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Diffstat (limited to 'ext/bcmath/libbcmath/src/rmzero.c')
-rw-r--r-- | ext/bcmath/libbcmath/src/rmzero.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/ext/bcmath/libbcmath/src/rmzero.c b/ext/bcmath/libbcmath/src/rmzero.c new file mode 100644 index 0000000..63f7a0c --- /dev/null +++ b/ext/bcmath/libbcmath/src/rmzero.c @@ -0,0 +1,55 @@ +/* rmzero.c: bcmath library file. */ +/* + Copyright (C) 1991, 1992, 1993, 1994, 1997 Free Software Foundation, Inc. + Copyright (C) 2000 Philip A. Nelson + + This library 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 of the License, or (at your option) any later version. + + This library 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. (COPYING.LIB) + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to: + + The Free Software Foundation, Inc. + 59 Temple Place, Suite 330 + Boston, MA 02111-1307 USA. + + You may contact the author by: + e-mail: philnelson@acm.org + us-mail: Philip A. Nelson + Computer Science Department, 9062 + Western Washington University + Bellingham, WA 98226-9062 + +*************************************************************************/ + +#include <config.h> +#include <stdio.h> +#include <assert.h> +#include <stdlib.h> +#include <ctype.h> +#include <stdarg.h> +#include "bcmath.h" +#include "private.h" + +/* For many things, we may have leading zeros in a number NUM. + _bc_rm_leading_zeros just moves the data "value" pointer to the + correct place and adjusts the length. */ + + void +_bc_rm_leading_zeros (num) + bc_num num; +{ + /* We can move n_value to point to the first non zero digit! */ + while (*num->n_value == 0 && num->n_len > 1) { + num->n_value++; + num->n_len--; + } +} + |