LCOV - code coverage report
Current view: top level - buildbot/coverage/build/src/theory/arith - arith_evaluator.cpp (source / functions) Hit Total Coverage
Test: coverage.info Lines: 11 11 100.0 %
Date: 2026-03-15 10:41:23 Functions: 1 1 100.0 %
Branches: 6 6 100.0 %

           Branch data     Line data    Source code
       1                 :            : /******************************************************************************
       2                 :            :  * This file is part of the cvc5 project.
       3                 :            :  *
       4                 :            :  * Copyright (c) 2009-2026 by the authors listed in the file AUTHORS
       5                 :            :  * in the top-level source directory and their institutional affiliations.
       6                 :            :  * All rights reserved.  See the file COPYING in the top-level source
       7                 :            :  * directory for licensing information.
       8                 :            :  * ****************************************************************************
       9                 :            :  *
      10                 :            :  * Arithmetic evaluator.
      11                 :            :  */
      12                 :            : #include "theory/arith/arith_evaluator.h"
      13                 :            : 
      14                 :            : #include "theory/arith/nl/poly_conversion.h"
      15                 :            : #include "theory/rewriter.h"
      16                 :            : #include "theory/theory.h"
      17                 :            : #include "util/real_algebraic_number.h"
      18                 :            : 
      19                 :            : namespace cvc5::internal {
      20                 :            : namespace theory {
      21                 :            : namespace arith {
      22                 :            : 
      23                 :    1627862 : std::optional<bool> isExpressionZero(Env& env,
      24                 :            :                                      Node expr,
      25                 :            :                                      const ArithSubs& subs,
      26                 :            :                                      bool traverseNlMult)
      27                 :            : {
      28                 :            :   // Substitute constants and rewrite
      29                 :    1627862 :   expr = env.getRewriter()->rewrite(expr);
      30         [ +  + ]:    1627862 :   if (expr.isConst())
      31                 :            :   {
      32                 :     628785 :     return expr.getConst<Rational>().isZero();
      33                 :            :   }
      34                 :            :   // we use an arithmetic substitution, which does not traverse into
      35                 :            :   // terms that do not belong to the core theory of arithmetic.
      36                 :     999077 :   expr = subs.applyArith(expr, traverseNlMult);
      37                 :     999077 :   expr = env.getRewriter()->rewrite(expr);
      38         [ +  + ]:     999077 :   if (expr.isConst())
      39                 :            :   {
      40                 :     997485 :     return expr.getConst<Rational>().isZero();
      41                 :            :   }
      42         [ +  + ]:       1592 :   if (expr.getKind() == Kind::REAL_ALGEBRAIC_NUMBER)
      43                 :            :   {
      44                 :          4 :     return expr.getOperator().getConst<RealAlgebraicNumber>().isZero();
      45                 :            :   }
      46                 :       1588 :   return std::nullopt;
      47                 :            : }
      48                 :            : 
      49                 :            : }  // namespace arith
      50                 :            : }  // namespace theory
      51                 :            : }  // namespace cvc5::internal

Generated by: LCOV version 1.14