1 files changed, 22 insertions, 0 deletions
diff --git a/src/math/pow_data.h b/src/math/pow_data.h
new file mode 100644
index 00000000..5d609ae8
--- /dev/null
+++ b/src/math/pow_data.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2018, Arm Limited.
+ * SPDX-License-Identifier: MIT
+ */
+#ifndef _POW_DATA_H
+#define _POW_DATA_H
+
+#include <features.h>
+
+#define POW_LOG_TABLE_BITS 7
+#define POW_LOG_POLY_ORDER 8
+extern hidden const struct pow_log_data {
+	double ln2hi;
+	double ln2lo;
+	double poly[POW_LOG_POLY_ORDER - 1]; /* First coefficient is 1.  */
+	/* Note: the pad field is unused, but allows slightly faster indexing.  */
+	struct {
+		double invc, pad, logc, logctail;
+	} tab[1 << POW_LOG_TABLE_BITS];
+} __pow_log_data;
+
+#endif