From 703fbf50315e21923933c440c8eaf44c9ee2d3ef Mon Sep 17 00:00:00 2001
From: "J.A. de Jong - ASCEE" <j.a.dejong@ascee.nl>
Date: Thu, 9 Jan 2020 11:20:25 +0100
Subject: [PATCH] Rudimentary overflow checker implemented

---
 lasp/lasp_measurement.py | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/lasp/lasp_measurement.py b/lasp/lasp_measurement.py
index 22c220d..96d8c36 100644
--- a/lasp/lasp_measurement.py
+++ b/lasp/lasp_measurement.py
@@ -315,6 +315,31 @@ class Measurement:
         """
         return self._sens
 
+    def checkOverflow(self):
+        """
+        Coarse check for overflow in measurement
+
+        Return:
+            True if overflow is possible, else False
+
+        """
+
+        with self.file() as f:
+            for block in self.iterBlocks(f):
+                dtype = block.dtype
+                print(dtype)
+                if dtype.kind == 'i':
+                    # if dtype in ['
+                    # minvalue = np.iinfo(dtype).min
+                    maxvalue = np.iinfo(dtype).max
+                    if np.max(np.abs(block)) > maxvalue / 2:
+                        return True
+                else:
+                    # Cannot check for floating point values.
+                    return False
+            return False
+
+
     @sensitivity.setter
     def sensitivity(self, sens):
         """