Import of the watch repository from Pebble

tools/generate_trig_table.py

@@ -0,0 +1,35 @@
+#!/usr/bin/env python
+# Copyright 2024 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+import math
+
+def print_sin_table():
+    print "{"
+    for a in xrange(0, 0xffff + 1, 0xff):
+        print str(int(round(math.sin(a*math.pi/0xffff/2.0) * 0xffff))) + ','
+    print '}'
+
+def print_atan_table():
+    print '{'
+    for a in xrange(0, 0xffff + 1, 0xff):
+        b = float(a) / float(0xffff)
+        print str(int(round(math.atan(b) * 0x8000 / math.pi))*8) + ','
+    print '}'
+
+print_sin_table()
+print_atan_table()
+
+