gcc/libgfortran/generated/maxloc1_8_r4.c
Thomas Koenig 16bff92192 [multiple changes]
2009-07-19  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR libfortran/34670
	PR libfortran/36874
	* Makefile.am:  Add bounds.c
	* libgfortran.h (bounds_equal_extents):  Add prototype.
	(bounds_iforeach_return):  Likewise.
	(bounds_ifunction_return):  Likewise.
	(bounds_reduced_extents):  Likewise.
	* runtime/bounds.c:  New file.
	(bounds_iforeach_return):  New function; correct typo in
	error message.
	(bounds_ifunction_return):  New function.
	(bounds_equal_extents):  New function.
	(bounds_reduced_extents):  Likewise.
	* intrinsics/cshift0.c (cshift0):  Use new functions
	for bounds checking.
	* intrinsics/eoshift0.c (eoshift0):  Likewise.
	* intrinsics/eoshift2.c (eoshift2):  Likewise.
	* m4/iforeach.m4:  Likewise.
	* m4/eoshift1.m4:  Likewise.
	* m4/eoshift3.m4:  Likewise.
	* m4/cshift1.m4:  Likewise.
	* m4/ifunction.m4:  Likewise.
	* Makefile.in:  Regenerated.
	* generated/cshift1_16.c: Regenerated.
	* generated/cshift1_4.c: Regenerated.
	* generated/cshift1_8.c: Regenerated.
	* generated/eoshift1_16.c: Regenerated.
	* generated/eoshift1_4.c: Regenerated.
	* generated/eoshift1_8.c: Regenerated.
	* generated/eoshift3_16.c: Regenerated.
	* generated/eoshift3_4.c: Regenerated.
	* generated/eoshift3_8.c: Regenerated.
	* generated/maxloc0_16_i1.c: Regenerated.
	* generated/maxloc0_16_i16.c: Regenerated.
	* generated/maxloc0_16_i2.c: Regenerated.
	* generated/maxloc0_16_i4.c: Regenerated.
	* generated/maxloc0_16_i8.c: Regenerated.
	* generated/maxloc0_16_r10.c: Regenerated.
	* generated/maxloc0_16_r16.c: Regenerated.
	* generated/maxloc0_16_r4.c: Regenerated.
	* generated/maxloc0_16_r8.c: Regenerated.
	* generated/maxloc0_4_i1.c: Regenerated.
	* generated/maxloc0_4_i16.c: Regenerated.
	* generated/maxloc0_4_i2.c: Regenerated.
	* generated/maxloc0_4_i4.c: Regenerated.
	* generated/maxloc0_4_i8.c: Regenerated.
	* generated/maxloc0_4_r10.c: Regenerated.
	* generated/maxloc0_4_r16.c: Regenerated.
	* generated/maxloc0_4_r4.c: Regenerated.
	* generated/maxloc0_4_r8.c: Regenerated.
	* generated/maxloc0_8_i1.c: Regenerated.
	* generated/maxloc0_8_i16.c: Regenerated.
	* generated/maxloc0_8_i2.c: Regenerated.
	* generated/maxloc0_8_i4.c: Regenerated.
	* generated/maxloc0_8_i8.c: Regenerated.
	* generated/maxloc0_8_r10.c: Regenerated.
	* generated/maxloc0_8_r16.c: Regenerated.
	* generated/maxloc0_8_r4.c: Regenerated.
	* generated/maxloc0_8_r8.c: Regenerated.
	* generated/maxloc1_16_i1.c: Regenerated.
	* generated/maxloc1_16_i16.c: Regenerated.
	* generated/maxloc1_16_i2.c: Regenerated.
	* generated/maxloc1_16_i4.c: Regenerated.
	* generated/maxloc1_16_i8.c: Regenerated.
	* generated/maxloc1_16_r10.c: Regenerated.
	* generated/maxloc1_16_r16.c: Regenerated.
	* generated/maxloc1_16_r4.c: Regenerated.
	* generated/maxloc1_16_r8.c: Regenerated.
	* generated/maxloc1_4_i1.c: Regenerated.
	* generated/maxloc1_4_i16.c: Regenerated.
	* generated/maxloc1_4_i2.c: Regenerated.
	* generated/maxloc1_4_i4.c: Regenerated.
	* generated/maxloc1_4_i8.c: Regenerated.
	* generated/maxloc1_4_r10.c: Regenerated.
	* generated/maxloc1_4_r16.c: Regenerated.
	* generated/maxloc1_4_r4.c: Regenerated.
	* generated/maxloc1_4_r8.c: Regenerated.
	* generated/maxloc1_8_i1.c: Regenerated.
	* generated/maxloc1_8_i16.c: Regenerated.
	* generated/maxloc1_8_i2.c: Regenerated.
	* generated/maxloc1_8_i4.c: Regenerated.
	* generated/maxloc1_8_i8.c: Regenerated.
	* generated/maxloc1_8_r10.c: Regenerated.
	* generated/maxloc1_8_r16.c: Regenerated.
	* generated/maxloc1_8_r4.c: Regenerated.
	* generated/maxloc1_8_r8.c: Regenerated.
	* generated/maxval_i1.c: Regenerated.
	* generated/maxval_i16.c: Regenerated.
	* generated/maxval_i2.c: Regenerated.
	* generated/maxval_i4.c: Regenerated.
	* generated/maxval_i8.c: Regenerated.
	* generated/maxval_r10.c: Regenerated.
	* generated/maxval_r16.c: Regenerated.
	* generated/maxval_r4.c: Regenerated.
	* generated/maxval_r8.c: Regenerated.
	* generated/minloc0_16_i1.c: Regenerated.
	* generated/minloc0_16_i16.c: Regenerated.
	* generated/minloc0_16_i2.c: Regenerated.
	* generated/minloc0_16_i4.c: Regenerated.
	* generated/minloc0_16_i8.c: Regenerated.
	* generated/minloc0_16_r10.c: Regenerated.
	* generated/minloc0_16_r16.c: Regenerated.
	* generated/minloc0_16_r4.c: Regenerated.
	* generated/minloc0_16_r8.c: Regenerated.
	* generated/minloc0_4_i1.c: Regenerated.
	* generated/minloc0_4_i16.c: Regenerated.
	* generated/minloc0_4_i2.c: Regenerated.
	* generated/minloc0_4_i4.c: Regenerated.
	* generated/minloc0_4_i8.c: Regenerated.
	* generated/minloc0_4_r10.c: Regenerated.
	* generated/minloc0_4_r16.c: Regenerated.
	* generated/minloc0_4_r4.c: Regenerated.
	* generated/minloc0_4_r8.c: Regenerated.
	* generated/minloc0_8_i1.c: Regenerated.
	* generated/minloc0_8_i16.c: Regenerated.
	* generated/minloc0_8_i2.c: Regenerated.
	* generated/minloc0_8_i4.c: Regenerated.
	* generated/minloc0_8_i8.c: Regenerated.
	* generated/minloc0_8_r10.c: Regenerated.
	* generated/minloc0_8_r16.c: Regenerated.
	* generated/minloc0_8_r4.c: Regenerated.
	* generated/minloc0_8_r8.c: Regenerated.
	* generated/minloc1_16_i1.c: Regenerated.
	* generated/minloc1_16_i16.c: Regenerated.
	* generated/minloc1_16_i2.c: Regenerated.
	* generated/minloc1_16_i4.c: Regenerated.
	* generated/minloc1_16_i8.c: Regenerated.
	* generated/minloc1_16_r10.c: Regenerated.
	* generated/minloc1_16_r16.c: Regenerated.
	* generated/minloc1_16_r4.c: Regenerated.
	* generated/minloc1_16_r8.c: Regenerated.
	* generated/minloc1_4_i1.c: Regenerated.
	* generated/minloc1_4_i16.c: Regenerated.
	* generated/minloc1_4_i2.c: Regenerated.
	* generated/minloc1_4_i4.c: Regenerated.
	* generated/minloc1_4_i8.c: Regenerated.
	* generated/minloc1_4_r10.c: Regenerated.
	* generated/minloc1_4_r16.c: Regenerated.
	* generated/minloc1_4_r4.c: Regenerated.
	* generated/minloc1_4_r8.c: Regenerated.
	* generated/minloc1_8_i1.c: Regenerated.
	* generated/minloc1_8_i16.c: Regenerated.
	* generated/minloc1_8_i2.c: Regenerated.
	* generated/minloc1_8_i4.c: Regenerated.
	* generated/minloc1_8_i8.c: Regenerated.
	* generated/minloc1_8_r10.c: Regenerated.
	* generated/minloc1_8_r16.c: Regenerated.
	* generated/minloc1_8_r4.c: Regenerated.
	* generated/minloc1_8_r8.c: Regenerated.
	* generated/minval_i1.c: Regenerated.
	* generated/minval_i16.c: Regenerated.
	* generated/minval_i2.c: Regenerated.
	* generated/minval_i4.c: Regenerated.
	* generated/minval_i8.c: Regenerated.
	* generated/minval_r10.c: Regenerated.
	* generated/minval_r16.c: Regenerated.
	* generated/minval_r4.c: Regenerated.
	* generated/minval_r8.c: Regenerated.
	* generated/product_c10.c: Regenerated.
	* generated/product_c16.c: Regenerated.
	* generated/product_c4.c: Regenerated.
	* generated/product_c8.c: Regenerated.
	* generated/product_i1.c: Regenerated.
	* generated/product_i16.c: Regenerated.
	* generated/product_i2.c: Regenerated.
	* generated/product_i4.c: Regenerated.
	* generated/product_i8.c: Regenerated.
	* generated/product_r10.c: Regenerated.
	* generated/product_r16.c: Regenerated.
	* generated/product_r4.c: Regenerated.
	* generated/product_r8.c: Regenerated.
	* generated/sum_c10.c: Regenerated.
	* generated/sum_c16.c: Regenerated.
	* generated/sum_c4.c: Regenerated.
	* generated/sum_c8.c: Regenerated.
	* generated/sum_i1.c: Regenerated.
	* generated/sum_i16.c: Regenerated.
	* generated/sum_i2.c: Regenerated.
	* generated/sum_i4.c: Regenerated.
	* generated/sum_i8.c: Regenerated.
	* generated/sum_r10.c: Regenerated.
	* generated/sum_r16.c: Regenerated.
	* generated/sum_r4.c: Regenerated.
	* generated/sum_r8.c: Regenerated.

2009-07-19   Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR libfortran/34670
	PR libfortran/36874
	* gfortran.dg/cshift_bounds_1.f90:  New test.
	* gfortran.dg/cshift_bounds_2.f90:  New test.
	* gfortran.dg/cshift_bounds_3.f90:  New test.
	* gfortran.dg/cshift_bounds_4.f90:  New test.
	* gfortran.dg/eoshift_bounds_1.f90:  New test.
	* gfortran.dg/maxloc_bounds_4.f90:  Correct typo in error message.
	* gfortran.dg/maxloc_bounds_5.f90:  Correct typo in error message.
	* gfortran.dg/maxloc_bounds_7.f90:  Correct typo in error message.

From-SVN: r149792
2009-07-19 15:07:21 +00:00

524 lines
13 KiB
C

/* Implementation of the MAXLOC intrinsic
Copyright 2002, 2007, 2009 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 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 <assert.h>
#include <limits.h>
#if defined (HAVE_GFC_REAL_4) && defined (HAVE_GFC_INTEGER_8)
extern void maxloc1_8_r4 (gfc_array_i8 * const restrict,
gfc_array_r4 * const restrict, const index_type * const restrict);
export_proto(maxloc1_8_r4);
void
maxloc1_8_r4 (gfc_array_i8 * const restrict retarray,
gfc_array_r4 * 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_REAL_4 * restrict base;
GFC_INTEGER_8 * restrict dest;
index_type rank;
index_type n;
index_type len;
index_type delta;
index_type dim;
int continue_loop;
/* Make dim zero based to avoid confusion. */
dim = (*pdim) - 1;
rank = GFC_DESCRIPTOR_RANK (array) - 1;
len = GFC_DESCRIPTOR_EXTENT(array,dim);
if (len < 0)
len = 0;
delta = GFC_DESCRIPTOR_STRIDE(array,dim);
for (n = 0; n < dim; n++)
{
sstride[n] = GFC_DESCRIPTOR_STRIDE(array,n);
extent[n] = GFC_DESCRIPTOR_EXTENT(array,n);
if (extent[n] < 0)
extent[n] = 0;
}
for (n = dim; n < rank; n++)
{
sstride[n] = GFC_DESCRIPTOR_STRIDE(array, n + 1);
extent[n] = GFC_DESCRIPTOR_EXTENT(array, n + 1);
if (extent[n] < 0)
extent[n] = 0;
}
if (retarray->data == NULL)
{
size_t alloc_size, str;
for (n = 0; n < rank; n++)
{
if (n == 0)
str = 1;
else
str = GFC_DESCRIPTOR_STRIDE(retarray,n-1) * extent[n-1];
GFC_DIMENSION_SET(retarray->dim[n], 0, extent[n] - 1, str);
}
retarray->offset = 0;
retarray->dtype = (array->dtype & ~GFC_DTYPE_RANK_MASK) | rank;
alloc_size = sizeof (GFC_INTEGER_8) * GFC_DESCRIPTOR_STRIDE(retarray,rank-1)
* extent[rank-1];
if (alloc_size == 0)
{
/* Make sure we have a zero-sized array. */
GFC_DIMENSION_SET(retarray->dim[0], 0, -1, 1);
return;
}
else
retarray->data = internal_malloc_size (alloc_size);
}
else
{
if (rank != GFC_DESCRIPTOR_RANK (retarray))
runtime_error ("rank of return array incorrect in"
" MAXLOC intrinsic: is %ld, should be %ld",
(long int) (GFC_DESCRIPTOR_RANK (retarray)),
(long int) rank);
if (unlikely (compile_options.bounds_check))
bounds_ifunction_return ((array_t *) retarray, extent,
"return value", "MAXLOC");
}
for (n = 0; n < rank; n++)
{
count[n] = 0;
dstride[n] = GFC_DESCRIPTOR_STRIDE(retarray,n);
if (extent[n] <= 0)
len = 0;
}
base = array->data;
dest = retarray->data;
continue_loop = 1;
while (continue_loop)
{
const GFC_REAL_4 * restrict src;
GFC_INTEGER_8 result;
src = base;
{
GFC_REAL_4 maxval;
maxval = -GFC_REAL_4_HUGE;
result = 0;
if (len <= 0)
*dest = 0;
else
{
for (n = 0; n < len; n++, src += delta)
{
if (*src > maxval || !result)
{
maxval = *src;
result = (GFC_INTEGER_8)n + 1;
}
}
*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. */
continue_loop = 0;
break;
}
else
{
count[n]++;
base += sstride[n];
dest += dstride[n];
}
}
}
}
extern void mmaxloc1_8_r4 (gfc_array_i8 * const restrict,
gfc_array_r4 * const restrict, const index_type * const restrict,
gfc_array_l1 * const restrict);
export_proto(mmaxloc1_8_r4);
void
mmaxloc1_8_r4 (gfc_array_i8 * const restrict retarray,
gfc_array_r4 * const restrict array,
const index_type * const restrict pdim,
gfc_array_l1 * 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_8 * restrict dest;
const GFC_REAL_4 * restrict base;
const GFC_LOGICAL_1 * restrict mbase;
int rank;
int dim;
index_type n;
index_type len;
index_type delta;
index_type mdelta;
int mask_kind;
dim = (*pdim) - 1;
rank = GFC_DESCRIPTOR_RANK (array) - 1;
len = GFC_DESCRIPTOR_EXTENT(array,dim);
if (len <= 0)
return;
mbase = mask->data;
mask_kind = GFC_DESCRIPTOR_SIZE (mask);
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");
delta = GFC_DESCRIPTOR_STRIDE(array,dim);
mdelta = GFC_DESCRIPTOR_STRIDE_BYTES(mask,dim);
for (n = 0; n < dim; n++)
{
sstride[n] = GFC_DESCRIPTOR_STRIDE(array,n);
mstride[n] = GFC_DESCRIPTOR_STRIDE_BYTES(mask,n);
extent[n] = GFC_DESCRIPTOR_EXTENT(array,n);
if (extent[n] < 0)
extent[n] = 0;
}
for (n = dim; n < rank; n++)
{
sstride[n] = GFC_DESCRIPTOR_STRIDE(array,n + 1);
mstride[n] = GFC_DESCRIPTOR_STRIDE_BYTES(mask, n + 1);
extent[n] = GFC_DESCRIPTOR_EXTENT(array, n + 1);
if (extent[n] < 0)
extent[n] = 0;
}
if (retarray->data == NULL)
{
size_t alloc_size, str;
for (n = 0; n < rank; n++)
{
if (n == 0)
str = 1;
else
str= GFC_DESCRIPTOR_STRIDE(retarray,n-1) * extent[n-1];
GFC_DIMENSION_SET(retarray->dim[n], 0, extent[n] - 1, str);
}
alloc_size = sizeof (GFC_INTEGER_8) * GFC_DESCRIPTOR_STRIDE(retarray,rank-1)
* 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. */
GFC_DIMENSION_SET(retarray->dim[0], 0, -1, 1);
return;
}
else
retarray->data = internal_malloc_size (alloc_size);
}
else
{
if (rank != GFC_DESCRIPTOR_RANK (retarray))
runtime_error ("rank of return array incorrect in MAXLOC intrinsic");
if (unlikely (compile_options.bounds_check))
{
bounds_ifunction_return ((array_t *) retarray, extent,
"return value", "MAXLOC");
bounds_equal_extents ((array_t *) mask, (array_t *) array,
"MASK argument", "MAXLOC");
}
}
for (n = 0; n < rank; n++)
{
count[n] = 0;
dstride[n] = GFC_DESCRIPTOR_STRIDE(retarray,n);
if (extent[n] <= 0)
return;
}
dest = retarray->data;
base = array->data;
while (base)
{
const GFC_REAL_4 * restrict src;
const GFC_LOGICAL_1 * restrict msrc;
GFC_INTEGER_8 result;
src = base;
msrc = mbase;
{
GFC_REAL_4 maxval;
maxval = -GFC_REAL_4_HUGE;
result = 0;
if (len <= 0)
*dest = 0;
else
{
for (n = 0; n < len; n++, src += delta, msrc += mdelta)
{
if (*msrc && (*src > maxval || !result))
{
maxval = *src;
result = (GFC_INTEGER_8)n + 1;
}
}
*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 smaxloc1_8_r4 (gfc_array_i8 * const restrict,
gfc_array_r4 * const restrict, const index_type * const restrict,
GFC_LOGICAL_4 *);
export_proto(smaxloc1_8_r4);
void
smaxloc1_8_r4 (gfc_array_i8 * const restrict retarray,
gfc_array_r4 * const restrict array,
const index_type * const restrict pdim,
GFC_LOGICAL_4 * 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];
GFC_INTEGER_8 * restrict dest;
index_type rank;
index_type n;
index_type dim;
if (*mask)
{
maxloc1_8_r4 (retarray, array, pdim);
return;
}
/* Make dim zero based to avoid confusion. */
dim = (*pdim) - 1;
rank = GFC_DESCRIPTOR_RANK (array) - 1;
for (n = 0; n < dim; n++)
{
sstride[n] = GFC_DESCRIPTOR_STRIDE(array,n);
extent[n] = GFC_DESCRIPTOR_EXTENT(array,n);
if (extent[n] <= 0)
extent[n] = 0;
}
for (n = dim; n < rank; n++)
{
sstride[n] = GFC_DESCRIPTOR_STRIDE(array,n + 1);
extent[n] =
GFC_DESCRIPTOR_EXTENT(array,n + 1);
if (extent[n] <= 0)
extent[n] = 0;
}
if (retarray->data == NULL)
{
size_t alloc_size, str;
for (n = 0; n < rank; n++)
{
if (n == 0)
str = 1;
else
str = GFC_DESCRIPTOR_STRIDE(retarray,n-1) * extent[n-1];
GFC_DIMENSION_SET(retarray->dim[n], 0, extent[n] - 1, str);
}
retarray->offset = 0;
retarray->dtype = (array->dtype & ~GFC_DTYPE_RANK_MASK) | rank;
alloc_size = sizeof (GFC_INTEGER_8) * GFC_DESCRIPTOR_STRIDE(retarray,rank-1)
* extent[rank-1];
if (alloc_size == 0)
{
/* Make sure we have a zero-sized array. */
GFC_DIMENSION_SET(retarray->dim[0], 0, -1, 1);
return;
}
else
retarray->data = internal_malloc_size (alloc_size);
}
else
{
if (rank != GFC_DESCRIPTOR_RANK (retarray))
runtime_error ("rank of return array incorrect in"
" MAXLOC intrinsic: is %ld, should be %ld",
(long int) (GFC_DESCRIPTOR_RANK (retarray)),
(long int) rank);
if (unlikely (compile_options.bounds_check))
{
for (n=0; n < rank; n++)
{
index_type ret_extent;
ret_extent = GFC_DESCRIPTOR_EXTENT(retarray,n);
if (extent[n] != ret_extent)
runtime_error ("Incorrect extent in return value of"
" MAXLOC intrinsic in dimension %ld:"
" is %ld, should be %ld", (long int) n + 1,
(long int) ret_extent, (long int) extent[n]);
}
}
}
for (n = 0; n < rank; n++)
{
count[n] = 0;
dstride[n] = GFC_DESCRIPTOR_STRIDE(retarray,n);
}
dest = retarray->data;
while(1)
{
*dest = 0;
count[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. */
dest -= dstride[n] * extent[n];
n++;
if (n == rank)
return;
else
{
count[n]++;
dest += dstride[n];
}
}
}
}
#endif