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Diffstat (limited to 'libgfortran/m4/minval.m4')
-rw-r--r-- | libgfortran/m4/minval.m4 | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/libgfortran/m4/minval.m4 b/libgfortran/m4/minval.m4 new file mode 100644 index 000000000..037dd6725 --- /dev/null +++ b/libgfortran/m4/minval.m4 @@ -0,0 +1,88 @@ +`/* Implementation of the MINVAL intrinsic + Copyright 2002, 2007, 2009, 2010 Free Software Foundation, Inc. + Contributed by Paul Brook <paul@nowt.org> + +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 <assert.h>' + +include(iparm.m4)dnl +include(ifunction.m4)dnl + +`#if defined (HAVE_'atype_name`) && defined (HAVE_'rtype_name`)' + +ARRAY_FUNCTION(atype_max, +`#if defined ('atype_inf`) + result = atype_inf; +#else + result = atype_max; +#endif', +`#if defined ('atype_nan`) + if (*src <= result) + break; + } + if (unlikely (n >= len)) + result = atype_nan; + else for (; n < len; n++, src += delta) + { +#endif + if (*src < result) + result = *src;') + +MASKED_ARRAY_FUNCTION(atype_max, +`#if defined ('atype_inf`) + result = atype_inf; +#else + result = atype_max; +#endif +#if defined ('atype_nan`) + int non_empty_p = 0; +#endif', +`#if defined ('atype_inf`) || defined ('atype_nan`) + if (*msrc) + { +#if defined ('atype_nan`) + non_empty_p = 1; + if (*src <= result) +#endif + break; + } + } + if (unlikely (n >= len)) + { +#if defined ('atype_nan`) + result = non_empty_p ? atype_nan : atype_max; +#else + result = atype_max; +#endif + } + else for (; n < len; n++, src += delta, msrc += mdelta) + { +#endif + if (*msrc && *src < result) + result = *src;', `') + +SCALAR_ARRAY_FUNCTION(atype_max) + +#endif |