Disabled external gits
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cs440-acg/ext/openexr/OpenEXR/IlmImfTest/testWav.cpp
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cs440-acg/ext/openexr/OpenEXR/IlmImfTest/testWav.cpp
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///////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2002-2012, Industrial Light & Magic, a division of Lucas
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// Digital Ltd. LLC
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Industrial Light & Magic nor the names of
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// its contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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///////////////////////////////////////////////////////////////////////////
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#include <ImfWav.h>
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#include "ImathRandom.h"
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#include <ImfArray.h>
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#include <iostream>
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#include <exception>
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#include <stdlib.h>
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#include <assert.h>
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using namespace OPENEXR_IMF_NAMESPACE;
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using namespace std;
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namespace {
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void
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fill1_14bit (Array2D <unsigned short> &a,
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Array2D <unsigned short> &b,
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int nx,
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int ny,
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IMATH_NAMESPACE::Rand48 & rand48)
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{
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for (int y = 0; y < ny; ++y)
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for (int x = 0; x < nx; ++x)
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a[y][x] = b[y][x] = rand48.nexti() & 0x3fff;
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}
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void
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fill1_16bit (Array2D <unsigned short> &a,
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Array2D <unsigned short> &b,
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int nx,
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int ny,
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IMATH_NAMESPACE::Rand48 & rand48)
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{
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for (int y = 0; y < ny; ++y)
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for (int x = 0; x < nx; ++x)
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a[y][x] = b[y][x] = rand48.nexti() & 0xffff;
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}
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void
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fill2 (Array2D <unsigned short> &a,
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Array2D <unsigned short> &b,
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int nx,
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int ny,
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unsigned short v)
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{
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for (int y = 0; y < ny; ++y)
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for (int x = 0; x < nx; ++x)
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a[y][x] = b[y][x] = v;
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}
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void
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fill3_14bit (Array2D <unsigned short> &a,
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Array2D <unsigned short> &b,
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int nx,
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int ny)
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{
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for (int y = 0; y < ny; ++y)
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for (int x = 0; x < nx; ++x)
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a[y][x] = b[y][x] = (x & 1)? 0: 0x3fff;
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}
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void
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fill3_16bit (Array2D <unsigned short> &a,
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Array2D <unsigned short> &b,
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int nx,
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int ny)
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{
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for (int y = 0; y < ny; ++y)
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for (int x = 0; x < nx; ++x)
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a[y][x] = b[y][x] = (x & 1)? 0: 0xffff;
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}
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void
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fill4_14bit (Array2D <unsigned short> &a,
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Array2D <unsigned short> &b,
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int nx,
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int ny)
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{
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for (int y = 0; y < ny; ++y)
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for (int x = 0; x < nx; ++x)
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a[y][x] = b[y][x] = (y & 1)? 0: 0x3fff;
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}
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void
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fill4_16bit (Array2D <unsigned short> &a,
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Array2D <unsigned short> &b,
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int nx,
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int ny)
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{
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for (int y = 0; y < ny; ++y)
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for (int x = 0; x < nx; ++x)
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a[y][x] = b[y][x] = (y & 1)? 0: 0xffff;
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}
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void
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fill5_14bit (Array2D <unsigned short> &a,
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Array2D <unsigned short> &b,
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int nx,
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int ny)
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{
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for (int y = 0; y < ny; ++y)
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for (int x = 0; x < nx; ++x)
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a[y][x] = b[y][x] = ((x + y) & 1)? 0: 0x3fff;
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}
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void
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fill5_16bit (Array2D <unsigned short> &a,
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Array2D <unsigned short> &b,
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int nx,
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int ny)
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{
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for (int y = 0; y < ny; ++y)
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for (int x = 0; x < nx; ++x)
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a[y][x] = b[y][x] = ((x + y) & 1)? 0: 0xffff;
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}
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unsigned short
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maxValue (const Array2D <unsigned short> &a, int nx, int ny)
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{
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unsigned short mx = 0;
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for (int y = 0; y < ny; ++y)
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for (int x = 0; x < nx; ++x)
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if (mx < a[y][x])
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mx = a[y][x];
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// cout << "max value = " << mx << endl;
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return mx;
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}
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void
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wavEncodeDecode (Array2D <unsigned short> &a,
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const Array2D <unsigned short> &b,
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int nx,
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int ny)
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{
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unsigned short mx = maxValue (a, nx, ny);
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//cout << "encoding " << flush;
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wav2Encode (&a[0][0], nx, 1, ny, nx, mx);
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//cout << "decoding " << flush;
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wav2Decode (&a[0][0], nx, 1, ny, nx, mx);
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//cout << "comparing" << endl;
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for (int y = 0; y < ny; ++y)
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{
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for (int x = 0; x < nx; ++x)
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{
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//cout << x << ' ' << y << ' ' << a[y][x] << ' ' << b[y][x] << endl;
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assert (a[y][x] == b[y][x]);
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}
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}
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}
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void
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test (int nx, int ny)
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{
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cout << nx << " x " << ny << endl;
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Array2D<unsigned short> a (ny, nx);
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Array2D<unsigned short> b (ny, nx);
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IMATH_NAMESPACE::Rand48 rand48 (0);
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fill1_14bit (a, b, nx, ny, rand48);
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wavEncodeDecode (a, b, nx, ny);
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fill1_16bit (a, b, nx, ny, rand48);
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wavEncodeDecode (a, b, nx, ny);
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fill2 (a, b, nx, ny, 0);
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wavEncodeDecode (a, b, nx, ny);
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fill2 (a, b, nx, ny, 1);
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wavEncodeDecode (a, b, nx, ny);
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fill2 (a, b, nx, ny, 0x3ffe);
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wavEncodeDecode (a, b, nx, ny);
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fill2 (a, b, nx, ny, 0x3fff);
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wavEncodeDecode (a, b, nx, ny);
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fill2 (a, b, nx, ny, 0xfffe);
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wavEncodeDecode (a, b, nx, ny);
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fill2 (a, b, nx, ny, 0xffff);
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wavEncodeDecode (a, b, nx, ny);
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fill3_14bit (a, b, nx, ny);
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wavEncodeDecode (a, b, nx, ny);
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fill3_16bit (a, b, nx, ny);
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wavEncodeDecode (a, b, nx, ny);
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fill4_14bit (a, b, nx, ny);
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wavEncodeDecode (a, b, nx, ny);
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fill4_16bit (a, b, nx, ny);
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wavEncodeDecode (a, b, nx, ny);
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fill5_14bit (a, b, nx, ny);
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wavEncodeDecode (a, b, nx, ny);
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fill5_16bit (a, b, nx, ny);
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wavEncodeDecode (a, b, nx, ny);
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}
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} // namespace
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void
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testWav (const std::string&)
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{
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try
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{
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cout << "Testing Wavelet encoder" << endl;
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test (1, 1);
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test (2, 2);
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test (32, 32);
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test (1024, 16);
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test (16, 1024);
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test (997, 37);
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test (37, 997);
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test (1024, 1024);
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test (997, 997);
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cout << "ok\n" << endl;
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}
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catch (const std::exception &e)
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{
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cerr << "ERROR -- caught exception: " << e.what() << endl;
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assert (false);
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}
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}
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