From 4abab5ad6c8465a7528ccdd5f49367da05f78bbd Mon Sep 17 00:00:00 2001
From: Vladimir Azarov <avm@intermediate-node.net>
Date: Tue, 1 Oct 2024 15:47:05 +0200
Subject: Initial version

---
 src/math/log2_data.h | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 src/math/log2_data.h

(limited to 'src/math/log2_data.h')

diff --git a/src/math/log2_data.h b/src/math/log2_data.h
new file mode 100644
index 0000000..276a786
--- /dev/null
+++ b/src/math/log2_data.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2018, Arm Limited.
+ * SPDX-License-Identifier: MIT
+ */
+#ifndef _LOG2_DATA_H
+#define _LOG2_DATA_H
+
+#include <features.h>
+
+#define LOG2_TABLE_BITS 6
+#define LOG2_POLY_ORDER 7
+#define LOG2_POLY1_ORDER 11
+extern hidden const struct log2_data {
+	double invln2hi;
+	double invln2lo;
+	double poly[LOG2_POLY_ORDER - 1];
+	double poly1[LOG2_POLY1_ORDER - 1];
+	struct {
+		double invc, logc;
+	} tab[1 << LOG2_TABLE_BITS];
+#if !__FP_FAST_FMA
+	struct {
+		double chi, clo;
+	} tab2[1 << LOG2_TABLE_BITS];
+#endif
+} __log2_data;
+
+#endif
-- 
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