llvm-gcc-4.2/libgfortran/generated/minval_i1.c - llvm-archive - Git at Google

 /* Implementation of the MINVAL intrinsic
    Copyright 2002 Free Software Foundation, Inc.
    Contributed by Paul Brook <paul@nowt.org>

 This file is part of the GNU Fortran 95 runtime library (libgfortran).

 Libgfortran is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public
 License as published by the Free Software Foundation; either
 version 2 of the License, or (at your option) any later version.

 In addition to the permissions in the GNU General Public License, the
 Free Software Foundation gives you unlimited permission to link the
 compiled version of this file into combinations with other programs,
 and to distribute those combinations without any restriction coming
 from the use of this file.  (The General Public License restrictions
 do apply in other respects; for example, they cover modification of
 the file, and distribution when not linked into a combine
 executable.)

 Libgfortran 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 for more details.

 You should have received a copy of the GNU General Public
 License along with libgfortran; see the file COPYING.  If not,
 write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 Boston, MA 02110-1301, USA.  */

 #include "config.h"
 #include <stdlib.h>
 #include <assert.h>
 #include <float.h>
 #include "libgfortran.h"


 #if defined (HAVE_GFC_INTEGER_1) && defined (HAVE_GFC_INTEGER_1)


 extern void minval_i1 (gfc_array_i1 * const restrict,
 	gfc_array_i1 * const restrict, const index_type * const restrict);
 export_proto(minval_i1);

 void
 minval_i1 (gfc_array_i1 * const restrict retarray,
 	gfc_array_i1 * const restrict array,
 	const index_type * const restrict pdim)
 {
   index_type count[GFC_MAX_DIMENSIONS];
   index_type extent[GFC_MAX_DIMENSIONS];
   index_type sstride[GFC_MAX_DIMENSIONS];
   index_type dstride[GFC_MAX_DIMENSIONS];
   const GFC_INTEGER_1 * restrict base;
   GFC_INTEGER_1 * restrict dest;
   index_type rank;
   index_type n;
   index_type len;
   index_type delta;
   index_type dim;

   /* Make dim zero based to avoid confusion.  */
   dim = (*pdim) - 1;
   rank = GFC_DESCRIPTOR_RANK (array) - 1;

   len = array->dim[dim].ubound + 1 - array->dim[dim].lbound;
   delta = array->dim[dim].stride;

   for (n = 0; n < dim; n++)
     {
       sstride[n] = array->dim[n].stride;
       extent[n] = array->dim[n].ubound + 1 - array->dim[n].lbound;

       if (extent[n] < 0)
 	extent[n] = 0;
     }
   for (n = dim; n < rank; n++)
     {
       sstride[n] = array->dim[n + 1].stride;
       extent[n] =
         array->dim[n + 1].ubound + 1 - array->dim[n + 1].lbound;

       if (extent[n] < 0)
 	extent[n] = 0;
     }

   if (retarray->data == NULL)
     {
       size_t alloc_size;

       for (n = 0; n < rank; n++)
         {
           retarray->dim[n].lbound = 0;
           retarray->dim[n].ubound = extent[n]-1;
           if (n == 0)
             retarray->dim[n].stride = 1;
           else
             retarray->dim[n].stride = retarray->dim[n-1].stride * extent[n-1];
         }

       retarray->offset = 0;
       retarray->dtype = (array->dtype & ~GFC_DTYPE_RANK_MASK) | rank;

       alloc_size = sizeof (GFC_INTEGER_1) * retarray->dim[rank-1].stride
     		   * extent[rank-1];

       if (alloc_size == 0)
 	{
 	  /* Make sure we have a zero-sized array.  */
 	  retarray->dim[0].lbound = 0;
 	  retarray->dim[0].ubound = -1;
 	  return;
 	}
       else
 	retarray->data = internal_malloc_size (alloc_size);
     }
   else
     {
       if (rank != GFC_DESCRIPTOR_RANK (retarray))
 	runtime_error ("rank of return array incorrect");
     }

   for (n = 0; n < rank; n++)
     {
       count[n] = 0;
       dstride[n] = retarray->dim[n].stride;
       if (extent[n] <= 0)
         len = 0;
     }

   base = array->data;
   dest = retarray->data;

   while (base)
     {
       const GFC_INTEGER_1 * restrict src;
       GFC_INTEGER_1 result;
       src = base;
       {

   result = GFC_INTEGER_1_HUGE;
         if (len <= 0)
 	  *dest = GFC_INTEGER_1_HUGE;
 	else
 	  {
 	    for (n = 0; n < len; n++, src += delta)
 	      {

   if (*src < result)
     result = *src;
           }
 	    *dest = result;
 	  }
       }
       /* Advance to the next element.  */
       count[0]++;
       base += sstride[0];
       dest += dstride[0];
       n = 0;
       while (count[n] == extent[n])
         {
           /* When we get to the end of a dimension, reset it and increment
              the next dimension.  */
           count[n] = 0;
           /* We could precalculate these products, but this is a less
              frequently used path so probably not worth it.  */
           base -= sstride[n] * extent[n];
           dest -= dstride[n] * extent[n];
           n++;
           if (n == rank)
             {
               /* Break out of the look.  */
               base = NULL;
               break;
             }
           else
             {
               count[n]++;
               base += sstride[n];
               dest += dstride[n];
             }
         }
     }
 }


 extern void mminval_i1 (gfc_array_i1 * const restrict,
 	gfc_array_i1 * const restrict, const index_type * const restrict,
 	gfc_array_l4 * const restrict);
 export_proto(mminval_i1);

 void
 mminval_i1 (gfc_array_i1 * const restrict retarray,
 	gfc_array_i1 * const restrict array,
 	const index_type * const restrict pdim,
 	gfc_array_l4 * const restrict mask)
 {
   index_type count[GFC_MAX_DIMENSIONS];
   index_type extent[GFC_MAX_DIMENSIONS];
   index_type sstride[GFC_MAX_DIMENSIONS];
   index_type dstride[GFC_MAX_DIMENSIONS];
   index_type mstride[GFC_MAX_DIMENSIONS];
   GFC_INTEGER_1 * restrict dest;
   const GFC_INTEGER_1 * restrict base;
   const GFC_LOGICAL_4 * restrict mbase;
   int rank;
   int dim;
   index_type n;
   index_type len;
   index_type delta;
   index_type mdelta;

   dim = (*pdim) - 1;
   rank = GFC_DESCRIPTOR_RANK (array) - 1;

   len = array->dim[dim].ubound + 1 - array->dim[dim].lbound;
   if (len <= 0)
     return;
   delta = array->dim[dim].stride;
   mdelta = mask->dim[dim].stride;

   for (n = 0; n < dim; n++)
     {
       sstride[n] = array->dim[n].stride;
       mstride[n] = mask->dim[n].stride;
       extent[n] = array->dim[n].ubound + 1 - array->dim[n].lbound;

       if (extent[n] < 0)
 	extent[n] = 0;

     }
   for (n = dim; n < rank; n++)
     {
       sstride[n] = array->dim[n + 1].stride;
       mstride[n] = mask->dim[n + 1].stride;
       extent[n] =
         array->dim[n + 1].ubound + 1 - array->dim[n + 1].lbound;

       if (extent[n] < 0)
 	extent[n] = 0;
     }

   if (retarray->data == NULL)
     {
       size_t alloc_size;

       for (n = 0; n < rank; n++)
         {
           retarray->dim[n].lbound = 0;
           retarray->dim[n].ubound = extent[n]-1;
           if (n == 0)
             retarray->dim[n].stride = 1;
           else
             retarray->dim[n].stride = retarray->dim[n-1].stride * extent[n-1];
         }

       alloc_size = sizeof (GFC_INTEGER_1) * retarray->dim[rank-1].stride
     		   * extent[rank-1];

       retarray->offset = 0;
       retarray->dtype = (array->dtype & ~GFC_DTYPE_RANK_MASK) | rank;

       if (alloc_size == 0)
 	{
 	  /* Make sure we have a zero-sized array.  */
 	  retarray->dim[0].lbound = 0;
 	  retarray->dim[0].ubound = -1;
 	  return;
 	}
       else
 	retarray->data = internal_malloc_size (alloc_size);

     }
   else
     {
       if (rank != GFC_DESCRIPTOR_RANK (retarray))
 	runtime_error ("rank of return array incorrect");
     }

   for (n = 0; n < rank; n++)
     {
       count[n] = 0;
       dstride[n] = retarray->dim[n].stride;
       if (extent[n] <= 0)
         return;
     }

   dest = retarray->data;
   base = array->data;
   mbase = mask->data;

   if (GFC_DESCRIPTOR_SIZE (mask) != 4)
     {
       /* This allows the same loop to be used for all logical types.  */
       assert (GFC_DESCRIPTOR_SIZE (mask) == 8);
       for (n = 0; n < rank; n++)
         mstride[n] <<= 1;
       mdelta <<= 1;
       mbase = (GFOR_POINTER_L8_TO_L4 (mbase));
     }

   while (base)
     {
       const GFC_INTEGER_1 * restrict src;
       const GFC_LOGICAL_4 * restrict msrc;
       GFC_INTEGER_1 result;
       src = base;
       msrc = mbase;
       {

   result = GFC_INTEGER_1_HUGE;
         if (len <= 0)
 	  *dest = GFC_INTEGER_1_HUGE;
 	else
 	  {
 	    for (n = 0; n < len; n++, src += delta, msrc += mdelta)
 	      {

   if (*msrc && *src < result)
     result = *src;
               }
 	    *dest = result;
 	  }
       }
       /* Advance to the next element.  */
       count[0]++;
       base += sstride[0];
       mbase += mstride[0];
       dest += dstride[0];
       n = 0;
       while (count[n] == extent[n])
         {
           /* When we get to the end of a dimension, reset it and increment
              the next dimension.  */
           count[n] = 0;
           /* We could precalculate these products, but this is a less
              frequently used path so probably not worth it.  */
           base -= sstride[n] * extent[n];
           mbase -= mstride[n] * extent[n];
           dest -= dstride[n] * extent[n];
           n++;
           if (n == rank)
             {
               /* Break out of the look.  */
               base = NULL;
               break;
             }
           else
             {
               count[n]++;
               base += sstride[n];
               mbase += mstride[n];
               dest += dstride[n];
             }
         }
     }
 }


 extern void sminval_i1 (gfc_array_i1 * const restrict,
 	gfc_array_i1 * const restrict, const index_type * const restrict,
 	GFC_LOGICAL_4 *);
 export_proto(sminval_i1);

 void
 sminval_i1 (gfc_array_i1 * const restrict retarray,
 	gfc_array_i1 * const restrict array,
 	const index_type * const restrict pdim,
 	GFC_LOGICAL_4 * mask)
 {
   index_type rank;
   index_type n;
   index_type dstride;
   GFC_INTEGER_1 *dest;

   if (*mask)
     {
       minval_i1 (retarray, array, pdim);
       return;
     }
     rank = GFC_DESCRIPTOR_RANK (array);
   if (rank <= 0)
     runtime_error ("Rank of array needs to be > 0");

   if (retarray->data == NULL)
     {
       retarray->dim[0].lbound = 0;
       retarray->dim[0].ubound = rank-1;
       retarray->dim[0].stride = 1;
       retarray->dtype = (retarray->dtype & ~GFC_DTYPE_RANK_MASK) | 1;
       retarray->offset = 0;
       retarray->data = internal_malloc_size (sizeof (GFC_INTEGER_1) * rank);
     }
   else
     {
       if (GFC_DESCRIPTOR_RANK (retarray) != 1)
 	runtime_error ("rank of return array does not equal 1");

       if (retarray->dim[0].ubound + 1 - retarray->dim[0].lbound != rank)
         runtime_error ("dimension of return array incorrect");
     }

     dstride = retarray->dim[0].stride;
     dest = retarray->data;

     for (n = 0; n < rank; n++)
       dest[n * dstride] = GFC_INTEGER_1_HUGE ;
 }

 #endif
	/* Implementation of the MINVAL intrinsic
	Copyright 2002 Free Software Foundation, Inc.
	Contributed by Paul Brook <paul@nowt.org>

	This file is part of the GNU Fortran 95 runtime library (libgfortran).

	Libgfortran is free software; you can redistribute it and/or
	modify it under the terms of the GNU General Public
	License as published by the Free Software Foundation; either
	version 2 of the License, or (at your option) any later version.

	In addition to the permissions in the GNU General Public License, the
	Free Software Foundation gives you unlimited permission to link the
	compiled version of this file into combinations with other programs,
	and to distribute those combinations without any restriction coming
	from the use of this file. (The General Public License restrictions
	do apply in other respects; for example, they cover modification of
	the file, and distribution when not linked into a combine
	executable.)

	Libgfortran 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 for more details.

	You should have received a copy of the GNU General Public
	License along with libgfortran; see the file COPYING. If not,
	write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
	Boston, MA 02110-1301, USA. */

	#include "config.h"
	#include <stdlib.h>
	#include <assert.h>
	#include <float.h>
	#include "libgfortran.h"


	#if defined (HAVE_GFC_INTEGER_1) && defined (HAVE_GFC_INTEGER_1)


	extern void minval_i1 (gfc_array_i1 * const restrict,
	gfc_array_i1 * const restrict, const index_type * const restrict);
	export_proto(minval_i1);

	void
	minval_i1 (gfc_array_i1 * const restrict retarray,
	gfc_array_i1 * const restrict array,
	const index_type * const restrict pdim)
	{
	index_type count[GFC_MAX_DIMENSIONS];
	index_type extent[GFC_MAX_DIMENSIONS];
	index_type sstride[GFC_MAX_DIMENSIONS];
	index_type dstride[GFC_MAX_DIMENSIONS];
	const GFC_INTEGER_1 * restrict base;
	GFC_INTEGER_1 * restrict dest;
	index_type rank;
	index_type n;
	index_type len;
	index_type delta;
	index_type dim;

	/* Make dim zero based to avoid confusion. */
	dim = (*pdim) - 1;
	rank = GFC_DESCRIPTOR_RANK (array) - 1;

	len = array->dim[dim].ubound + 1 - array->dim[dim].lbound;
	delta = array->dim[dim].stride;

	for (n = 0; n < dim; n++)
	{
	sstride[n] = array->dim[n].stride;
	extent[n] = array->dim[n].ubound + 1 - array->dim[n].lbound;

	if (extent[n] < 0)
	extent[n] = 0;
	}
	for (n = dim; n < rank; n++)
	{
	sstride[n] = array->dim[n + 1].stride;
	extent[n] =
	array->dim[n + 1].ubound + 1 - array->dim[n + 1].lbound;

	if (extent[n] < 0)
	extent[n] = 0;
	}

	if (retarray->data == NULL)
	{
	size_t alloc_size;

	for (n = 0; n < rank; n++)
	{
	retarray->dim[n].lbound = 0;
	retarray->dim[n].ubound = extent[n]-1;
	if (n == 0)
	retarray->dim[n].stride = 1;
	else
	retarray->dim[n].stride = retarray->dim[n-1].stride * extent[n-1];
	}

	retarray->offset = 0;
	retarray->dtype = (array->dtype & ~GFC_DTYPE_RANK_MASK) \| rank;

	alloc_size = sizeof (GFC_INTEGER_1) * retarray->dim[rank-1].stride
	* extent[rank-1];

	if (alloc_size == 0)
	{
	/* Make sure we have a zero-sized array. */
	retarray->dim[0].lbound = 0;
	retarray->dim[0].ubound = -1;
	return;
	}
	else
	retarray->data = internal_malloc_size (alloc_size);
	}
	else
	{
	if (rank != GFC_DESCRIPTOR_RANK (retarray))
	runtime_error ("rank of return array incorrect");
	}

	for (n = 0; n < rank; n++)
	{
	count[n] = 0;
	dstride[n] = retarray->dim[n].stride;
	if (extent[n] <= 0)
	len = 0;
	}

	base = array->data;
	dest = retarray->data;

	while (base)
	{
	const GFC_INTEGER_1 * restrict src;
	GFC_INTEGER_1 result;
	src = base;
	{

	result = GFC_INTEGER_1_HUGE;
	if (len <= 0)
	*dest = GFC_INTEGER_1_HUGE;
	else
	{
	for (n = 0; n < len; n++, src += delta)
	{

	if (*src < result)
	result = *src;
	}
	*dest = result;
	}
	}
	/* Advance to the next element. */
	count[0]++;
	base += sstride[0];
	dest += dstride[0];
	n = 0;
	while (count[n] == extent[n])
	{
	/* When we get to the end of a dimension, reset it and increment
	the next dimension. */
	count[n] = 0;
	/* We could precalculate these products, but this is a less
	frequently used path so probably not worth it. */
	base -= sstride[n] * extent[n];
	dest -= dstride[n] * extent[n];
	n++;
	if (n == rank)
	{
	/* Break out of the look. */
	base = NULL;
	break;
	}
	else
	{
	count[n]++;
	base += sstride[n];
	dest += dstride[n];
	}
	}
	}
	}


	extern void mminval_i1 (gfc_array_i1 * const restrict,
	gfc_array_i1 * const restrict, const index_type * const restrict,
	gfc_array_l4 * const restrict);
	export_proto(mminval_i1);

	void
	mminval_i1 (gfc_array_i1 * const restrict retarray,
	gfc_array_i1 * const restrict array,
	const index_type * const restrict pdim,
	gfc_array_l4 * const restrict mask)
	{
	index_type count[GFC_MAX_DIMENSIONS];
	index_type extent[GFC_MAX_DIMENSIONS];
	index_type sstride[GFC_MAX_DIMENSIONS];
	index_type dstride[GFC_MAX_DIMENSIONS];
	index_type mstride[GFC_MAX_DIMENSIONS];
	GFC_INTEGER_1 * restrict dest;
	const GFC_INTEGER_1 * restrict base;
	const GFC_LOGICAL_4 * restrict mbase;
	int rank;
	int dim;
	index_type n;
	index_type len;
	index_type delta;
	index_type mdelta;

	dim = (*pdim) - 1;
	rank = GFC_DESCRIPTOR_RANK (array) - 1;

	len = array->dim[dim].ubound + 1 - array->dim[dim].lbound;
	if (len <= 0)
	return;
	delta = array->dim[dim].stride;
	mdelta = mask->dim[dim].stride;

	for (n = 0; n < dim; n++)
	{
	sstride[n] = array->dim[n].stride;
	mstride[n] = mask->dim[n].stride;
	extent[n] = array->dim[n].ubound + 1 - array->dim[n].lbound;

	if (extent[n] < 0)
	extent[n] = 0;

	}
	for (n = dim; n < rank; n++)
	{
	sstride[n] = array->dim[n + 1].stride;
	mstride[n] = mask->dim[n + 1].stride;
	extent[n] =
	array->dim[n + 1].ubound + 1 - array->dim[n + 1].lbound;

	if (extent[n] < 0)
	extent[n] = 0;
	}

	if (retarray->data == NULL)
	{
	size_t alloc_size;

	for (n = 0; n < rank; n++)
	{
	retarray->dim[n].lbound = 0;
	retarray->dim[n].ubound = extent[n]-1;
	if (n == 0)
	retarray->dim[n].stride = 1;
	else
	retarray->dim[n].stride = retarray->dim[n-1].stride * extent[n-1];
	}

	alloc_size = sizeof (GFC_INTEGER_1) * retarray->dim[rank-1].stride
	* extent[rank-1];

	retarray->offset = 0;
	retarray->dtype = (array->dtype & ~GFC_DTYPE_RANK_MASK) \| rank;

	if (alloc_size == 0)
	{
	/* Make sure we have a zero-sized array. */
	retarray->dim[0].lbound = 0;
	retarray->dim[0].ubound = -1;
	return;
	}
	else
	retarray->data = internal_malloc_size (alloc_size);

	}
	else
	{
	if (rank != GFC_DESCRIPTOR_RANK (retarray))
	runtime_error ("rank of return array incorrect");
	}

	for (n = 0; n < rank; n++)
	{
	count[n] = 0;
	dstride[n] = retarray->dim[n].stride;
	if (extent[n] <= 0)
	return;
	}

	dest = retarray->data;
	base = array->data;
	mbase = mask->data;

	if (GFC_DESCRIPTOR_SIZE (mask) != 4)
	{
	/* This allows the same loop to be used for all logical types. */
	assert (GFC_DESCRIPTOR_SIZE (mask) == 8);
	for (n = 0; n < rank; n++)
	mstride[n] <<= 1;
	mdelta <<= 1;
	mbase = (GFOR_POINTER_L8_TO_L4 (mbase));
	}

	while (base)
	{
	const GFC_INTEGER_1 * restrict src;
	const GFC_LOGICAL_4 * restrict msrc;
	GFC_INTEGER_1 result;
	src = base;
	msrc = mbase;
	{

	result = GFC_INTEGER_1_HUGE;
	if (len <= 0)
	*dest = GFC_INTEGER_1_HUGE;
	else
	{
	for (n = 0; n < len; n++, src += delta, msrc += mdelta)
	{

	if (msrc && src < result)
	result = *src;
	}
	*dest = result;
	}
	}
	/* Advance to the next element. */
	count[0]++;
	base += sstride[0];
	mbase += mstride[0];
	dest += dstride[0];
	n = 0;
	while (count[n] == extent[n])
	{
	/* When we get to the end of a dimension, reset it and increment
	the next dimension. */
	count[n] = 0;
	/* We could precalculate these products, but this is a less
	frequently used path so probably not worth it. */
	base -= sstride[n] * extent[n];
	mbase -= mstride[n] * extent[n];
	dest -= dstride[n] * extent[n];
	n++;
	if (n == rank)
	{
	/* Break out of the look. */
	base = NULL;
	break;
	}
	else
	{
	count[n]++;
	base += sstride[n];
	mbase += mstride[n];
	dest += dstride[n];
	}
	}
	}
	}


	extern void sminval_i1 (gfc_array_i1 * const restrict,
	gfc_array_i1 * const restrict, const index_type * const restrict,
	GFC_LOGICAL_4 *);
	export_proto(sminval_i1);

	void
	sminval_i1 (gfc_array_i1 * const restrict retarray,
	gfc_array_i1 * const restrict array,
	const index_type * const restrict pdim,
	GFC_LOGICAL_4 * mask)
	{
	index_type rank;
	index_type n;
	index_type dstride;
	GFC_INTEGER_1 *dest;

	if (*mask)
	{
	minval_i1 (retarray, array, pdim);
	return;
	}
	rank = GFC_DESCRIPTOR_RANK (array);
	if (rank <= 0)
	runtime_error ("Rank of array needs to be > 0");

	if (retarray->data == NULL)
	{
	retarray->dim[0].lbound = 0;
	retarray->dim[0].ubound = rank-1;
	retarray->dim[0].stride = 1;
	retarray->dtype = (retarray->dtype & ~GFC_DTYPE_RANK_MASK) \| 1;
	retarray->offset = 0;
	retarray->data = internal_malloc_size (sizeof (GFC_INTEGER_1) * rank);
	}
	else
	{
	if (GFC_DESCRIPTOR_RANK (retarray) != 1)
	runtime_error ("rank of return array does not equal 1");

	if (retarray->dim[0].ubound + 1 - retarray->dim[0].lbound != rank)
	runtime_error ("dimension of return array incorrect");
	}

	dstride = retarray->dim[0].stride;
	dest = retarray->data;

	for (n = 0; n < rank; n++)
	dest[n * dstride] = GFC_INTEGER_1_HUGE ;
	}

	#endif