From a312136aa3240fdc83deaedd0a5738711bebdede Mon Sep 17 00:00:00 2001
From: Aman Goel <aman.goel185@gmail.com>
Date: Fri, 3 Sep 2021 01:31:04 +0530
Subject: [PATCH] feat: base class for interpolators

---
 src/hist/interp.py | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 src/hist/interp.py

diff --git a/src/hist/interp.py b/src/hist/interp.py
new file mode 100644
index 00000000..d4aa6454
--- /dev/null
+++ b/src/hist/interp.py
@@ -0,0 +1,22 @@
+from __future__ import annotations
+
+import dataclasses
+from typing import Any
+
+import numpy as np
+
+from hist import Hist
+
+
+@dataclasses.dataclass
+class Interp:
+    x: np.typing.ArrayLike
+    _hist: Hist
+
+    def __call__(self, x: np.typing.ArrayLike, _hist: Hist) -> Any:
+        raise NotImplementedError()
+
+
+class Linear(Interp):
+    def __call__(self, x: np.typing.ArrayLike, _hist: Hist) -> Any:
+        return np.interp(x, _hist.axes[0].centers, _hist.values())  # type: ignore