/* This file was automatically generated by pclu.*/

#include "pclu_err.h"
#include "pclu_sys.h"


extern errcode intOPsub();
extern errcode intOPlt();
extern errcode intOPadd();

/**** BEGIN PROCEDURE _longsub ****/

errcode _longsub(x1, x2, x3, y1, y2, y3, ret_1, ret_2, ret_3)
CLUREF x1;
CLUREF x2;
CLUREF x3;
CLUREF y1;
CLUREF y2;
CLUREF y3;
CLUREF *ret_1;
CLUREF *ret_2;
CLUREF *ret_3;
    {
    errcode err;
    errcode ecode2;
    enter_proc(3);

  LINE(4);
    {
    CLUREF T_1_1;
    T_1_1.num = x3.num - y3.num;
     if ((T_1_1.num >= 0 && x3.num < 0 && (-y3.num) < 0) || 
         (T_1_1.num <= 0 && x3.num > 0 && (-y3.num) > 0)) {
        err = ERR_overflow;
        goto ex_0;}
    x3.num = T_1_1.num;
    }

  LINE(5);
    {
    CLUREF T_1_1;
    T_1_1.num = (x3.num < 0)? true : false;
    if (T_1_1.num == true) {

  LINE(6);
        {
        CLUREF T_2_1;
        T_2_1.num = x2.num - 1;
         if ((T_2_1.num >= 0 && x2.num < 0 && (-1) < 0) || 
             (T_2_1.num <= 0 && x2.num > 0 && (-1) > 0)) {
            err = ERR_overflow;
            goto ex_0;}
        x2.num = T_2_1.num;
        }

  LINE(7);
        {
        CLUREF T_2_1;
        CLUREF T_2_2;
        T_2_1.num = 1000;
        T_2_2.num = x3.num + T_2_1.num;
         if ((T_2_2.num > 0 && x3.num < 0 && T_2_1.num < 0) || 
             (T_2_2.num < 0 && x3.num > 0 && T_2_1.num > 0)) {
            err = ERR_overflow;
            goto ex_0;}
        x3.num = T_2_2.num;
        }
        }
        }/* end if */

  LINE(9);
    {
    CLUREF T_1_1;
    T_1_1.num = x2.num - y2.num;
     if ((T_1_1.num >= 0 && x2.num < 0 && (-y2.num) < 0) || 
         (T_1_1.num <= 0 && x2.num > 0 && (-y2.num) > 0)) {
        err = ERR_overflow;
        goto ex_0;}
    x2.num = T_1_1.num;
    }

  LINE(10);
    {
    CLUREF T_1_1;
    T_1_1.num = (x2.num < 0)? true : false;
    if (T_1_1.num == true) {

  LINE(11);
        {
        CLUREF T_2_1;
        T_2_1.num = x1.num - 1;
         if ((T_2_1.num >= 0 && x1.num < 0 && (-1) < 0) || 
             (T_2_1.num <= 0 && x1.num > 0 && (-1) > 0)) {
            err = ERR_overflow;
            goto ex_0;}
        x1.num = T_2_1.num;
        }

  LINE(12);
        {
        CLUREF T_2_1;
        CLUREF T_2_2;
        T_2_1.num = 1000;
        T_2_2.num = x2.num + T_2_1.num;
         if ((T_2_2.num > 0 && x2.num < 0 && T_2_1.num < 0) || 
             (T_2_2.num < 0 && x2.num > 0 && T_2_1.num > 0)) {
            err = ERR_overflow;
            goto ex_0;}
        x2.num = T_2_2.num;
        }
        }
        }/* end if */

  LINE(14);
    {
    {
    CLUREF T_1_1;
    T_1_1.num = x1.num - y1.num;
     if ((T_1_1.num >= 0 && x1.num < 0 && (-y1.num) < 0) || 
         (T_1_1.num <= 0 && x1.num > 0 && (-y1.num) > 0)) {
        err = ERR_overflow;
        goto ex_0;}
    ret_1->num = T_1_1.num;
    }
    {
    ret_2->num = x2.num;
    }
    {
    ret_3->num = x3.num;
    }
    {signal (ERR_ok);}}
    goto end_0;
    ex_0:
        {
            if (err == ERR_failure) {signal(ERR_failure);}
            elist[0] = _pclu_erstr(err);
            {signal(ERR_failure);}
        }
    end_0: elist[0].str = no_return_values_STRING;
        {signal(ERR_failure);}
    }

/**** END PROCEDURE _longsub ****/