MAINT: remove pcg32 BitGenerator

JianMeng · Jun 25, 2019 · 083be1f · 083be1f
1 parent 5a7a4a4
commit 083be1f
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Showing 16 changed files with 6 additions and 2,945 deletions.
diff --git a/benchmarks/benchmarks/bench_random.py b/benchmarks/benchmarks/bench_random.py
@@ -92,7 +92,7 @@ def time_permutation_int(self):
 
 class RNG(Benchmark):
     param_names = ['rng']
-    params = ['PCG64', 'PCG32', 'MT19937', 'Xoshiro256',
+    params = ['PCG64', 'MT19937', 'Xoshiro256',
               'Xoshiro512', 'Philox', 'ThreeFry', 'numpy']
 
     def setup(self, bitgen):
@@ -134,7 +134,7 @@ class Bounded(Benchmark):
     u32 = np.uint32
     u64 = np.uint64
     param_names = ['rng', 'dt_max']
-    params = [['PCG64', 'PCG32', 'MT19937','Xoshiro256',
+    params = [['PCG64', 'MT19937','Xoshiro256',
                'Xoshiro512', 'Philox', 'ThreeFry', 'numpy'],
               [[u8,    95],
                [u8,    64],  # Worst case for legacy

diff --git a/doc/source/reference/random/bit_generators/index.rst b/doc/source/reference/random/bit_generators/index.rst
@@ -19,7 +19,6 @@ Stable RNGs
    :maxdepth: 1
 
    MT19937 <mt19937>
-   PCG32 <pcg32>
    PCG64 <pcg64>
    Philox <philox>
    ThreeFry <threefry>

diff --git a/doc/source/reference/random/bit_generators/pcg32.rst b/doc/source/reference/random/bit_generators/pcg32.rst
diff --git a/numpy/random/__init__.py b/numpy/random/__init__.py
@@ -98,7 +98,6 @@
 BitGenerator Streams that work with Generator
 --------------------------------------------- ---
 MT19937
-PCG32
 PCG64
 Philox
 ThreeFry
@@ -166,15 +165,14 @@
 from .mtrand import *
 from .generator import Generator
 from .mt19937 import MT19937
-from .pcg32 import PCG32
 from .pcg64 import PCG64
 from .philox import Philox
 from .threefry import ThreeFry
 from .xoshiro256 import Xoshiro256
 from .xoshiro512 import Xoshiro512
 from .mtrand import RandomState
 
-__all__ += ['Generator', 'MT19937', 'Philox', 'PCG64', 'PCG32',
+__all__ += ['Generator', 'MT19937', 'Philox', 'PCG64',
             'ThreeFry', 'Xoshiro256', 'Xoshiro512', 'RandomState']
 
 

diff --git a/numpy/random/_pickle.py b/numpy/random/_pickle.py
@@ -1,7 +1,6 @@
 from .mtrand import RandomState
 from .philox import Philox
 from .threefry import ThreeFry
-from .pcg32 import PCG32
 from .pcg64 import PCG64
 from .xoshiro256 import Xoshiro256
 from .xoshiro512 import Xoshiro512
@@ -10,7 +9,6 @@
 from .mt19937 import MT19937
 
 BitGenerators = {'MT19937': MT19937,
-                 'PCG32': PCG32,
                  'PCG64': PCG64,
                  'Philox': Philox,
                  'ThreeFry': ThreeFry,