38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
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/* Copyright (C) 2006 Sergei Golubchik
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License version 2
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as published by the Free Software Foundation
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#include <regex.h>
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#define MAX_VAR 10
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typedef struct {
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char *str;
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regmatch_t *pmatch;
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double *diff_old, *diff_new, *sum_acc;
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} Econtext;
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typedef struct st_expr Expr;
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struct st_expr {
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double (*eval)(Expr *, Econtext *);
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union { int var; double num; Expr *arg[3]; } val;
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};
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extern char *yy_err, *yy_str;
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extern Expr *yy_expr;
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extern int yy_nsum, yy_ndiff;
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int yyparse(void);
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