1 files changed, 0 insertions, 96 deletions
diff --git a/arm-wt-22k/lib_src/eas_flog.c b/arm-wt-22k/lib_src/eas_flog.c
deleted file mode 100644
index 647da2f..0000000
--- a/arm-wt-22k/lib_src/eas_flog.c
+++ /dev/null
@@ -1,96 +0,0 @@
-/*----------------------------------------------------------------------------
- *
- * File: 
- * eas_flog2.c
- *
- * Contents and purpose:
- * Fixed point square root
- *
- *
- * Copyright (c) 2006 Sonic Network Inc.
-
- * 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.
- *
- *----------------------------------------------------------------------------
- * Revision Control:
- *   $Revision$
- *   $Date$
- *----------------------------------------------------------------------------
-*/
-
-#include "eas_types.h"
-#include "eas_math.h"
-
-#define MANTISSA_SHIFT			27
-#define MANTISSA_MASK			0x0000000f
-#define MANTISSA_LSB_SHIFT		7
-#define MANTISSA_LSB_MASK		0x000fffff
-#define LOG_EXPONENT_SHIFT		10
-#define INTERPOLATION_SHIFT		20
-#define MAX_NEGATIVE			(-2147483647-1)
-
-/* log lookup table */
-static const EAS_U16 eas_log2_table[] = 
-{
-	0, 90, 174, 254, 330, 402, 470, 536,
-	599, 659, 717, 773, 827, 879, 929, 977,
-	1024
-};
-
-/*----------------------------------------------------------------------------
- * EAS_flog2()
- *----------------------------------------------------------------------------
- * Purpose: 
- * Calculates the log2 of a 32-bit fixed point value
- *
- * Inputs:
- * n = value of interest
- *		
- * Outputs:
- * returns the log2 of n
- *
- *----------------------------------------------------------------------------
-*/
-EAS_I32 EAS_flog2 (EAS_U32 n)
-{
-	EAS_U32 exp;
-	EAS_U32 interp;
-
-	/* check for error condition */
-	if (n == 0)
-		return MAX_NEGATIVE;
-
-	/* find exponent */
-	for (exp = 31; exp > 0; exp--)
-	{
-		/* shift until we get a 1 bit in bit 31 */
-		if ((n & (EAS_U32) MAX_NEGATIVE) != 0)
-			break;
-		n <<= 1;
-	}
-	/*lint -e{701} use shift for performance */
-	exp <<= LOG_EXPONENT_SHIFT;
-
-	/* get the least significant bits for interpolation */
-	interp = (n >> MANTISSA_LSB_SHIFT) & MANTISSA_LSB_MASK;
-
-	/* get the most significant bits for mantissa lookup */
-	n = (n >> MANTISSA_SHIFT) & MANTISSA_MASK;
-
-	/* interpolate mantissa */
-	interp = ((eas_log2_table[n+1] - eas_log2_table[n]) * interp) >> INTERPOLATION_SHIFT;
-	exp += eas_log2_table[n] + interp;
-
-	return (EAS_I32) exp;
-}
-