#!/usr/bin/perl

#

print <<EOF

/* This file is autogenerated.  Do not edit. */

/*

 * LIBOIL - Library of Optimized Inner Loops

 * Copyright (c) 2005 David A. Schleef <ds@schleef.org>

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 * 

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR

 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,

 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,

 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING

 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

 * POSSIBILITY OF SUCH DAMAGE.

 */

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

#include <math.h>

#include <liboil/liboil.h>

#include <liboil/liboilclasses.h>

EOF

;

sub binary_pointer

{

	my $kernel = shift;

	my $precision = shift;

	my $type = "oil_type_$precision";

	my $operator = shift;

	print <<EOF

static void

${kernel}_${precision}_pointer (${type} *dest, ${type} *src1, ${type} *src2, int n)

{

  while (n) {

    *dest = *src1 ${operator} *src2;

    dest++;

    src1++;

    src2++;

    n--;

  }

}

OIL_DEFINE_IMPL (${kernel}_${precision}_pointer, ${kernel}_${precision});

EOF

;

}

sub binary_unroll2

{

	my $kernel = shift;

	my $precision = shift;

	my $type = "oil_type_$precision";

	my $operator = shift;

	print <<EOF

static void

${kernel}_${precision}_unroll2 (${type} *dest, ${type} *src1, ${type} *src2, int n)

{

  int i;

  if (n & 1) {

    dest[0] = src1[0] ${operator} src2[0];

    dest++;

    src1++;

    src2++;

    n--;

  }

  for(i=0;i<n;i+=2){

    dest[i] = src1[i] ${operator} src2[i];

    dest[i+1] = src1[i+1] ${operator} src2[i+1];

  }

}

OIL_DEFINE_IMPL (${kernel}_${precision}_unroll2, ${kernel}_${precision});

EOF

;

}

sub binary_unroll4a

{

	my $kernel = shift;

	my $precision = shift;

	my $type = "oil_type_$precision";

	my $operator = shift;

	print <<EOF

static void

${kernel}_${precision}_unroll4a (${type} *dest, ${type} *src1, ${type} *src2, int n)

{

  int i;

  while (n & 3) {

    dest[0] = src1[0] ${operator} src2[0];

    dest++;

    src1++;

    src2++;

    n--;

  }

  for(i=0;i<n;i+=4){

    dest[i] = src1[i] ${operator} src2[i];

    dest[i+1] = src1[i+1] ${operator} src2[i+1];

    dest[i+2] = src1[i+2] ${operator} src2[i+2];

    dest[i+3] = src1[i+3] ${operator} src2[i+3];

  }

}

OIL_DEFINE_IMPL (${kernel}_${precision}_unroll4a, ${kernel}_${precision});

EOF

;

}

sub binary_unroll4b

{

	my $kernel = shift;

	my $precision = shift;

	my $type = "oil_type_$precision";

	my $operator = shift;

	print <<EOF

static void

${kernel}_${precision}_unroll4b (${type} *dest, ${type} *src1, ${type} *src2, int n)

{

  int i;

  for(i=0;i<(n&(~0x3));i+=4){

    dest[i+0] = src1[i+0] ${operator} src2[i+0];

    dest[i+1] = src1[i+1] ${operator} src2[i+1];

    dest[i+2] = src1[i+2] ${operator} src2[i+2];

    dest[i+3] = src1[i+3] ${operator} src2[i+3];

  }

  for(;i<n;i++){

    dest[i] = src1[i] ${operator} src2[i];

  }

}

OIL_DEFINE_IMPL (${kernel}_${precision}_unroll4b, ${kernel}_${precision});

EOF

;

}

sub binary_unroll4c

{

	my $kernel = shift;

	my $precision = shift;

	my $type = "oil_type_$precision";

	my $operator = shift;

	print <<EOF

static void

${kernel}_${precision}_unroll4c (${type} *dest, ${type} *src1, ${type} *src2, int n)

{

  int i;

  for(i=0;i<(n&(~0x3));i+=4){

    *dest++ = *src1++ ${operator} *src2++;

    *dest++ = *src1++ ${operator} *src2++;

    *dest++ = *src1++ ${operator} *src2++;

    *dest++ = *src1++ ${operator} *src2++;

  }

  for(;i<n;i++){

    *dest++ = *src1++ ${operator} *src2++;

  }

}

OIL_DEFINE_IMPL (${kernel}_${precision}_unroll4c, ${kernel}_${precision});

EOF

;

}

my %binary_operators = (

 "add" => "+",

 "subtract" => "-",

 "multiply" => "*",

 "divide" => "/"

);

my @types = ( "f32", "f64" );

while ( ($name, $op) = each %binary_operators ) {

  foreach $prec (@types) {

    binary_pointer($name, $prec, $op);

    binary_unroll2($name, $prec, $op);

    binary_unroll4a($name, $prec, $op);

    binary_unroll4b($name, $prec, $op);

    binary_unroll4c($name, $prec, $op);

  }

}

exit 0;

binary_pointer("subtract", "f32", "-");

binary_unroll2("subtract", "f32", "-");

binary_unroll4a("subtract", "f32", "-");

binary_unroll4b("subtract", "f32", "-");

binary_unroll4c("subtract", "f32", "-");

binary_pointer("add", "f32", "+");

binary_unroll2("add", "f32", "+");

binary_unroll4a("add", "f32", "+");

binary_unroll4b("add", "f32", "+");

binary_unroll4c("add", "f32", "+");

binary_pointer("multiply", "f32", "*");

binary_unroll2("multiply", "f32", "*");

binary_unroll4a("multiply", "f32", "*");

binary_unroll4b("multiply", "f32", "*");

binary_unroll4c("multiply", "f32", "*");

binary_pointer("divide", "f32", "/");

binary_unroll2("divide", "f32", "/");

binary_unroll4a("divide", "f32", "/");

binary_unroll4b("divide", "f32", "/");

binary_unroll4c("divide", "f32", "/");

binary_pointer("subtract", "f64", "-");

binary_unroll2("subtract", "f64", "-");

binary_unroll4a("subtract", "f64", "-");

binary_unroll4b("subtract", "f64", "-");

binary_unroll4c("subtract", "f64", "-");

binary_pointer("add", "f64", "+");

binary_unroll2("add", "f64", "+");

binary_unroll4a("add", "f64", "+");

binary_unroll4b("add", "f64", "+");

binary_unroll4c("add", "f64", "+");

binary_pointer("multiply", "f64", "*");

binary_unroll2("multiply", "f64", "*");

binary_unroll4a("multiply", "f64", "*");

binary_unroll4b("multiply", "f64", "*");

binary_unroll4c("multiply", "f64", "*");

binary_pointer("divide", "f64", "/");

binary_unroll2("divide", "f64", "/");

binary_unroll4a("divide", "f64", "/");

binary_unroll4b("divide", "f64", "/");

binary_unroll4c("divide", "f64", "/");

$blah = "

static void

subtract_f32_ref (float *dest, float *src1, float *src2, int n)

{

  int i;

  for(i=0;i<n;i++){

    dest[i] = src1[i] - src2[i];

  }

}

OIL_DEFINE_IMPL (subtract_f32_ref, subtract_f32);

static void

multiply_f32_ref (float *dest, float *src1, float *src2, int n)

{

  int i;

  for(i=0;i<n;i++){

    dest[i] = src1[i] * src2[i];

  }

}

OIL_DEFINE_IMPL (multiply_f32_ref, multiply_f32);

static void

divide_f32_ref (float *dest, float *src1, float *src2, int n)

{

  int i;

  for(i=0;i<n;i++){

    dest[i] = src1[i] / src2[i];

  }

}

OIL_DEFINE_IMPL_REF (divide_f32_ref, divide_f32);

static void

minimum_f32_ref (float *dest, float *src1, float *src2, int n)

{

  int i;

  for(i=0;i<n;i++){

    dest[i] = (src1[i] < src2[i]) ? src1[i] : src2[i];

  }

}

OIL_DEFINE_IMPL_REF (minimum_f32_ref, minimum_f32);

static void

maximum_f32_ref (float *dest, float *src1, float *src2, int n)

{

  int i;

  for(i=0;i<n;i++){

    dest[i] = (src1[i] > src2[i]) ? src1[i] : src2[i];

  }

}

OIL_DEFINE_IMPL_REF (maximum_f32_ref, maximum_f32);

static void

negative_f32_ref (float *dest, float *src1, int n)

{

  int i;

  for(i=0;i<n;i++){

    dest[i] = -src1[i];

  }

}

OIL_DEFINE_IMPL_REF (negative_f32_ref, negative_f32);

static void

inverse_f32_ref (float *dest, float *src1, int n)

{

  int i;

  for(i=0;i<n;i++){

    dest[i] = 1.0/src1[i];

  }

}

OIL_DEFINE_IMPL_REF (inverse_f32_ref, inverse_f32);

static void

sign_f32_ref (float *dest, float *src1, int n)

{

  int i;

  for(i=0;i<n;i++){

    dest[i] = (src1[i] < 0) ? -src1[i] : src1[i];

  }

}

OIL_DEFINE_IMPL_REF (sign_f32_ref, sign_f32);

static void

floor_f32_ref (float *dest, float *src1, int n)

{

  int i;

  for(i=0;i<n;i++){

    dest[i] = floor(src1[i]);

  }

}

OIL_DEFINE_IMPL_REF (floor_f32_ref, floor_f32);

static void

scalaradd_f32_ns_ref (float *dest, float *src1, float *src2, int n)

{

  int i;

  for(i=0;i<n;i++){

    dest[i] = src1[i] + src2[0];

  }

}

OIL_DEFINE_IMPL_REF (scalaradd_f32_ns_ref, scalaradd_f32_ns);

static void

scalarmultiply_f32_ns_ref (float *dest, float *src1, float *src2, int n)

{

  int i;

  for(i=0;i<n;i++){

    dest[i] = src1[i] * src2[0];

  }

}

OIL_DEFINE_IMPL_REF (scalarmultiply_f32_ns_ref, scalarmultiply_f32_ns);

";