fix tests

e3nn_jax/_src/irreps.py

@@ -1058,11 +1058,11 @@ def rot_y(phi):
 
         if b is not None:
             if l < len(Jd):
-                J = Jd[l]
+                J = Jd[l].astype(b.dtype)
                 R += [J @ rot_y(b) @ J]
             else:
                 X = generators(l)
-                R += [jax.scipy.linalg.expm(b * X[0])]
+                R += [jax.scipy.linalg.expm(b.astype(X.dtype) * X[0]).astype(b.dtype)]
 
         if c is not None:
             R += [rot_y(c)]
@@ -1094,11 +1094,12 @@ def _wigner_D_from_log_coordinates(l: int, log_coordinates: jnp.ndarray) -> jnp.
     """
     X = generators(l)
 
-    def func(log_coordinates):
-        return jax.scipy.linalg.expm(jnp.einsum("a,aij->ij", log_coordinates, X))
+    def func(log):
+        log = log.astype(X.dtype)
+        return jax.scipy.linalg.expm(jnp.einsum("a,aij->ij", log, X))
 
     f = func
     for _ in range(log_coordinates.ndim - 1):
         f = jax.vmap(f)
 
-    return f(log_coordinates)
+    return f(log_coordinates).astype(log_coordinates.dtype)

e3nn_jax/_src/irreps_test.py

@@ -1,7 +1,7 @@
 import jax
 import numpy as np
 import pytest
-
+import jax.numpy as jnp
 import e3nn_jax as e3nn
 
 
@@ -141,9 +141,31 @@ def test_D(keys, ir):
     jax.config.update("jax_enable_x64", True)
 
     ir = e3nn.Irrep(ir)
-    angles = e3nn.rand_angles(keys[0])
+    angles = e3nn.rand_angles(keys[0], dtype=np.float64)
     Da = ir.D_from_angles(*angles)
     w = e3nn.angles_to_log_coordinates(*angles)
     Dw = ir.D_from_log_coordinates(w)
 
-    np.testing.assert_allclose(Da, Dw, atol=1e-10, rtol=0.0008)
+    assert Dw.dtype == np.float64, "D_from_log_coordinates should return float64"
+    assert Da.dtype == np.float64, "D_from_angles should return float64"
+    np.testing.assert_allclose(Da, Dw, atol=1e-10, rtol=0.002)
+
+
+@pytest.mark.parametrize("ir", ["0e", "1e", "2e", "3e", "4e", "12e"])
+def test_dtype_D_from_angles(ir):
+    jax.config.update("jax_enable_x64", True)
+
+    ir = e3nn.Irrep(ir)
+    e3nn.utils.assert_output_dtype_matches_input_dtype(
+        ir.D_from_angles, jnp.array(1.0), jnp.array(1.0), jnp.array(1.0)
+    )
+
+
+@pytest.mark.parametrize("ir", ["0e", "1e", "2e", "3e", "4e", "12e"])
+def test_dtype_D_from_log_coordinates(ir):
+    jax.config.update("jax_enable_x64", True)
+
+    ir = e3nn.Irrep(ir)
+    e3nn.utils.assert_output_dtype_matches_input_dtype(
+        ir.D_from_log_coordinates, jnp.array([1.0, 1.0, 0.0])
+    )