public void test_rand_UD_1()
{
var random = new np.random(new UserDefinedRandomGenerator());
ndarray arr = random.rand(new shape(2, 3, 4));
Assert.AreEqual(arr.TypeNum, NPY_TYPES.NPY_DOUBLE);
AssertShape(arr, 2, 3, 4);
random.seed(8765);
double f = random.rand();
print(f);
Assert.AreEqual(0.78412213771795958, f);
arr = random.rand(new shape(5000000));
var amax = np.amax(arr);
print(amax);
Assert.AreEqual(0.99999997671693563, (double)amax);
var amin = np.amin(arr);
print(amin);
Assert.AreEqual(5.1688402915228346E-08, (double)amin);
var avg = np.average(arr);
print(avg);
Assert.AreEqual(0.50011801294498859, (double)avg);
}
public void test_randn_UC_1()
{
var random = new np.random(new UserDefinedRandomGenerator());
double fr = random.randn();
ndarray arr = random.randn(new shape(2, 3, 4));
Assert.AreEqual(arr.TypeNum, NPY_TYPES.NPY_DOUBLE);
AssertShape(arr, 2, 3, 4);
random.seed(1234);
fr = random.randn();
print(fr);
//Assert.AreEqual(-0.29042058667075177, fr);
arr = random.randn(new shape(5000000));
Assert.AreEqual(arr.TypeNum, NPY_TYPES.NPY_DOUBLE);
var amax = np.amax(arr);
print(amax);
Assert.AreEqual(5.070295032710753, (double)amax);
var amin = np.amin(arr);
print(amin);
Assert.AreEqual(-5.04633622266897, (double)amin);
var avg = np.average(arr);
print(avg);
Assert.AreEqual(-0.00044428007674556522, (double)avg);
}
public void test_histogram2d_2()
{
var random = new np.random();
random.seed(8765);
var x = random.normal(2, 1, new shape(100));
var y = random.normal(1, 1, new shape(100));
var xedges = new int[] { 0, 1, 3, 5 };
var yedges = new int[] { 0, 2, 3, 4, 6 };
var weights = np.arange(300000 / 4, dtype: np.Float64);
weights.fill(0.5);
var bins = new List <Int32[]>()
{
xedges, yedges
};
var result = np.histogram2d(x, y, bins: 2);
AssertArray(result.H, new double[, ] {
{ 29.0, 17.0 }, { 33.0, 21.0 }
});
print(result.H);
AssertArray(result.xedges, new double[] { -0.267399252084981, 2.06371407063072, 4.39482739334641 });
print(result.xedges);
AssertArray(result.yedges, new double[] { -0.984644701475661, 1.45595900692665, 3.89656271532895 });
print(result.yedges);
}
public void test_histogram2d_3()
{
var random = new np.random();
random.seed(8765);
var x = random.normal(2, 1, new shape(100));
var y = random.normal(1, 1, new shape(100));
var xedges = np.array(new int[] { 0, 1, 3, 5 });
var yedges = np.array(new int[] { 0, 2, 3, 4, 6 });
var weights = np.arange(300000 / 4, dtype: np.Float64);
weights.fill(0.5);
var bins = new List <ndarray>()
{
xedges, yedges
};
var result = np.histogram2d(x, y, bins: bins.ToArray());
AssertArray(result.H, new double[, ] {
{ 11.0, 1.0, 2.0, 0.0 }, { 37.0, 15.0, 2.0, 0.0 }, { 13.0, 1.0, 0.0, 0.0 }
});
print(result.H);
AssertArray(result.xedges, new double[] { 0, 1, 3, 5 });
print(result.xedges);
AssertArray(result.yedges, new double[] { 0, 2, 3, 4, 6 });
print(result.yedges);
}
public void test_histogramdd_3()
{
var random = new np.random();
random.seed(8765);
var r = random.randint(10, 30, new shape(300000));
var weights = np.arange(300000 / 4, dtype: np.Float64);
weights.fill(0.5);
System.Tuple <int, int>[] range1 = new Tuple <int, int>[]
{
Tuple.Create(15, 25),
Tuple.Create(15, 25),
Tuple.Create(15, 25),
Tuple.Create(15, 25),
};
var x = np.histogramdd(r.reshape(-1, 4), bins: new int[] { 2, 2, 2, 2 }, range: range1, weights: weights);
var ExpectedHist = new double[, , , ]
{
{ { { 149.5, 176.0 }, { 187.5, 223.5 } }, { { 171.0, 227.0 }, { 194.5, 259.5 } } },
{ { { 188.5, 186.0 }, { 217.5, 267.5 } }, { { 223.0, 248.5 }, { 258.0, 312.5 } } }
};
AssertArray(x.hist, ExpectedHist);
AssertArray(x.bin_edges[0], new double[] { 15, 20, 25 });
AssertArray(x.bin_edges[1], new double[] { 15, 20, 25 });
AssertArray(x.bin_edges[2], new double[] { 15, 20, 25 });
AssertArray(x.bin_edges[3], new double[] { 15, 20, 25 });
print(x.hist);
print(x.bin_edges);
}
public void test_randint8_UD_1()
{
var random = new np.random(new UserDefinedRandomGenerator());
random.seed(9292);
ndarray arr = random.randint(2, 3, new shape(4), dtype: np.Int8);
Assert.AreEqual(arr.TypeNum, NPY_TYPES.NPY_BYTE);
AssertShape(arr, 4);
print(arr);
AssertArray(arr, new SByte[] { 2, 2, 2, 2 });
arr = random.randint(2, 8, new shape(5000000), dtype: np.Int8);
Assert.AreEqual(arr.TypeNum, NPY_TYPES.NPY_BYTE);
var amax = np.amax(arr);
print(amax);
Assert.AreEqual((sbyte)7, (sbyte)amax);
var amin = np.amin(arr);
print(amin);
Assert.AreEqual((sbyte)2, (sbyte)amin);
var avg = np.average(arr);
print(avg);
Assert.AreEqual(2.4605506, (double)avg);
var first10 = arr["0:10:1"] as ndarray;
print(first10);
AssertArray(first10, new sbyte[] { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 });
arr = random.randint(-2, 3, new shape(5000000), dtype: np.Int8);
Assert.AreEqual(arr.TypeNum, NPY_TYPES.NPY_BYTE);
amax = np.amax(arr);
print(amax);
Assert.AreEqual((sbyte)2, (sbyte)amax);
amin = np.amin(arr);
print(amin);
Assert.AreEqual((sbyte)(-2), (sbyte)amin);
avg = np.average(arr);
print(avg);
Assert.AreEqual(-1.6648296, (double)avg);
first10 = arr["0:10:1"] as ndarray;
print(first10);
AssertArray(first10, new sbyte[] { -2, -2, 0, -1, -2, -2, -2, -2, -2, -2 });
}
public void test_histogramdd_4()
{
var random = new np.random();
random.seed(8765);
var r = random.randint(10, 30, new shape(300000));
System.Tuple <int, int>[] range1 = new Tuple <int, int>[]
{
Tuple.Create(15, 25),
Tuple.Create(15, 25),
Tuple.Create(15, 25),
Tuple.Create(15, 25),
};
var x = np.histogramdd(r.reshape(-1, 4), bins: 3, range: range1);
var ExpectedHist = new double[, , , ]
{
{ { { 131.0, 84.0, 112.0 }, { 100.0, 71.0, 95.0 }, { 125.0, 90.0, 127.0 } }, { { 79.0, 70.0, 97.0 }, { 69.0, 59.0, 79.0 }, { 80.0, 84.0, 99.0 } },
{ { 112.0, 105.0, 113.0 }, { 80.0, 67.0, 91.0 }, { 107.0, 92.0, 129.0 } } }, { { { 109.0, 64.0, 78.0 }, { 73.0, 41.0, 64.0 }, { 91.0, 77.0, 110.0 } },
{ { 65.0, 47.0, 59.0 }, { 59.0, 50.0, 56.0 }, { 71.0, 59.0, 71.0 } }, { { 96.0, 66.0, 103.0 }, { 89.0, 60.0, 65.0 }, { 95.0, 59.0, 85.0 } } },
{ { { 127.0, 81.0, 100.0 }, { 89.0, 66.0, 82.0 }, { 126.0, 78.0, 143.0 } }, { { 86.0, 68.0, 76.0 }, { 65.0, 52.0, 69.0 }, { 78.0, 63.0, 101.0 } },
{ { 123.0, 95.0, 124.0 }, { 111.0, 68.0, 99.0 }, { 102.0, 77.0, 122.0 } } }
};
var ExpectedBinEdges = new double[] { 15.0, 18.3333333333333, 21.6666666666667, 25.0 };
AssertArray(x.hist, ExpectedHist);
AssertArray(x.bin_edges[0], ExpectedBinEdges);
AssertArray(x.bin_edges[1], ExpectedBinEdges);
AssertArray(x.bin_edges[2], ExpectedBinEdges);
AssertArray(x.bin_edges[3], ExpectedBinEdges);
print(x.hist);
print(x.bin_edges);
/////
System.Tuple <int, int>[] range3 = new Tuple <int, int>[]
{
Tuple.Create(15, 25),
Tuple.Create(15, 25),
};
x = np.histogramdd(r.reshape(-1, 2), bins: 2, density: true, range: range3);
print(x.hist);
print(x.bin_edges);
/////
}
public double[] GenerateArt(int batch_size = 1, int net_size = 16, int h_size = 8, int width = 512, int height = 512, float scaling = 10.0f, bool RGB = true, int?seed = null)
{
int?KeyId = null;
if (seed != null)
{
KeyId = seed;
random = new np.random();
random.seed(KeyId);
}
else
{
KeyId = Math.Abs(DateTime.Now.GetHashCode());
random = new np.random();
random.seed(KeyId);
}
var art = new ArtGenNumpyDotNet();
art.InitialiseCPPN(batch_size, net_size, RGB: RGB);
if (RGB)
{
C_Dim = 3;
}
else
{
C_Dim = 1;
}
var imageData = art.Generate(width, height, scaling);
var imgData = np.array(np.array(1) - imageData);
if (C_Dim > 1)
{
imgData = np.array(imgData.reshape((height, width, C_Dim)) * 255.0);
}
else
{
imgData = np.array(imgData.reshape((height, width)) * 255.0);
}
return(imgData.ToArray <double>());
}
// """
// Args:
// n_inputs: nr of input dimensions
// n_outputs: nr of output dimensions
// n_reservoir: nr of reservoir neurons
// spectral_radius: spectral radius of the recurrent weight matrix
// sparsity: proportion of recurrent weights set to zero
// noise: noise added to each neuron(regularization)
// input_shift: scalar or vector of length n_inputs to add to each
// input dimension before feeding it to the network.
// input_scaling: scalar or vector of length n_inputs to multiply
// with each input dimension before feeding it to the netw.
// teacher_forcing: if True, feed the target back into output units
// teacher_scaling: factor applied to the target signal
// teacher_shift: additive term applied to the target signal
// out_activation: output activation function (applied to the readout)
// inverse_out_activation: inverse of the output activation function
// random_state: positive integer seed, np.rand.RandomState object,
// or None to use numpy's builting RandomState.
// silent: supress messages
// """
public ESN(int n_inputs, int n_outputs, int n_reservoir = 200,
double spectral_radius = 0.95, double sparsity = 0, double noise = 0.001,
ndarray input_shift = null,
ndarray input_scaling = null,
bool teacher_forcing = true,
ndarray feedback_scaling = null,
double teacher_scaling = 0, double teacher_shift = 0,
Func <ndarray, ndarray> out_activation = null,
Func <ndarray, ndarray> inverse_out_activation = null,
object random_state = null,
bool silent = true)
{
if (out_activation == null)
{
out_activation = IdentityFunction <ndarray>();
}
if (inverse_out_activation == null)
{
inverse_out_activation = IdentityFunction <ndarray>();
}
// check for proper dimensionality of all arguments and write them down.
this.n_inputs = n_inputs;
this.n_reservoir = n_reservoir;
this.n_outputs = n_outputs;
this.spectral_radius = spectral_radius;
this.sparsity = sparsity;
this.noise = noise;
this.input_shift = correct_dimensions(input_shift, n_inputs);
this.input_scaling = correct_dimensions(input_scaling, n_inputs);
this.teacher_scaling = teacher_scaling;
this.teacher_shift = teacher_shift;
this.out_activation = out_activation;
this.inverse_out_activation = inverse_out_activation;
// the given random_state might be either an actual RandomState object,
// a seed or None (in which case we use numpy's builtin RandomState)
if (random_state is RandomState)
{
this.random_state_ = random_state as np.random;
}
else if (random_state is int)
{
try
{
var rnd = new np.random();
rnd.seed((int)random_state);
this.random_state_ = rnd;
}
catch (System.Exception ex)
{
throw new Exception("Invalid seed: " + ex);
}
}
else
{
this.random_state_ = new np.random();
}
this.teacher_forcing = teacher_forcing;
this.silent = silent;
this.initweights();
}
public void test_histogramdd_5()
{
var random = new np.random();
random.seed(8765);
var r = random.randint(10, 30, new shape(300000));
System.Tuple <int, int>[] range1 = new Tuple <int, int>[]
{
Tuple.Create(15, 25),
Tuple.Create(15, 25),
Tuple.Create(15, 25),
Tuple.Create(15, 25),
};
var x = np.histogramdd(r.reshape(-1, 4), bins: np.array(new int[] { 2, 2, 2, 2 }), range: range1);
var ExpectedHist = new double[, , , ]
{
{ { { 299, 352 }, { 375, 447 } }, { { 342, 454 }, { 389, 519 } } },
{ { { 377, 372 }, { 435, 535 } }, { { 446, 497 }, { 516, 625 } } }
};
AssertArray(x.hist, ExpectedHist);
AssertArray(x.bin_edges[0], new double[] { 15, 20, 25 });
AssertArray(x.bin_edges[1], new double[] { 15, 20, 25 });
AssertArray(x.bin_edges[2], new double[] { 15, 20, 25 });
AssertArray(x.bin_edges[3], new double[] { 15, 20, 25 });
print(x.hist);
print(x.bin_edges);
/////
System.Tuple <int, int>[] range2 = new Tuple <int, int>[]
{
Tuple.Create(20, 20),
Tuple.Create(20, 20),
Tuple.Create(20, 20),
Tuple.Create(20, 20),
};
x = np.histogramdd(r.reshape(-1, 4), bins: np.array(new double[] { 2, 2, 2, 2 }), range: range2);
ExpectedHist = new double[, , , ]
{
{ { { 0, 0 }, { 0, 0 } }, { { 0, 0 }, { 0, 0 } } },
{ { { 0, 0 }, { 0, 0 } }, { { 0, 0 }, { 0, 0 } } }
};
AssertArray(x.hist, ExpectedHist);
AssertArray(x.bin_edges[0], new double[] { 19.5, 20, 20.5 });
AssertArray(x.bin_edges[1], new double[] { 19.5, 20, 20.5 });
AssertArray(x.bin_edges[2], new double[] { 19.5, 20, 20.5 });
AssertArray(x.bin_edges[3], new double[] { 19.5, 20, 20.5 });
print(x.hist);
print(x.bin_edges);
/////
System.Tuple <int, int>[] range3 = new Tuple <int, int>[]
{
Tuple.Create(15, 25),
Tuple.Create(15, 25),
};
x = np.histogramdd(r.reshape(-1, 2), bins: np.array(new Int32[] { 3, 3 }), density: true, range: range3);
var ExpectedHist2 = new double[, ]
{
{ 0.0119444935087874, 0.00873134328358209, 0.011668285789985 },
{ 0.00910293208513644, 0.00670052106332243, 0.00903537048485383 },
{ 0.0117239247549236, 0.00896184756689923, 0.0121312814625099 }
};
AssertArray(x.hist, ExpectedHist2);
AssertArray(x.bin_edges[0], new double[] { 15.0, 18.3333333333333, 21.6666666666667, 25.0 });
AssertArray(x.bin_edges[1], new double[] { 15.0, 18.3333333333333, 21.6666666666667, 25.0 });
print(x.hist);
print(x.bin_edges);
/////
System.Tuple <int, int>[] range4 = new Tuple <int, int>[]
{
Tuple.Create(15, 25),
Tuple.Create(15, 25),
Tuple.Create(15, 25),
};
x = np.histogramdd(r.reshape(-1, 3), bins: np.array(new Int32[] { 4, 4, 4 }), density: false, range: range4);
var ExpectedHist3 = new double[, , ]
{
{ { 317.0, 222.0, 322.0, 333.0 }, { 198.0, 151.0, 230.0, 228.0 }, { 339.0, 196.0, 333.0, 360.0 }, { 340.0, 211.0, 341.0, 324.0 } },
{ { 221.0, 164.0, 231.0, 213.0 }, { 147.0, 101.0, 162.0, 162.0 }, { 226.0, 165.0, 228.0, 235.0 }, { 239.0, 161.0, 242.0, 220.0 } },
{ { 334.0, 213.0, 361.0, 364.0 }, { 224.0, 157.0, 232.0, 217.0 }, { 372.0, 226.0, 331.0, 351.0 }, { 350.0, 249.0, 344.0, 347.0 } },
{ { 348.0, 214.0, 337.0, 313.0 }, { 207.0, 169.0, 234.0, 206.0 }, { 347.0, 225.0, 305.0, 343.0 }, { 331.0, 225.0, 357.0, 374.0 } }
};
AssertArray(x.hist, ExpectedHist3);
AssertArray(x.bin_edges[0], new double[] { 15.0, 17.5, 20.0, 22.5, 25.0 });
AssertArray(x.bin_edges[1], new double[] { 15.0, 17.5, 20.0, 22.5, 25.0 });
AssertArray(x.bin_edges[2], new double[] { 15.0, 17.5, 20.0, 22.5, 25.0 });
print(x.hist);
print(x.bin_edges);
}
public void test_histogramdd_1()
{
var random = new np.random();
random.seed(8765);
var r = random.randint(10, 30, new shape(3000));
var x = np.histogramdd(r.reshape(-1, 4), bins: new int[] { 2, 2, 2, 2 });
var ExpectedHist = new double[, , , ]
{
{ { { 48.0, 48.0 }, { 38.0, 58.0 } }, { { 50.0, 45.0 }, { 46.0, 49.0 } } },
{ { { 44.0, 40.0 }, { 44.0, 50.0 } }, { { 43.0, 36.0 }, { 60.0, 51.0 } } }
};
AssertArray(x.hist, ExpectedHist);
AssertArray(x.bin_edges[0], new double[] { 10.0, 19.5, 29 });
AssertArray(x.bin_edges[1], new double[] { 10.0, 19.5, 29 });
AssertArray(x.bin_edges[2], new double[] { 10.0, 19.5, 29 });
AssertArray(x.bin_edges[3], new double[] { 10.0, 19.5, 29 });
print(x.hist);
print(x.bin_edges);
/////
x = np.histogramdd(r.reshape(-1, 4), bins: new double[] { 2, 2, 2, 2 });
ExpectedHist = new double[, , , ]
{
{ { { 48.0, 48.0 }, { 38.0, 58.0 } }, { { 50.0, 45.0 }, { 46.0, 49.0 } } },
{ { { 44.0, 40.0 }, { 44.0, 50.0 } }, { { 43.0, 36.0 }, { 60.0, 51.0 } } }
};
AssertArray(x.hist, ExpectedHist);
AssertArray(x.bin_edges[0], new double[] { 10.0, 19.5, 29 });
AssertArray(x.bin_edges[1], new double[] { 10.0, 19.5, 29 });
AssertArray(x.bin_edges[2], new double[] { 10.0, 19.5, 29 });
AssertArray(x.bin_edges[3], new double[] { 10.0, 19.5, 29 });
print(x.hist);
print(x.bin_edges);
/////
x = np.histogramdd(r.reshape(-1, 2), bins: new Int32[] { 3, 3 }, density: true);
var ExpectedHist2 = new double[, ]
{
{ 0.00307479224376731, 0.00259279778393352, 0.00282548476454294 },
{ 0.00245983379501385, 0.00237673130193906, 0.00280886426592798 },
{ 0.00292520775623269, 0.00250969529085873, 0.0033573407202216 }
};
AssertArray(x.hist, ExpectedHist2);
AssertArray(x.bin_edges[0], new double[] { 10.0, 16.3333333333333, 22.6666666666667, 29.0 });
AssertArray(x.bin_edges[1], new double[] { 10.0, 16.3333333333333, 22.6666666666667, 29.0 });
print(x.hist);
print(x.bin_edges);
x = np.histogramdd(r.reshape(-1, 3), bins: new Int32[] { 4, 4, 4 }, density: false);
var ExpectedHist3 = new double[, , ]
{
{ { 19.0, 21.0, 19.0, 15.0 }, { 22.0, 11.0, 11.0, 10.0 }, { 17.0, 13.0, 7.0, 12.0 }, { 12.0, 11.0, 7.0, 23.0 } },
{ { 12.0, 13.0, 16.0, 14.0 }, { 12.0, 14.0, 15.0, 20.0 }, { 17.0, 16.0, 19.0, 12.0 }, { 13.0, 13.0, 17.0, 16.0 } },
{ { 23.0, 22.0, 9.0, 13.0 }, { 12.0, 23.0, 20.0, 21.0 }, { 23.0, 14.0, 14.0, 25.0 }, { 19.0, 19.0, 13.0, 21.0 } },
{ { 18.0, 18.0, 13.0, 11.0 }, { 11.0, 11.0, 15.0, 20.0 }, { 14.0, 15.0, 15.0, 24.0 }, { 13.0, 15.0, 11.0, 16.0 } }
};
AssertArray(x.hist, ExpectedHist3);
AssertArray(x.bin_edges[0], new double[] { 10.0, 14.75, 19.5, 24.25, 29.0 });
AssertArray(x.bin_edges[1], new double[] { 10.0, 14.75, 19.5, 24.25, 29.0 });
AssertArray(x.bin_edges[2], new double[] { 10.0, 14.75, 19.5, 24.25, 29.0 });
print(x.hist);
print(x.bin_edges);
}