From 970ea94512d5eddf2dca62d6147db5899fd81814 Mon Sep 17 00:00:00 2001
From: Wolfgang Kastaun <wolfgang.kastaun@aei.mpg.de>
Date: Thu, 30 Jan 2025 12:13:38 +0100
Subject: [PATCH] Add parameter check to ShiftInverseNumpy
---
lisainstrument/shift_inversion_numpy.py | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/lisainstrument/shift_inversion_numpy.py b/lisainstrument/shift_inversion_numpy.py
index 30dcd2f..57ad25c 100644
--- a/lisainstrument/shift_inversion_numpy.py
+++ b/lisainstrument/shift_inversion_numpy.py
@@ -79,6 +79,11 @@ class ShiftInverseNumpy: # pylint: disable=too-few-public-methods
tolerance: Maximum absolute error of result
"""
self._max_abs_shift: Final = int(np.ceil(max_abs_shift))
+
+ if self._max_abs_shift < 0:
+ msg = f"ShiftInverseNumpy: max_abs_shift must be positive, got {max_abs_shift}"
+ raise ValueError(msg)
+
self._interp_np: Final = interp
self._max_iter = int(max_iter)
self._tolerance = float(tolerance)
--
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