#!/usr/bin/perl

print <<'EOD';

/********************************************************************

 *                                                                  *

 * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE.   *

 * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *

 * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *

 * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *

 *                                                                  *

 * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007             *

 * by the Xiph.Org Foundation http://www.xiph.org/                  *

 *                                                                  *

 ********************************************************************

  function: lookup data; generated by lookups.pl; edit there

  last mod: $Id: lookups.pl 13293 2007-07-24 00:09:47Z xiphmont $

 ********************************************************************/

#ifndef _V_LOOKUP_DATA_H_

#ifdef FLOAT_LOOKUP

EOD

$cos_sz=128;

$invsq_sz=32;

$invsq2exp_min=-32;

$invsq2exp_max=32;

$fromdB_sz=35;

$fromdB_shift=5;

$fromdB2_shift=3;

$invsq_i_shift=10;

$cos_i_shift=9;

$delta_shift=6;

print "#define COS_LOOKUP_SZ $cos_sz\n";

print "static float COS_LOOKUP[COS_LOOKUP_SZ+1]={\n";

for($i=0;$i<=$cos_sz;){

    print "\t";

    for($j=0;$j<4 && $i<=$cos_sz;$j++){

	printf "%+.13f,", cos(3.14159265358979323846*($i++)/$cos_sz) ;

    }

    print "\n";

}

print "};\n\n";

print "#define INVSQ_LOOKUP_SZ $invsq_sz\n";

print "static float INVSQ_LOOKUP[INVSQ_LOOKUP_SZ+1]={\n";

for($i=0;$i<=$invsq_sz;){

    print "\t";

    for($j=0;$j<4 && $i<=$invsq_sz;$j++){

	my$indexmap=$i++/$invsq_sz*.5+.5;

	printf "%.12f,", 1./sqrt($indexmap);

    }

    print "\n";

}

print "};\n\n";

print "#define INVSQ2EXP_LOOKUP_MIN $invsq2exp_min\n";

print "#define INVSQ2EXP_LOOKUP_MAX $invsq2exp_max\n";

print "static float INVSQ2EXP_LOOKUP[INVSQ2EXP_LOOKUP_MAX-\\\n".

      "                              INVSQ2EXP_LOOKUP_MIN+1]={\n";

for($i=$invsq2exp_min;$i<=$invsq2exp_max;){

    print "\t";

    for($j=0;$j<4 && $i<=$invsq2exp_max;$j++){

	printf "%15.10g,", 2**($i++*-.5);

    }

    print "\n";

}

print "};\n\n#endif\n\n";

# 0 to -140 dB

$fromdB2_sz=1<<$fromdB_shift;

$fromdB_gran=1<<($fromdB_shift-$fromdB2_shift);

print "#define FROMdB_LOOKUP_SZ $fromdB_sz\n";

print "#define FROMdB2_LOOKUP_SZ $fromdB2_sz\n";

print "#define FROMdB_SHIFT $fromdB_shift\n";

print "#define FROMdB2_SHIFT $fromdB2_shift\n";

print "#define FROMdB2_MASK ".((1<<$fromdB_shift)-1)."\n";

print "static float FROMdB_LOOKUP[FROMdB_LOOKUP_SZ]={\n";

for($i=0;$i<$fromdB_sz;){

    print "\t";

    for($j=0;$j<4 && $i<$fromdB_sz;$j++){

	printf "%15.10g,", 10**(.05*(-$fromdB_gran*$i++));

    }

    print "\n";

}

print "};\n\n";

print "static float FROMdB2_LOOKUP[FROMdB2_LOOKUP_SZ]={\n";

for($i=0;$i<$fromdB2_sz;){

    print "\t";

    for($j=0;$j<4 && $i<$fromdB_sz;$j++){

	printf "%15.10g,", 10**(.05*(-$fromdB_gran/$fromdB2_sz*(.5+$i++)));

    }

    print "\n";

}

print "};\n\n#ifdef INT_LOOKUP\n\n";

$iisz=0x10000>>$invsq_i_shift;

print "#define INVSQ_LOOKUP_I_SHIFT $invsq_i_shift\n";

print "#define INVSQ_LOOKUP_I_MASK ".(0x0ffff>>(16-$invsq_i_shift))."\n";

print "static long INVSQ_LOOKUP_I[$iisz+1]={\n";

for($i=0;$i<=$iisz;){

    print "\t";

    for($j=0;$j<4 && $i<=$iisz;$j++){

	my$indexmap=$i++/$iisz*.5+.5;

	printf "%8d,", int(1./sqrt($indexmap)*65536.+.5);

    }

    print "\n";

}

print "};\n\n";

$cisz=0x10000>>$cos_i_shift;

print "#define COS_LOOKUP_I_SHIFT $cos_i_shift\n";

print "#define COS_LOOKUP_I_MASK ".(0x0ffff>>(16-$cos_i_shift))."\n";

print "#define COS_LOOKUP_I_SZ $cisz\n";

print "static long COS_LOOKUP_I[COS_LOOKUP_I_SZ+1]={\n";

for($i=0;$i<=$cisz;){

    print "\t";

    for($j=0;$j<4 && $i<=$cisz;$j++){

	printf "%8d,", int(cos(3.14159265358979323846*($i++)/$cos_sz)*16384.+.5) ;

    }

    print "\n";

}

print "};\n\n";

print "#endif\n\n#endif\n";