#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 maxval_i1 (gfc_array_i1 * const restrict,
gfc_array_i1 * const restrict, const index_type * const restrict);
export_proto(maxval_i1);
void
maxval_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;
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)
{
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-1);
if (len <= 0)
*dest = (-GFC_INTEGER_1_HUGE-1);
else
{
for (n = 0; n < len; n++, src += delta)
{
if (*src > result)
result = *src;
}
*dest = result;
}
}
count[0]++;
base += sstride[0];
dest += dstride[0];
n = 0;
while (count[n] == extent[n])
{
count[n] = 0;
base -= sstride[n] * extent[n];
dest -= dstride[n] * extent[n];
n++;
if (n == rank)
{
base = NULL;
break;
}
else
{
count[n]++;
base += sstride[n];
dest += dstride[n];
}
}
}
}
extern void mmaxval_i1 (gfc_array_i1 * const restrict,
gfc_array_i1 * const restrict, const index_type * const restrict,
gfc_array_l4 * const restrict);
export_proto(mmaxval_i1);
void
mmaxval_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)
{
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)
{
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-1);
if (len <= 0)
*dest = (-GFC_INTEGER_1_HUGE-1);
else
{
for (n = 0; n < len; n++, src += delta, msrc += mdelta)
{
if (*msrc && *src > result)
result = *src;
}
*dest = result;
}
}
count[0]++;
base += sstride[0];
mbase += mstride[0];
dest += dstride[0];
n = 0;
while (count[n] == extent[n])
{
count[n] = 0;
base -= sstride[n] * extent[n];
mbase -= mstride[n] * extent[n];
dest -= dstride[n] * extent[n];
n++;
if (n == rank)
{
base = NULL;
break;
}
else
{
count[n]++;
base += sstride[n];
mbase += mstride[n];
dest += dstride[n];
}
}
}
}
extern void smaxval_i1 (gfc_array_i1 * const restrict,
gfc_array_i1 * const restrict, const index_type * const restrict,
GFC_LOGICAL_4 *);
export_proto(smaxval_i1);
void
smaxval_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)
{
maxval_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-1) ;
}
#endif