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Annotation of embedaddon/php/ext/bcmath/libbcmath/src/int2num.c, revision 1.1

1.1     ! misho       1: /* int2num.c: bcmath library file. */
        !             2: /*
        !             3:     Copyright (C) 1991, 1992, 1993, 1994, 1997 Free Software Foundation, Inc.
        !             4:     Copyright (C) 2000 Philip A. Nelson
        !             5: 
        !             6:     This library is free software; you can redistribute it and/or
        !             7:     modify it under the terms of the GNU Lesser General Public
        !             8:     License as published by the Free Software Foundation; either
        !             9:     version 2 of the License, or (at your option) any later version.
        !            10: 
        !            11:     This library is distributed in the hope that it will be useful,
        !            12:     but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            13:     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
        !            14:     Lesser General Public License for more details.  (COPYING.LIB)
        !            15: 
        !            16:     You should have received a copy of the GNU Lesser General Public
        !            17:     License along with this library; if not, write to:
        !            18: 
        !            19:       The Free Software Foundation, Inc.
        !            20:       59 Temple Place, Suite 330
        !            21:       Boston, MA 02111-1307 USA.
        !            22: 
        !            23:     You may contact the author by:
        !            24:        e-mail:  philnelson@acm.org
        !            25:       us-mail:  Philip A. Nelson
        !            26:                 Computer Science Department, 9062
        !            27:                 Western Washington University
        !            28:                 Bellingham, WA 98226-9062
        !            29:        
        !            30: *************************************************************************/
        !            31: 
        !            32: #include <config.h>
        !            33: #include <stdio.h>
        !            34: #include <assert.h>
        !            35: #include <stdlib.h>
        !            36: #include <ctype.h>
        !            37: #include <stdarg.h>
        !            38: #include "bcmath.h"
        !            39: #include "private.h"
        !            40: 
        !            41: 
        !            42: /* Convert an integer VAL to a bc number NUM. */
        !            43: 
        !            44: void
        !            45: bc_int2num (num, val)
        !            46:      bc_num *num;
        !            47:      int val;
        !            48: {
        !            49:   char buffer[30];
        !            50:   char *bptr, *vptr;
        !            51:   int  ix = 1;
        !            52:   char neg = 0;
        !            53: 
        !            54:   /* Sign. */
        !            55:   if (val < 0)
        !            56:     {
        !            57:       neg = 1;
        !            58:       val = -val;
        !            59:     }
        !            60: 
        !            61:   /* Get things going. */
        !            62:   bptr = buffer;
        !            63:   *bptr++ = val % BASE;
        !            64:   val = val / BASE;
        !            65: 
        !            66:   /* Extract remaining digits. */
        !            67:   while (val != 0)
        !            68:     {
        !            69:       *bptr++ = val % BASE;
        !            70:       val = val / BASE;
        !            71:       ix++;            /* Count the digits. */
        !            72:     }
        !            73: 
        !            74:   /* Make the number. */
        !            75:   bc_free_num (num);
        !            76:   *num = bc_new_num (ix, 0);
        !            77:   if (neg) (*num)->n_sign = MINUS;
        !            78: 
        !            79:   /* Assign the digits. */
        !            80:   vptr = (*num)->n_value;
        !            81:   while (ix-- > 0)
        !            82:     *vptr++ = *--bptr;
        !            83: }
        !            84: