represented by 00001101. Likewise, 17 is
// represented by 00010001. The bit-wise XOR of 13 and 17 is
// therefore 00011100, or 28:
// >>> np.bitwise_xor(13, 17)
// 28
// >>> np.binary_repr(28)
// '11100'
//
#if TODO
var given= np.bitwise_xor(13, 17);
var expected=
"28";
Assert.AreEqual(expected, given.repr);
given= np.binary_repr(28);
expected=
"'11100'";
Assert.AreEqual(expected, given.repr);
#endif
// >>> np.bitwise_xor(31, 5)
// 26
// >>> np.bitwise_xor([31,3], 5)
// array([26, 6])
//
#if TODO
given= np.bitwise_xor(31, 5);
expected=
"26";
Assert.AreEqual(expected, given.repr);
given= np.bitwise_xor({31,3}, 5);
expected=
"array([26, 6])";
Assert.AreEqual(expected, given.repr);
#endif
// >>> np.bitwise_xor([31,3], [5,6])
// array([26, 5])
// >>> np.bitwise_xor([True, True], [False, True])
// array([ True, False])
//
#if TODO
given= np.bitwise_xor({31,3}, {5,6});
expected=
"array([26, 5])";
Assert.AreEqual(expected, given.repr);
given= np.bitwise_xor({True, True}, {False, True});
expected=
"array([ True, False])";
Assert.AreEqual(expected, given.repr);
#endif
}
[TestMethod]
public void invertTest()
{
// We’ve seen that 13 is represented by 00001101.
// The invert or bit-wise NOT of 13 is then:
// >>> np.invert(np.array([13], dtype=uint8))
// array([242], dtype=uint8)
// >>> np.binary_repr(x, width=8)
// '00001101'
// >>> np.binary_repr(242, width=8)
// '11110010'
//
#if TODO
var given= np.invert(np.array({13}, dtype=uint8));
var expected=
"array([242], dtype=uint8)";
Assert.AreEqual(expected, given.repr);
given= np.binary_repr(x, width=8);
expected=
"'00001101'";
Assert.AreEqual(expected, given.repr);
given= np.binary_repr(242, width=8);
expected=
"'11110010'";
Assert.AreEqual(expected, given.repr);
#endif
// The result depends on the bit-width:
// >>> np.invert(np.array([13], dtype=uint16))
// array([65522], dtype=uint16)
// >>> np.binary_repr(x, width=16)
// '0000000000001101'
// >>> np.binary_repr(65522, width=16)
// '1111111111110010'
//
#if TODO
given= np.invert(np.array({13}, dtype=uint16));
expected=
"array([65522], dtype=uint16)";
Assert.AreEqual(expected, given.repr);
given= np.binary_repr(x, width=16);
expected=
"'0000000000001101'";
Assert.AreEqual(expected, given.repr);
given= np.binary_repr(65522, width=16);
expected=
"'1111111111110010'";
Assert.AreEqual(expected, given.repr);
#endif
// When using signed integer types the result is the two’s complement of
// the result for the unsigned type:
// >>> np.invert(np.array([13], dtype=int8))
// array([-14], dtype=int8)
// >>> np.binary_repr(-14, width=8)
// '11110010'
//
#if TODO
given= np.invert(np.array({13}, dtype=int8));
expected=
"array([-14], dtype=int8)";
Assert.AreEqual(expected, given.repr);
given= np.binary_repr(-14, width=8);
expected=
"'11110010'";
Assert.AreEqual(expected, given.repr);
#endif
// Booleans are accepted as well:
// >>> np.invert(array([True, False]))
// array([False, True])
//
#if TODO
given= np.invert(array({True, False}));
expected=
"array([False, True])";
Assert.AreEqual(expected, given.repr);
#endif
}
[TestMethod]
public void left_shiftTest()
{
// >>> np.binary_repr(5)
// '101'
// >>> np.left_shift(5, 2)
// 20
// >>> np.binary_repr(20)
// '10100'
//
#if TODO
var given= np.binary_repr(5);
var expected=
"'101'";
Assert.AreEqual(expected, given.repr);
given= np.left_shift(5, 2);
expected=
"20";
Assert.AreEqual(expected, given.repr);
given= np.binary_repr(20);
expected=
"'10100'";
Assert.AreEqual(expected, given.repr);
#endif
// >>> np.left_shift(5, [1,2,3])
// array([10, 20, 40])
//
#if TODO
given= np.left_shift(5, {1,2,3});
expected=
"array([10, 20, 40])";
Assert.AreEqual(expected, given.repr);
#endif
}
[TestMethod]
public void right_shiftTest()
{
// >>> np.binary_repr(10)
// '1010'
// >>> np.right_shift(10, 1)
// 5
// >>> np.binary_repr(5)
// '101'
//
#if TODO
var given= np.binary_repr(10);
var expected=
"'1010'";
Assert.AreEqual(expected, given.repr);
given= np.right_shift(10, 1);
expected=
"5";
Assert.AreEqual(expected, given.repr);
given= np.binary_repr(5);
expected=
"'101'";
Assert.AreEqual(expected, given.repr);
#endif
// >>> np.right_shift(10, [1,2,3])
// array([5, 2, 1])
//
#if TODO
given= np.right_shift(10, {1,2,3});
expected=
"array([5, 2, 1])";
Assert.AreEqual(expected, given.repr);
#endif
}
[TestMethod]
public void packbitsTest()
{
// >>> a = np.array([[[1,0,1],
// ... [0,1,0]],
// ... [[1,1,0],
// ... [0,0,1]]])
// >>> b = np.packbits(a, axis=-1)
// >>> b
// array([[[160],[64]],[[192],[32]]], dtype=uint8)
//
var a = np.array(new[, ,] {{{1,0,1},
{ 0,1,0}},
{{1,1,0},
{ 0,0,1}}});
var b = np.packbits(a, axis: -1);
var given = b;
var expected =
"array([[[160],\n [ 64]],\n\n [[192],\n [ 32]]], dtype=uint8)";
Assert.AreEqual(expected, given.repr);
// Note that in binary 160 = 1010 0000, 64 = 0100 0000, 192 = 1100 0000,
// and 32 = 0010 0000.
}
[TestMethod]
public void unpackbitsTest()
{
// >>> a = np.array([[2], [7], [23]], dtype=np.uint8)
// >>> a
// array([[ 2],
// [ 7],
// [23]], dtype=uint8)
// >>> b = np.unpackbits(a, axis=1)
// >>> b
// array([[0, 0, 0, 0, 0, 0, 1, 0],
// [0, 0, 0, 0, 0, 1, 1, 1],
// [0, 0, 0, 1, 0, 1, 1, 1]], dtype=uint8)
//
NDarray a = np.array(new[,] { { (byte)2 }, { (byte)7 }, { (byte)23 } }, dtype: np.uint8);
var given = a;
var expected =
"array([[ 2],\n" +
" [ 7],\n" +
" [23]], dtype=uint8)";
Assert.AreEqual(expected, given.repr);
var b = np.unpackbits(a, axis: 1);
given = b;
expected =
"array([[0, 0, 0, 0, 0, 0, 1, 0],\n" +
" [0, 0, 0, 0, 0, 1, 1, 1],\n" +
" [0, 0, 0, 1, 0, 1, 1, 1]], dtype=uint8)";
Assert.AreEqual(expected, given.repr);
}
[TestMethod]
public void binary_reprTest()
{
// >>> np.binary_repr(3)
// '11'
// >>> np.binary_repr(-3)
// '-11'
// >>> np.binary_repr(3, width=4)
// '0011'
//
var given = np.binary_repr(3);
var expected =
"11";
Assert.AreEqual(expected, given);
given = np.binary_repr(-3);
expected =
"-11";
Assert.AreEqual(expected, given);
given = np.binary_repr(3, width: 4);
expected =
"0011";
Assert.AreEqual(expected, given);
// The two’s complement is returned when the input number is negative and
// width is specified:
// >>> np.binary_repr(-3, width=3)
// '101'
// >>> np.binary_repr(-3, width=5)
// '11101'
//
given = np.binary_repr(-3, width: 3);
expected =
"101";
Assert.AreEqual(expected, given);
given = np.binary_repr(-3, width: 5);
expected =
"11101";
Assert.AreEqual(expected, given);
}
}
}