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The following commit(s) were added to refs/heads/tdigest-cpp by this push:
new fbe5c8f standard deviation constants
fbe5c8f is described below
commit fbe5c8fd7e14be6b8e5abe583048e18fa44b2019
Author: AlexanderSaydakov <[email protected]>
AuthorDate: Tue Oct 22 18:57:20 2024 -0700
standard deviation constants
---
cpp/src/stddev.hpp | 34 ++++++++++++++++++++++++++++++++++
1 file changed, 34 insertions(+)
diff --git a/cpp/src/stddev.hpp b/cpp/src/stddev.hpp
new file mode 100644
index 0000000..c5bf7bd
--- /dev/null
+++ b/cpp/src/stddev.hpp
@@ -0,0 +1,34 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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.
+ */
+
+#ifndef STDDEV_HPP_
+#define STDDEV_HPP_
+
+namespace datasketches {
+
+const double M3SD = 0.0013498980316301; //minus 3 StdDev
+const double M2SD = 0.0227501319481792; //minus 2 StdDev
+const double M1SD = 0.1586552539314570; //minus 1 StdDev
+const double P1SD = 0.8413447460685430; //plus 1 StdDev
+const double P2SD = 0.9772498680518210; //plus 2 StdDev
+const double P3SD = 0.9986501019683700; //plus 3 StdDev
+
+}
+
+#endif
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