src/glplib.h
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     1 /* glplib.h (miscellaneous library routines) */
       
     2 
       
     3 /***********************************************************************
       
     4 *  This code is part of GLPK (GNU Linear Programming Kit).
       
     5 *
       
     6 *  Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
       
     7 *  2009, 2010 Andrew Makhorin, Department for Applied Informatics,
       
     8 *  Moscow Aviation Institute, Moscow, Russia. All rights reserved.
       
     9 *  E-mail: <mao@gnu.org>.
       
    10 *
       
    11 *  GLPK is free software: you can redistribute it and/or modify it
       
    12 *  under the terms of the GNU General Public License as published by
       
    13 *  the Free Software Foundation, either version 3 of the License, or
       
    14 *  (at your option) any later version.
       
    15 *
       
    16 *  GLPK is distributed in the hope that it will be useful, but WITHOUT
       
    17 *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
       
    18 *  or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
       
    19 *  License for more details.
       
    20 *
       
    21 *  You should have received a copy of the GNU General Public License
       
    22 *  along with GLPK. If not, see <http://www.gnu.org/licenses/>.
       
    23 ***********************************************************************/
       
    24 
       
    25 #ifndef GLPLIB_H
       
    26 #define GLPLIB_H
       
    27 
       
    28 #define bigmul _glp_lib_bigmul
       
    29 void bigmul(int n, int m, unsigned short x[], unsigned short y[]);
       
    30 /* multiply unsigned integer numbers of arbitrary precision */
       
    31 
       
    32 #define bigdiv _glp_lib_bigdiv
       
    33 void bigdiv(int n, int m, unsigned short x[], unsigned short y[]);
       
    34 /* divide unsigned integer numbers of arbitrary precision */
       
    35 
       
    36 #ifndef GLP_LONG_DEFINED
       
    37 #define GLP_LONG_DEFINED
       
    38 typedef struct { int lo, hi; } glp_long;
       
    39 /* long integer data type */
       
    40 #endif
       
    41 
       
    42 typedef struct { glp_long quot, rem; } glp_ldiv;
       
    43 /* result of long integer division */
       
    44 
       
    45 #define xlset _glp_lib_xlset
       
    46 glp_long xlset(int x);
       
    47 /* expand integer to long integer */
       
    48 
       
    49 #define xlneg _glp_lib_xlneg
       
    50 glp_long xlneg(glp_long x);
       
    51 /* negate long integer */
       
    52 
       
    53 #define xladd _glp_lib_xladd
       
    54 glp_long xladd(glp_long x, glp_long y);
       
    55 /* add long integers */
       
    56 
       
    57 #define xlsub _glp_lib_xlsub
       
    58 glp_long xlsub(glp_long x, glp_long y);
       
    59 /* subtract long integers */
       
    60 
       
    61 #define xlcmp _glp_lib_xlcmp
       
    62 int xlcmp(glp_long x, glp_long y);
       
    63 /* compare long integers */
       
    64 
       
    65 #define xlmul _glp_lib_xlmul
       
    66 glp_long xlmul(glp_long x, glp_long y);
       
    67 /* multiply long integers */
       
    68 
       
    69 #define xldiv _glp_lib_xldiv
       
    70 glp_ldiv xldiv(glp_long x, glp_long y);
       
    71 /* divide long integers */
       
    72 
       
    73 #define xltod _glp_lib_xltod
       
    74 double xltod(glp_long x);
       
    75 /* convert long integer to double */
       
    76 
       
    77 #define xltoa _glp_lib_xltoa
       
    78 char *xltoa(glp_long x, char *s);
       
    79 /* convert long integer to character string */
       
    80 
       
    81 #define str2int _glp_lib_str2int
       
    82 int str2int(const char *str, int *val);
       
    83 /* convert character string to value of int type */
       
    84 
       
    85 #define str2num _glp_lib_str2num
       
    86 int str2num(const char *str, double *val);
       
    87 /* convert character string to value of double type */
       
    88 
       
    89 #define strspx _glp_lib_strspx
       
    90 char *strspx(char *str);
       
    91 /* remove all spaces from character string */
       
    92 
       
    93 #define strtrim _glp_lib_strtrim
       
    94 char *strtrim(char *str);
       
    95 /* remove trailing spaces from character string */
       
    96 
       
    97 #define strrev _glp_lib_strrev
       
    98 char *strrev(char *s);
       
    99 /* reverse character string */
       
   100 
       
   101 #define gcd _glp_lib_gcd
       
   102 int gcd(int x, int y);
       
   103 /* find greatest common divisor of two integers */
       
   104 
       
   105 #define gcdn _glp_lib_gcdn
       
   106 int gcdn(int n, int x[]);
       
   107 /* find greatest common divisor of n integers */
       
   108 
       
   109 #define lcm _glp_lib_lcm
       
   110 int lcm(int x, int y);
       
   111 /* find least common multiple of two integers */
       
   112 
       
   113 #define lcmn _glp_lib_lcmn
       
   114 int lcmn(int n, int x[]);
       
   115 /* find least common multiple of n integers */
       
   116 
       
   117 #define round2n _glp_lib_round2n
       
   118 double round2n(double x);
       
   119 /* round floating-point number to nearest power of two */
       
   120 
       
   121 #define fp2rat _glp_lib_fp2rat
       
   122 int fp2rat(double x, double eps, double *p, double *q);
       
   123 /* convert floating-point number to rational number */
       
   124 
       
   125 #define jday _glp_lib_jday
       
   126 int jday(int d, int m, int y);
       
   127 /* convert calendar date to Julian day number */
       
   128 
       
   129 #define jdate _glp_lib_jdate
       
   130 int jdate(int j, int *d, int *m, int *y);
       
   131 /* convert Julian day number to calendar date */
       
   132 
       
   133 #endif
       
   134 
       
   135 /* eof */