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Reorganizing the code

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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2012-10-20 22:03:58 -07:00
parent 2b8fb6c718
commit 492484c5aa
125 changed files with 632 additions and 390 deletions
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50
lib/expr_stat.h
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/*++
Copyright (c) 2006 Microsoft Corporation
Module Name:
expr_stat.h
Abstract:
Expression statistics (symbol count, var count, depth, ...)
All functions in these module assume expressions do not contain
nested quantifiers.
Author:
Leonardo de Moura (leonardo) 2008-02-05.
Revision History:
--*/
#ifndef _EXPR_STAT_H_
#define _EXPR_STAT_H_
class expr;
struct expr_stat {
unsigned m_sym_count; // symbol count
unsigned m_depth; // depth
unsigned m_const_count; // constant count
unsigned m_max_var_idx;
bool m_ground;
expr_stat():m_sym_count(0), m_depth(0), m_const_count(0), m_max_var_idx(0), m_ground(true) {}
};
/**
\brief Collect statistics regarding the given expression.
\warning This function traverses the dag as a tree.
*/
void get_expr_stat(expr * n, expr_stat & r);
/**
\brief Return the number of symbols in \c n.
\warning This function traverses the dag as a tree.
*/
unsigned get_symbol_count(expr * n);
#endif /* _EXPR_STAT_H_ */