create a failing test

Author: ferrine

tests/distributions/test_multivariate.py

@@ -1714,6 +1714,14 @@ class TestDirichlet(BaseTestDistributionRandom):
         "check_rv_size",
     ]
 
+    @pytensor.config.change_flags(warn_float64="raise", floatX="float32")
+    def test_dirichlet_float32(self):
+        """https://github.com/pymc-devs/pymc/issues/6779
+        """
+        with pm.Model() as model:
+            c = pm.floatX([1, 1, 1])
+            pm.Dirichlet("a", c)
+        model.point_logps()
 
 class TestMultinomial(BaseTestDistributionRandom):
     pymc_dist = pm.Multinomial
@@ -2126,3 +2134,4 @@ def test_posdef_symmetric(matrix, result):
     """
     data = np.array(matrix, dtype=pytensor.config.floatX)
     assert posdef(data) == result
+