Remove floatX="float32" tests

If tests are concerned about float32 they should manually set it with `pytensor.config.change_flags`

Author: ricardoV94

.github/workflows/test.yml

@@ -18,15 +18,14 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        floatx: [float64]
         python-version: ["3.9"]
         test-subset:
           - pymc_experimental/tests
       fail-fast: false
     runs-on: ${{ matrix.os }}
     env:
       TEST_SUBSET: ${{ matrix.test-subset }}
-      PYTENSOR_FLAGS: floatX=${{ matrix.floatx }},gcc__cxxflags='-march=native'
+      PYTENSOR_FLAGS: gcc__cxxflags='-march=native'
     defaults:
       run:
         shell: bash -l {0}
@@ -77,21 +76,20 @@ jobs:
         uses: codecov/codecov-action@v2
         with:
           env_vars: TEST_SUBSET
-          name: ${{ matrix.os }} ${{ matrix.floatx }}
+          name: ${{ matrix.os }}
           fail_ci_if_error: false
   windows:
     strategy:
       matrix:
         os: [windows-latest]
-        floatx: [float32]
         python-version: ["3.11"]
         test-subset:
           - pymc_experimental/tests
       fail-fast: false
     runs-on: ${{ matrix.os }}
     env:
       TEST_SUBSET: ${{ matrix.test-subset }}
-      PYTENSOR_FLAGS: floatX=${{ matrix.floatx }},gcc__cxxflags='-march=core2'
+      PYTENSOR_FLAGS: gcc__cxxflags='-march=core2'
     defaults:
       run:
         shell: cmd
@@ -144,5 +142,5 @@ jobs:
         uses: codecov/codecov-action@v2
         with:
           env_vars: TEST_SUBSET
-          name: ${{ matrix.os }} ${{ matrix.floatx }}
+          name: ${{ matrix.os }}
           fail_ci_if_error: false

pymc_experimental/tests/distributions/test_continuous.py

@@ -11,13 +11,10 @@
 #   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 #   See the License for the specific language governing permissions and
 #   limitations under the License.
-import platform
-
 import numpy as np
 import pymc as pm
 
 # general imports
-import pytensor
 import pytest
 import scipy.stats.distributions as sp
 
@@ -47,10 +44,6 @@ class TestGenExtremeClass:
     pm.logp(GenExtreme.dist(mu=0.,sigma=1.,xi=0.5),value=-0.01)
     """
 
-    @pytest.mark.xfail(
-        condition=(pytensor.config.floatX == "float32"),
-        reason="PyMC underflows earlier than scipy on float32",
-    )
     def test_logp(self):
         def ref_logp(value, mu, sigma, xi):
             if 1 + xi * (value - mu) / sigma > 0:
@@ -69,13 +62,6 @@ def ref_logp(value, mu, sigma, xi):
             ref_logp,
         )
 
-        if pytensor.config.floatX == "float32":
-            raise Exception("Flaky test: It passed this time, but XPASS is not allowed.")
-
-    @pytest.mark.skipif(
-        (pytensor.config.floatX == "float32" and platform.system() == "Windows"),
-        reason="Scipy gives different results on Windows and does not match with desired accuracy",
-    )
     def test_logcdf(self):
         def ref_logcdf(value, mu, sigma, xi):
             if 1 + xi * (value - mu) / sigma > 0:

pymc_experimental/tests/distributions/test_multivariate.py

@@ -1,6 +1,5 @@
 import numpy as np
 import pymc as pm
-import pytensor
 import pytest
 
 import pymc_experimental as pmx
@@ -96,10 +95,6 @@ def phi_args(self, request, phi_args_base):
             phi_args_base["importance_concentration"] = 10
         return phi_args_base
 
-    @pytest.mark.skipif(
-        pytensor.config.floatX == "float32",
-        reason="pytensor.config.floatX == 'float32', https://github.com/pymc-devs/pymc/issues/6779",
-    )
     def test_init(
         self,
         dims,