From ba713dede4178b8d4981482e6c71dbb4dc688b3e Mon Sep 17 00:00:00 2001
From: zm711 <92116279+zm711@users.noreply.github.com>
Date: Fri, 20 Oct 2023 09:38:50 -0400
Subject: [PATCH 1/2] np.math is deprecated call to math

---
 neo/rawio/blackrockrawio.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/neo/rawio/blackrockrawio.py b/neo/rawio/blackrockrawio.py
index d0b6b2d77..5602e3e99 100644
--- a/neo/rawio/blackrockrawio.py
+++ b/neo/rawio/blackrockrawio.py
@@ -646,7 +646,7 @@ def _get_timestamp_slice(self, timestamp, seg_index, t_start, t_stop):
         if t_start is None:
             ind_start = None
         else:
-            ts = np.math.ceil(t_start * self.__nev_basic_header['timestamp_resolution'])
+            ts = int(np.ceil(t_start * self.__nev_basic_header['timestamp_resolution']))
             ind_start = np.searchsorted(timestamp, ts)
 
         if t_stop is None:

From c1894a5c0853705b98497babdd6071c1ce404a7f Mon Sep 17 00:00:00 2001
From: Zach McKenzie <92116279+zm711@users.noreply.github.com>
Date: Sat, 9 Dec 2023 09:33:14 -0500
Subject: [PATCH 2/2] use math.ceil

---
 neo/rawio/blackrockrawio.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/neo/rawio/blackrockrawio.py b/neo/rawio/blackrockrawio.py
index 5602e3e99..1fc01ae91 100644
--- a/neo/rawio/blackrockrawio.py
+++ b/neo/rawio/blackrockrawio.py
@@ -61,6 +61,7 @@
 import os
 import re
 import warnings
+import math
 
 import numpy as np
 import quantities as pq
@@ -646,7 +647,7 @@ def _get_timestamp_slice(self, timestamp, seg_index, t_start, t_stop):
         if t_start is None:
             ind_start = None
         else:
-            ts = int(np.ceil(t_start * self.__nev_basic_header['timestamp_resolution']))
+            ts = math.ceil(t_start * self.__nev_basic_header['timestamp_resolution'])
             ind_start = np.searchsorted(timestamp, ts)
 
         if t_stop is None: