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Diffstat (limited to 'gsl-1.9/ieee-utils/endian.c')
-rw-r--r-- | gsl-1.9/ieee-utils/endian.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/gsl-1.9/ieee-utils/endian.c b/gsl-1.9/ieee-utils/endian.c new file mode 100644 index 0000000..4c2caea --- /dev/null +++ b/gsl-1.9/ieee-utils/endian.c @@ -0,0 +1,37 @@ +/* ieee-utils/endian.c + * + * Copyright (C) 1996, 1997, 1998, 1999, 2000 Brian Gough + * + * This program 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 2 of the License, or (at + * your option) any later version. + * + * This program 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#include <config.h> +#include <stdlib.h> +#include <gsl/gsl_ieee_utils.h> + +static int little_endian_p (void) ; + +static int +little_endian_p (void) { + /* Are we little or big endian? From Harbison & Steele. */ + union + { + long l; + char c[sizeof (long)]; + } u; + u.l = 1; + return (u.c[sizeof (long) - 1] == 1); +} + |