Merge latest release/1.3.x changes and upgrade version in main

.github/workflows/pytorch-latest-main.yml

@@ -11,9 +11,8 @@ jobs:
     runs-on: ubuntu-latest
     if: ${{ github.repository }} == 'hemlholtz-analytics/heat'
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
-          token: ${{ secrets.GHACTIONS }}
           ref: '${{ env.base_branch }}'
       - name: Fetch PyTorch release version
         run: |

.github/workflows/pytorch-latest-release.yml

@@ -11,9 +11,8 @@ jobs:
     runs-on: ubuntu-latest
     if: ${{ github.repository }} == 'hemlholtz-analytics/heat'
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
-          token: ${{ secrets.GHACTIONS }}
           ref: '${{ env.base_branch }}'
       - name: Fetch PyTorch release version
         run: |

heat/core/linalg/tests/test_solver.py

@@ -65,15 +65,8 @@ def test_lanczos(self):
         lanczos_B = V_out @ T_out @ V_inv
         self.assertTrue(ht.allclose(lanczos_B, B))
 
-        # single precision tolerance
-        if (
-            int(torch.__version__.split(".")[0]) == 1
-            and int(torch.__version__.split(".")[1]) >= 13
-            or int(torch.__version__.split(".")[0]) > 1
-        ):
-            tolerance = 1e-3
-        else:
-            tolerance = 1e-4
+        # single precision tolerance for torch.inv() is pretty bad
+        tolerance = 1e-3
 
         # float32, pre_defined v0, split mismatch
         A = ht.random.randn(n, n, dtype=ht.float32, split=0)

heat/core/version.py

@@ -3,7 +3,7 @@
 
 major: int = 1
 """Indicates Heat's main version."""
-minor: int = 3
+minor: int = 4
 """Indicates feature extension."""
 micro: int = 0
 """Indicates revisions for bugfixes."""