libgfortran/generated/minloc0_8_s4.c - gcc - Git at Google

 /* Implementation of the MINLOC intrinsic
    Copyright (C) 2017-2021 Free Software Foundation, Inc.
    Contributed by Thomas Koenig

 This file is part of the GNU Fortran 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 3 of the License, or (at your option) any later version.

 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.

 Under Section 7 of GPL version 3, you are granted additional
 permissions described in the GCC Runtime Library Exception, version
 3.1, as published by the Free Software Foundation.

 You should have received a copy of the GNU General Public License and
 a copy of the GCC Runtime Library Exception along with this program;
 see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 <http://www.gnu.org/licenses/>.  */

 #include "libgfortran.h"
 #include <stdlib.h>
 #include <string.h>
 #include <assert.h>
 #include <limits.h>


 #if defined (HAVE_GFC_UINTEGER_4) && defined (HAVE_GFC_INTEGER_8)

 #define HAVE_BACK_ARG 1

 static inline int
 compare_fcn (const GFC_UINTEGER_4 *a, const GFC_UINTEGER_4 *b, gfc_charlen_type n)
 {
   if (sizeof (GFC_UINTEGER_4) == 1)
     return memcmp (a, b, n);
   else
     return memcmp_char4 (a, b, n);

 }

 extern void minloc0_8_s4 (gfc_array_i8 * const restrict retarray,
 	gfc_array_s4 * const restrict array, GFC_LOGICAL_4 back, gfc_charlen_type len);
 export_proto(minloc0_8_s4);

 void
 minloc0_8_s4 (gfc_array_i8 * const restrict retarray,
 	gfc_array_s4 * const restrict array, GFC_LOGICAL_4 back, gfc_charlen_type len)
 {
   index_type count[GFC_MAX_DIMENSIONS];
   index_type extent[GFC_MAX_DIMENSIONS];
   index_type sstride[GFC_MAX_DIMENSIONS];
   index_type dstride;
   const GFC_UINTEGER_4 *base;
   GFC_INTEGER_8 * restrict dest;
   index_type rank;
   index_type n;

   rank = GFC_DESCRIPTOR_RANK (array);
   if (rank <= 0)
     runtime_error ("Rank of array needs to be > 0");

   if (retarray->base_addr == NULL)
     {
       GFC_DIMENSION_SET(retarray->dim[0], 0, rank-1, 1);
       retarray->dtype.rank = 1;
       retarray->offset = 0;
       retarray->base_addr = xmallocarray (rank, sizeof (GFC_INTEGER_8));
     }
   else
     {
       if (unlikely (compile_options.bounds_check))
 	bounds_iforeach_return ((array_t *) retarray, (array_t *) array,
 				"MINLOC");
     }

   dstride = GFC_DESCRIPTOR_STRIDE(retarray,0);
   dest = retarray->base_addr;
   for (n = 0; n < rank; n++)
     {
       sstride[n] = GFC_DESCRIPTOR_STRIDE(array,n) * len;
       extent[n] = GFC_DESCRIPTOR_EXTENT(array,n);
       count[n] = 0;
       if (extent[n] <= 0)
 	{
 	  /* Set the return value.  */
 	  for (n = 0; n < rank; n++)
 	    dest[n * dstride] = 0;
 	  return;
 	}
     }

   base = array->base_addr;

   /* Initialize the return value.  */
   for (n = 0; n < rank; n++)
     dest[n * dstride] = 1;
   {

   const GFC_UINTEGER_4 *minval;
    minval = NULL;

   while (base)
     {
       do
 	{
 	  /* Implementation start.  */

     if (minval == NULL || (back ? compare_fcn (base, minval, len) <= 0 :
        	 	    	    	   compare_fcn (base, minval, len) < 0))
     {
       minval = base;
       for (n = 0; n < rank; n++)
         dest[n * dstride] = count[n] + 1;
     }
 	  /* Implementation end.  */
 	  /* Advance to the next element.  */
 	  base += sstride[0];
 	}
       while (++count[0] != extent[0]);
       n = 0;
       do
 	{
 	  /* 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];
 	  n++;
 	  if (n >= rank)
 	    {
 	      /* Break out of the loop.  */
 	      base = NULL;
 	      break;
 	    }
 	  else
 	    {
 	      count[n]++;
 	      base += sstride[n];
 	    }
 	}
       while (count[n] == extent[n]);
     }
   }
 }


 extern void mminloc0_8_s4 (gfc_array_i8 * const restrict,
 	gfc_array_s4 * const restrict, gfc_array_l1 * const restrict , GFC_LOGICAL_4 back,
 	gfc_charlen_type len);
 export_proto(mminloc0_8_s4);

 void
 mminloc0_8_s4 (gfc_array_i8 * const restrict retarray,
 	gfc_array_s4 * const restrict array,
 	gfc_array_l1 * const restrict mask, GFC_LOGICAL_4 back,
 	gfc_charlen_type len)
 {
   index_type count[GFC_MAX_DIMENSIONS];
   index_type extent[GFC_MAX_DIMENSIONS];
   index_type sstride[GFC_MAX_DIMENSIONS];
   index_type mstride[GFC_MAX_DIMENSIONS];
   index_type dstride;
   GFC_INTEGER_8 *dest;
   const GFC_UINTEGER_4 *base;
   GFC_LOGICAL_1 *mbase;
   int rank;
   index_type n;
   int mask_kind;

   if (mask == NULL)
     {
 #ifdef HAVE_BACK_ARG
       minloc0_8_s4 (retarray, array, back, len);
 #else
       minloc0_8_s4 (retarray, array, len);
 #endif
       return;
     }

   rank = GFC_DESCRIPTOR_RANK (array);
   if (rank <= 0)
     runtime_error ("Rank of array needs to be > 0");

   if (retarray->base_addr == NULL)
     {
       GFC_DIMENSION_SET(retarray->dim[0], 0, rank - 1, 1);
       retarray->dtype.rank = 1;
       retarray->offset = 0;
       retarray->base_addr = xmallocarray (rank, sizeof (GFC_INTEGER_8));
     }
   else
     {
       if (unlikely (compile_options.bounds_check))
 	{

 	  bounds_iforeach_return ((array_t *) retarray, (array_t *) array,
 				  "MINLOC");
 	  bounds_equal_extents ((array_t *) mask, (array_t *) array,
 				  "MASK argument", "MINLOC");
 	}
     }

   mask_kind = GFC_DESCRIPTOR_SIZE (mask);

   mbase = mask->base_addr;

   if (mask_kind == 1 || mask_kind == 2 || mask_kind == 4 || mask_kind == 8
 #ifdef HAVE_GFC_LOGICAL_16
       || mask_kind == 16
 #endif
       )
     mbase = GFOR_POINTER_TO_L1 (mbase, mask_kind);
   else
     runtime_error ("Funny sized logical array");

   dstride = GFC_DESCRIPTOR_STRIDE(retarray,0);
   dest = retarray->base_addr;
   for (n = 0; n < rank; n++)
     {
       sstride[n] = GFC_DESCRIPTOR_STRIDE(array,n) * len;
       mstride[n] = GFC_DESCRIPTOR_STRIDE_BYTES(mask,n);
       extent[n] = GFC_DESCRIPTOR_EXTENT(array,n);
       count[n] = 0;
       if (extent[n] <= 0)
 	{
 	  /* Set the return value.  */
 	  for (n = 0; n < rank; n++)
 	    dest[n * dstride] = 0;
 	  return;
 	}
     }

   base = array->base_addr;

   /* Initialize the return value.  */
   for (n = 0; n < rank; n++)
     dest[n * dstride] = 0;
   {

   const GFC_UINTEGER_4 *minval;

   minval = NULL;

   while (base)
     {
       do
 	{
 	  /* Implementation start.  */

   if (*mbase &&
       (minval == NULL || (back ? compare_fcn (base, minval, len) <= 0 :
        	 	    	    	 compare_fcn (base, minval, len) < 0)))
     {
       minval = base;
       for (n = 0; n < rank; n++)
         dest[n * dstride] = count[n] + 1;
     }
 	  /* Implementation end.  */
 	  /* Advance to the next element.  */
 	  base += sstride[0];
 	  mbase += mstride[0];
 	}
       while (++count[0] != extent[0]);
       n = 0;
       do
 	{
 	  /* 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];
 	  n++;
 	  if (n >= rank)
 	    {
 	      /* Break out of the loop.  */
 	      base = NULL;
 	      break;
 	    }
 	  else
 	    {
 	      count[n]++;
 	      base += sstride[n];
 	      mbase += mstride[n];
 	    }
 	}
       while (count[n] == extent[n]);
     }
   }
 }


 extern void sminloc0_8_s4 (gfc_array_i8 * const restrict,
 	gfc_array_s4 * const restrict, GFC_LOGICAL_4 *, GFC_LOGICAL_4 back,
 	gfc_charlen_type len);
 export_proto(sminloc0_8_s4);

 void
 sminloc0_8_s4 (gfc_array_i8 * const restrict retarray,
 	gfc_array_s4 * const restrict array,
 	GFC_LOGICAL_4 * mask, GFC_LOGICAL_4 back,
 	gfc_charlen_type len)
 {
   index_type rank;
   index_type dstride;
   index_type n;
   GFC_INTEGER_8 *dest;

   if (mask == NULL || *mask)
     {
 #ifdef HAVE_BACK_ARG
       minloc0_8_s4 (retarray, array, back, len);
 #else
       minloc0_8_s4 (retarray, array, len);
 #endif
       return;
     }

   rank = GFC_DESCRIPTOR_RANK (array);

   if (rank <= 0)
     runtime_error ("Rank of array needs to be > 0");

   if (retarray->base_addr == NULL)
     {
       GFC_DIMENSION_SET(retarray->dim[0], 0, rank-1, 1);
       retarray->dtype.rank = 1;
       retarray->offset = 0;
       retarray->base_addr = xmallocarray (rank, sizeof (GFC_INTEGER_8));
     }
   else if (unlikely (compile_options.bounds_check))
     {
        bounds_iforeach_return ((array_t *) retarray, (array_t *) array,
 			       "MINLOC");
     }

   dstride = GFC_DESCRIPTOR_STRIDE(retarray,0);
   dest = retarray->base_addr;
   for (n = 0; n<rank; n++)
     dest[n * dstride] = 0 ;
 }
 #endif
	/* Implementation of the MINLOC intrinsic
	Copyright (C) 2017-2021 Free Software Foundation, Inc.
	Contributed by Thomas Koenig

	This file is part of the GNU Fortran 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 3 of the License, or (at your option) any later version.

	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.

	Under Section 7 of GPL version 3, you are granted additional
	permissions described in the GCC Runtime Library Exception, version
	3.1, as published by the Free Software Foundation.

	You should have received a copy of the GNU General Public License and
	a copy of the GCC Runtime Library Exception along with this program;
	see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
	<http://www.gnu.org/licenses/>. */

	#include "libgfortran.h"
	#include <stdlib.h>
	#include <string.h>
	#include <assert.h>
	#include <limits.h>


	#if defined (HAVE_GFC_UINTEGER_4) && defined (HAVE_GFC_INTEGER_8)

	#define HAVE_BACK_ARG 1

	static inline int
	compare_fcn (const GFC_UINTEGER_4 a, const GFC_UINTEGER_4 b, gfc_charlen_type n)
	{
	if (sizeof (GFC_UINTEGER_4) == 1)
	return memcmp (a, b, n);
	else
	return memcmp_char4 (a, b, n);

	}

	extern void minloc0_8_s4 (gfc_array_i8 * const restrict retarray,
	gfc_array_s4 * const restrict array, GFC_LOGICAL_4 back, gfc_charlen_type len);
	export_proto(minloc0_8_s4);

	void
	minloc0_8_s4 (gfc_array_i8 * const restrict retarray,
	gfc_array_s4 * const restrict array, GFC_LOGICAL_4 back, gfc_charlen_type len)
	{
	index_type count[GFC_MAX_DIMENSIONS];
	index_type extent[GFC_MAX_DIMENSIONS];
	index_type sstride[GFC_MAX_DIMENSIONS];
	index_type dstride;
	const GFC_UINTEGER_4 *base;
	GFC_INTEGER_8 * restrict dest;
	index_type rank;
	index_type n;

	rank = GFC_DESCRIPTOR_RANK (array);
	if (rank <= 0)
	runtime_error ("Rank of array needs to be > 0");

	if (retarray->base_addr == NULL)
	{
	GFC_DIMENSION_SET(retarray->dim[0], 0, rank-1, 1);
	retarray->dtype.rank = 1;
	retarray->offset = 0;
	retarray->base_addr = xmallocarray (rank, sizeof (GFC_INTEGER_8));
	}
	else
	{
	if (unlikely (compile_options.bounds_check))
	bounds_iforeach_return ((array_t ) retarray, (array_t ) array,
	"MINLOC");
	}

	dstride = GFC_DESCRIPTOR_STRIDE(retarray,0);
	dest = retarray->base_addr;
	for (n = 0; n < rank; n++)
	{
	sstride[n] = GFC_DESCRIPTOR_STRIDE(array,n) * len;
	extent[n] = GFC_DESCRIPTOR_EXTENT(array,n);
	count[n] = 0;
	if (extent[n] <= 0)
	{
	/* Set the return value. */
	for (n = 0; n < rank; n++)
	dest[n * dstride] = 0;
	return;
	}
	}

	base = array->base_addr;

	/* Initialize the return value. */
	for (n = 0; n < rank; n++)
	dest[n * dstride] = 1;
	{

	const GFC_UINTEGER_4 *minval;
	minval = NULL;

	while (base)
	{
	do
	{
	/* Implementation start. */

	if (minval == NULL \|\| (back ? compare_fcn (base, minval, len) <= 0 :
	compare_fcn (base, minval, len) < 0))
	{
	minval = base;
	for (n = 0; n < rank; n++)
	dest[n * dstride] = count[n] + 1;
	}
	/* Implementation end. */
	/* Advance to the next element. */
	base += sstride[0];
	}
	while (++count[0] != extent[0]);
	n = 0;
	do
	{
	/* 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];
	n++;
	if (n >= rank)
	{
	/* Break out of the loop. */
	base = NULL;
	break;
	}
	else
	{
	count[n]++;
	base += sstride[n];
	}
	}
	while (count[n] == extent[n]);
	}
	}
	}


	extern void mminloc0_8_s4 (gfc_array_i8 * const restrict,
	gfc_array_s4 * const restrict, gfc_array_l1 * const restrict , GFC_LOGICAL_4 back,
	gfc_charlen_type len);
	export_proto(mminloc0_8_s4);

	void
	mminloc0_8_s4 (gfc_array_i8 * const restrict retarray,
	gfc_array_s4 * const restrict array,
	gfc_array_l1 * const restrict mask, GFC_LOGICAL_4 back,
	gfc_charlen_type len)
	{
	index_type count[GFC_MAX_DIMENSIONS];
	index_type extent[GFC_MAX_DIMENSIONS];
	index_type sstride[GFC_MAX_DIMENSIONS];
	index_type mstride[GFC_MAX_DIMENSIONS];
	index_type dstride;
	GFC_INTEGER_8 *dest;
	const GFC_UINTEGER_4 *base;
	GFC_LOGICAL_1 *mbase;
	int rank;
	index_type n;
	int mask_kind;

	if (mask == NULL)
	{
	#ifdef HAVE_BACK_ARG
	minloc0_8_s4 (retarray, array, back, len);
	#else
	minloc0_8_s4 (retarray, array, len);
	#endif
	return;
	}

	rank = GFC_DESCRIPTOR_RANK (array);
	if (rank <= 0)
	runtime_error ("Rank of array needs to be > 0");

	if (retarray->base_addr == NULL)
	{
	GFC_DIMENSION_SET(retarray->dim[0], 0, rank - 1, 1);
	retarray->dtype.rank = 1;
	retarray->offset = 0;
	retarray->base_addr = xmallocarray (rank, sizeof (GFC_INTEGER_8));
	}
	else
	{
	if (unlikely (compile_options.bounds_check))
	{

	bounds_iforeach_return ((array_t ) retarray, (array_t ) array,
	"MINLOC");
	bounds_equal_extents ((array_t ) mask, (array_t ) array,
	"MASK argument", "MINLOC");
	}
	}

	mask_kind = GFC_DESCRIPTOR_SIZE (mask);

	mbase = mask->base_addr;

	if (mask_kind == 1 \|\| mask_kind == 2 \|\| mask_kind == 4 \|\| mask_kind == 8
	#ifdef HAVE_GFC_LOGICAL_16
	\|\| mask_kind == 16
	#endif
	)
	mbase = GFOR_POINTER_TO_L1 (mbase, mask_kind);
	else
	runtime_error ("Funny sized logical array");

	dstride = GFC_DESCRIPTOR_STRIDE(retarray,0);
	dest = retarray->base_addr;
	for (n = 0; n < rank; n++)
	{
	sstride[n] = GFC_DESCRIPTOR_STRIDE(array,n) * len;
	mstride[n] = GFC_DESCRIPTOR_STRIDE_BYTES(mask,n);
	extent[n] = GFC_DESCRIPTOR_EXTENT(array,n);
	count[n] = 0;
	if (extent[n] <= 0)
	{
	/* Set the return value. */
	for (n = 0; n < rank; n++)
	dest[n * dstride] = 0;
	return;
	}
	}

	base = array->base_addr;

	/* Initialize the return value. */
	for (n = 0; n < rank; n++)
	dest[n * dstride] = 0;
	{

	const GFC_UINTEGER_4 *minval;

	minval = NULL;

	while (base)
	{
	do
	{
	/* Implementation start. */

	if (*mbase &&
	(minval == NULL \|\| (back ? compare_fcn (base, minval, len) <= 0 :
	compare_fcn (base, minval, len) < 0)))
	{
	minval = base;
	for (n = 0; n < rank; n++)
	dest[n * dstride] = count[n] + 1;
	}
	/* Implementation end. */
	/* Advance to the next element. */
	base += sstride[0];
	mbase += mstride[0];
	}
	while (++count[0] != extent[0]);
	n = 0;
	do
	{
	/* 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];
	n++;
	if (n >= rank)
	{
	/* Break out of the loop. */
	base = NULL;
	break;
	}
	else
	{
	count[n]++;
	base += sstride[n];
	mbase += mstride[n];
	}
	}
	while (count[n] == extent[n]);
	}
	}
	}


	extern void sminloc0_8_s4 (gfc_array_i8 * const restrict,
	gfc_array_s4 * const restrict, GFC_LOGICAL_4 *, GFC_LOGICAL_4 back,
	gfc_charlen_type len);
	export_proto(sminloc0_8_s4);

	void
	sminloc0_8_s4 (gfc_array_i8 * const restrict retarray,
	gfc_array_s4 * const restrict array,
	GFC_LOGICAL_4 * mask, GFC_LOGICAL_4 back,
	gfc_charlen_type len)
	{
	index_type rank;
	index_type dstride;
	index_type n;
	GFC_INTEGER_8 *dest;

	if (mask == NULL \|\| *mask)
	{
	#ifdef HAVE_BACK_ARG
	minloc0_8_s4 (retarray, array, back, len);
	#else
	minloc0_8_s4 (retarray, array, len);
	#endif
	return;
	}

	rank = GFC_DESCRIPTOR_RANK (array);

	if (rank <= 0)
	runtime_error ("Rank of array needs to be > 0");

	if (retarray->base_addr == NULL)
	{
	GFC_DIMENSION_SET(retarray->dim[0], 0, rank-1, 1);
	retarray->dtype.rank = 1;
	retarray->offset = 0;
	retarray->base_addr = xmallocarray (rank, sizeof (GFC_INTEGER_8));
	}
	else if (unlikely (compile_options.bounds_check))
	{
	bounds_iforeach_return ((array_t ) retarray, (array_t ) array,
	"MINLOC");
	}

	dstride = GFC_DESCRIPTOR_STRIDE(retarray,0);
	dest = retarray->base_addr;
	for (n = 0; n<rank; n++)
	dest[n * dstride] = 0 ;
	}
	#endif