1 files changed, 42 insertions, 0 deletions
diff --git a/numpy/typing/_extended_precision.py b/numpy/typing/_extended_precision.py
new file mode 100644
index 000000000..0900bc659
--- /dev/null
+++ b/numpy/typing/_extended_precision.py
@@ -0,0 +1,42 @@
+"""A module with platform-specific extended precision `numpy.number` subclasses.
+
+The subclasses are defined here (instead of ``__init__.pyi``) such
+that they can be imported conditionally via the numpy's mypy plugin.
+"""
+
+from typing import TYPE_CHECKING
+
+import numpy as np
+from . import (
+    _80Bit,
+    _96Bit,
+    _128Bit,
+    _256Bit,
+)
+
+if TYPE_CHECKING:
+    uint128 = np.unsignedinteger[_128Bit]
+    uint256 = np.unsignedinteger[_256Bit]
+    int128 = np.signedinteger[_128Bit]
+    int256 = np.signedinteger[_256Bit]
+    float80 = np.floating[_80Bit]
+    float96 = np.floating[_96Bit]
+    float128 = np.floating[_128Bit]
+    float256 = np.floating[_256Bit]
+    complex160 = np.complexfloating[_80Bit, _80Bit]
+    complex192 = np.complexfloating[_96Bit, _96Bit]
+    complex256 = np.complexfloating[_128Bit, _128Bit]
+    complex512 = np.complexfloating[_256Bit, _256Bit]
+else:
+    uint128 = Any
+    uint256 = Any
+    int128 = Any
+    int256 = Any
+    float80 = Any
+    float96 = Any
+    float128 = Any
+    float256 = Any
+    complex160 = Any
+    complex192 = Any
+    complex256 = Any
+    complex512 = Any