WIP: More distributions

doc/src/modules/stats.rst

@@ -25,21 +25,32 @@ Continuous Types
 .. autofunction:: BetaPrime
 .. autofunction:: Cauchy
 .. autofunction:: Chi
+.. autofunction:: ChiNoncentral
+.. autofunction:: ChiSquared
 .. autofunction:: Dagum
+.. autofunction:: Erlang
 .. autofunction:: Exponential
+.. autofunction:: FDistribution
+.. autofunction:: FisherZ
+.. autofunction:: Frechet
 .. autofunction:: Gamma
+.. autofunction:: GammaInverse
+.. autofunction:: Kumaraswamy
 .. autofunction:: Laplace
 .. autofunction:: Logistic
 .. autofunction:: LogNormal
 .. autofunction:: Maxwell
 .. autofunction:: Nakagami
 .. autofunction:: Normal
 .. autofunction:: Pareto
+.. autofunction:: QuadraticU
+.. autofunction:: RaisedCosine
 .. autofunction:: Rayleigh
 .. autofunction:: StudentT
 .. autofunction:: Triangular
 .. autofunction:: Uniform
 .. autofunction:: UniformSum
+.. autofunction:: VonMises
 .. autofunction:: Weibull
 .. autofunction:: WignerSemicircle
 .. autofunction:: ContinuousRV

sympy/core/tests/test_args.py

@@ -696,6 +696,16 @@ def test_sympy__stats__crv_types__ChiPSpace():
     assert _test_args(ChiPSpace('X', 1))
 
 
+def test_sympy__stats__crv_types__ChiNoncentralPSpace():
+    from sympy.stats.crv_types import ChiNoncentralPSpace
+    assert _test_args(ChiNoncentralPSpace('X', 1,1))
+
+
+def test_sympy__stats__crv_types__ChiSquaredPSpace():
+    from sympy.stats.crv_types import ChiSquaredPSpace
+    assert _test_args(ChiSquaredPSpace('X', 1))
+
+
 def test_sympy__stats__crv_types__DagumPSpace():
     from sympy.stats.crv_types import DagumPSpace
     assert _test_args(DagumPSpace('X', 1, 1, 1))
@@ -706,11 +716,35 @@ def test_sympy__stats__crv_types__ExponentialPSpace():
     assert _test_args(ExponentialPSpace('X', 1))
 
 
+def test_sympy__stats__crv_types__FDistributionPSpace():
+    from sympy.stats.crv_types import FDistributionPSpace
+    assert _test_args(FDistributionPSpace('X', 1, 1))
+
+
+def test_sympy__stats__crv_types__FisherZPSpace():
+    from sympy.stats.crv_types import FisherZPSpace
+    assert _test_args(FisherZPSpace('X', 1, 1))
+
+
+def test_sympy__stats__crv_types__FrechetPSpace():
+    from sympy.stats.crv_types import FrechetPSpace
+    assert _test_args(FrechetPSpace('X', 1, 1, 1))
+
+
+def test_sympy__stats__crv_types__GammaInversePSpace():
+    from sympy.stats.crv_types import GammaInversePSpace
+    assert _test_args(GammaInversePSpace('X', 1, 1))
+
+
 def test_sympy__stats__crv_types__GammaPSpace():
     from sympy.stats.crv_types import GammaPSpace
     assert _test_args(GammaPSpace('X', 1, 1))
 
 
+def test_sympy__stats__crv_types__KumaraswamyPSpace():
+    from sympy.stats.crv_types import KumaraswamyPSpace
+    assert _test_args(KumaraswamyPSpace('X', 1, 1))
+
 def test_sympy__stats__crv_types__LaplacePSpace():
     from sympy.stats.crv_types import LaplacePSpace
     assert _test_args(LaplacePSpace('X', 0, 1))
@@ -746,6 +780,14 @@ def test_sympy__stats__crv_types__ParetoPSpace():
     assert _test_args(ParetoPSpace('X', 1, 1))
 
 
+def test_sympy__stats__crv_types__QuadraticUPSpace():
+    from sympy.stats.crv_types import QuadraticUPSpace
+    assert _test_args(QuadraticUPSpace('X', 1, 2))
+
+def test_sympy__stats__crv_types__RaisedCosinePSpace():
+    from sympy.stats.crv_types import RaisedCosinePSpace
+    assert _test_args(RaisedCosinePSpace('X', 1, 1))
+
 def test_sympy__stats__crv_types__RayleighPSpace():
     from sympy.stats.crv_types import RayleighPSpace
     assert _test_args(RayleighPSpace('X', 1))
@@ -771,6 +813,11 @@ def test_sympy__stats__crv_types__UniformSumPSpace():
     assert _test_args(UniformSumPSpace('X', 1))
 
 
+def test_sympy__stats__crv_types__VonMisesPSpace():
+    from sympy.stats.crv_types import VonMisesPSpace
+    assert _test_args(VonMisesPSpace('X', 1, 1))
+
+
 def test_sympy__stats__crv_types__WeibullPSpace():
     from sympy.stats.crv_types import WeibullPSpace
     assert _test_args(WeibullPSpace('X', 1, 1))

sympy/stats/__init__.py

@@ -53,9 +53,12 @@
 
 import crv_types
 from crv_types import (
-    Arcsin, Benini, Beta, BetaPrime, Cauchy, Chi, ContinuousRV, Dagum,
-    Exponential, Gamma, Laplace, Logistic, LogNormal, Maxwell, Nakagami,
-    Normal, Pareto, Rayleigh, StudentT, Triangular, Uniform, UniformSum,
-    Weibull, WignerSemicircle,
+    ContinuousRV,
+    Arcsin, Benini, Beta, BetaPrime, Cauchy, Chi, ChiNoncentral, ChiSquared,
+    Dagum, Erlang, Exponential, FDistribution, FisherZ, Frechet, Gamma,
+    GammaInverse, Kumaraswamy, Laplace, Logistic, LogNormal, Maxwell,
+    Nakagami, Normal, Pareto, QuadraticU, RaisedCosine, Rayleigh,
+    StudentT, Triangular, Uniform, UniformSum, VonMises, Weibull,
+    WignerSemicircle
 )
 __all__.extend(crv_types.__all__)