diff options
Diffstat (limited to 'libgfortran/generated/maxloc0_4_s4.c')
-rw-r--r-- | libgfortran/generated/maxloc0_4_s4.c | 327 |
1 files changed, 327 insertions, 0 deletions
diff --git a/libgfortran/generated/maxloc0_4_s4.c b/libgfortran/generated/maxloc0_4_s4.c new file mode 100644 index 00000000000..3a8e603fe92 --- /dev/null +++ b/libgfortran/generated/maxloc0_4_s4.c @@ -0,0 +1,327 @@ +/* Implementation of the MAXLOC intrinsic + Copyright 2017 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_INTEGER_4) && defined (HAVE_GFC_INTEGER_4) + +static inline int +compare_fcn (const GFC_INTEGER_4 *a, const GFC_INTEGER_4 *b, gfc_charlen_type n) +{ + if (sizeof (GFC_INTEGER_4) == 1) + return memcmp (a, b, n); + else + return memcmp_char4 (a, b, n); + +} + +extern void maxloc0_4_s4 (gfc_array_i4 * const restrict retarray, + gfc_array_s4 * const restrict array, gfc_charlen_type len); +export_proto(maxloc0_4_s4); + +void +maxloc0_4_s4 (gfc_array_i4 * const restrict retarray, + gfc_array_s4 * const restrict array, 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_INTEGER_4 *base; + GFC_INTEGER_4 * 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 = (retarray->dtype & ~GFC_DTYPE_RANK_MASK) | 1; + retarray->offset = 0; + retarray->base_addr = xmallocarray (rank, sizeof (GFC_INTEGER_4)); + } + else + { + if (unlikely (compile_options.bounds_check)) + bounds_iforeach_return ((array_t *) retarray, (array_t *) array, + "MAXLOC"); + } + + 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_INTEGER_4 *maxval; + maxval = base; + + while (base) + { + do + { + /* Implementation start. */ + + if (compare_fcn (base, maxval, len) > 0) + { + maxval = 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 mmaxloc0_4_s4 (gfc_array_i4 * const restrict, + gfc_array_s4 * const restrict, gfc_array_l1 * const restrict, gfc_charlen_type len); +export_proto(mmaxloc0_4_s4); + +void +mmaxloc0_4_s4 (gfc_array_i4 * const restrict retarray, + gfc_array_s4 * const restrict array, + gfc_array_l1 * const restrict mask, 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_4 *dest; + const GFC_INTEGER_4 *base; + GFC_LOGICAL_1 *mbase; + int rank; + index_type n; + int mask_kind; + + 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 = (retarray->dtype & ~GFC_DTYPE_RANK_MASK) | 1; + retarray->offset = 0; + retarray->base_addr = xmallocarray (rank, sizeof (GFC_INTEGER_4)); + } + else + { + if (unlikely (compile_options.bounds_check)) + { + + bounds_iforeach_return ((array_t *) retarray, (array_t *) array, + "MAXLOC"); + bounds_equal_extents ((array_t *) mask, (array_t *) array, + "MASK argument", "MAXLOC"); + } + } + + 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_INTEGER_4 *maxval; + + maxval = NULL; + + while (base) + { + do + { + /* Implementation start. */ + + if (*mbase && (maxval == NULL || compare_fcn (base, maxval, len) > 0)) + { + maxval = 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 smaxloc0_4_s4 (gfc_array_i4 * const restrict, + gfc_array_s4 * const restrict, GFC_LOGICAL_4 *, gfc_charlen_type len); +export_proto(smaxloc0_4_s4); + +void +smaxloc0_4_s4 (gfc_array_i4 * const restrict retarray, + gfc_array_s4 * const restrict array, + GFC_LOGICAL_4 * mask, gfc_charlen_type len) +{ + index_type rank; + index_type dstride; + index_type n; + GFC_INTEGER_4 *dest; + + if (*mask) + { + maxloc0_4_s4 (retarray, array, len); + 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 = (retarray->dtype & ~GFC_DTYPE_RANK_MASK) | 1; + retarray->offset = 0; + retarray->base_addr = xmallocarray (rank, sizeof (GFC_INTEGER_4)); + } + else if (unlikely (compile_options.bounds_check)) + { + bounds_iforeach_return ((array_t *) retarray, (array_t *) array, + "MAXLOC"); + } + + dstride = GFC_DESCRIPTOR_STRIDE(retarray,0); + dest = retarray->base_addr; + for (n = 0; n<rank; n++) + dest[n * dstride] = 0 ; +} +#endif |