chore: import upstream snapshot with attribution

2026-07-13 13:30:25 +08:00
commit f19b2512d7
562 changed files with 38082 additions and 0 deletions
@@ -0,0 +1,13 @@
+import unittest
+import numpy as np
+from prml import nn
+
+
+class TestSoftplus(unittest.TestCase):
+
+    def test_softplus(self):
+        self.assertEqual(nn.softplus(0).value, np.log(2))
+
+
+if __name__ == '__main__':
+    unittest.main()