gcc/libgfortran/generated/dotprod_i4.c
Richard Henderson 7f68c75fb3 iresolve.c (gfc_resolve_all, [...]): Use PREFIX.
gcc/fortran/
        * iresolve.c (gfc_resolve_all, gfc_resolve_any, gfc_resolve_count,
        gfc_resolve_cshift, gfc_resolve_dot_product, gfc_resolve_eoshift,
        gfc_resolve_matmul, gfc_resolve_maxloc, gfc_resolve_maxval,
        gfc_resolve_minloc, gfc_resolve_minval, gfc_resolve_pack,
        gfc_resolve_product, gfc_resolve_reshape, gfc_resolve_shape,
        gfc_resolve_spread, gfc_resolve_sum, gfc_resolve_transpose,
        gfc_resolve_unpack: Use PREFIX.
libgfortran/
        * intrinsics/cshift0.c, intrinsics/eoshift0.c, intrinsics/eoshift2.c,
        intrinsics/pack_generic.c, intrinsics/reshape_generic.c,
        intrinsics/spread_generic.c, intrinsics/transpose_generic.c,
        intrinsics/unpack_generic.c, m4/cshift1.m4, m4/dotprod.m4,
        m4/dotprodc.m4, m4/dotprodl.m4, m4/eoshift1.m4, m4/eoshift3.m4,
        m4/iforeach.m4, m4/ifunction.m4, m4/matmul.m4, m4/matmull.m4,
        m4/reshape.m4, m4/shape.m4, m4/transpose.m4: Use standard prefix
        instead of "__".
        * generated/*: Rebuild.

From-SVN: r92075
2004-12-12 18:47:58 -08:00

67 lines
1.9 KiB
C

/* Implementation of the DOT_PRODUCT 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 (libgfor).
Libgfortran is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with libgfor; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "config.h"
#include <stdlib.h>
#include <assert.h>
#include "libgfortran.h"
typedef GFC_ARRAY_DESCRIPTOR(GFC_MAX_DIMENSIONS, char) char_array;
extern GFC_INTEGER_4 dot_product_i4 (gfc_array_i4 * a, gfc_array_i4 * b);
export_proto(dot_product_i4);
/* Both parameters will already have been converted to the result type. */
GFC_INTEGER_4
dot_product_i4 (gfc_array_i4 * a, gfc_array_i4 * b)
{
GFC_INTEGER_4 *pa;
GFC_INTEGER_4 *pb;
GFC_INTEGER_4 res;
index_type count;
index_type astride;
index_type bstride;
assert (GFC_DESCRIPTOR_RANK (a) == 1
&& GFC_DESCRIPTOR_RANK (b) == 1);
if (a->dim[0].stride == 0)
a->dim[0].stride = 1;
if (b->dim[0].stride == 0)
b->dim[0].stride = 1;
astride = a->dim[0].stride;
bstride = b->dim[0].stride;
count = a->dim[0].ubound + 1 - a->dim[0].lbound;
res = 0;
pa = a->data;
pb = b->data;
while (count--)
{
res += *pa * *pb;
pa += astride;
pb += bstride;
}
return res;
}