/*
* Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
#include "jni.h"
#include "AlphaMath.h"
JNIEXPORT unsigned char mul8table[256][256];
JNIEXPORT unsigned char div8table[256][256];
void initAlphaTables()
{
unsigned int i;
unsigned int j;
for (i = 1; i < 256; i++) { /* SCALE == (1 << 24) */
unsigned int inc = (i << 16) + (i<<8) + i; /* approx. SCALE * (i/255.0) */
unsigned int val = inc + (1 << 23); /* inc + SCALE*0.5 */
for (j = 1; j < 256; j++) {
mul8table[i][j] = (val >> 24); /* val / SCALE */
val += inc;
}
}
for (i = 1; i < 256; i++) {
unsigned int inc;
unsigned int val;
inc = 0xff;
inc = ((inc << 24) + i/2) / i;
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