Import Upstream version 0.4

1 files changed, 48 insertions, 0 deletions

diff --git a/expr.h b/expr.h
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+++ b/expr.h
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+/*
+ *    HardInfo - Displays System Information
+ *    Copyright (C) 2003-2006 Leandro A. F. Pereira <leandro@linuxmag.com.br>
+ *
+ *    This program is free software; you can redistribute it and/or modify
+ *    it under the terms of the GNU General Public License as published by
+ *    the Free Software Foundation, version 2.
+ *
+ *    This program 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 General Public License for more details.
+ *
+ *    You should have received a copy of the GNU General Public License
+ *    along with this program; if not, write to the Free Software
+ *    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+#ifndef __EXPR_H__
+#define __EXPR_H__
+
+typedef struct _MathToken MathToken;
+
+typedef enum {
+    TOKEN_OPERATOR,
+    TOKEN_VARIABLE,
+    TOKEN_VALUE
+} MathTokenType;
+
+struct _MathToken {
+    union {
+	gfloat	value;
+	gchar	op;
+    } val;
+    MathTokenType type;
+};
+
+#define math_postfix_free math_infix_free
+
+GSList	*math_infix_to_postfix(GSList *infix);
+void	 math_infix_free(GSList *infix, gboolean free_tokens);
+
+GSList	*math_string_to_infix(gchar *string);
+GSList	*math_string_to_postfix(gchar *string);
+
+gfloat	 math_postfix_eval(GSList *postfix, gfloat at_value);
+gfloat	 math_string_eval(gchar *string, gfloat at_value);
+
+#endif	/* __EXPR_H__ */