mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-05-08 00:05:46 +00:00
Code Activity

Add support for abs (absolute value) function in theory arith (it is part of the SMT-LIB 2.0 standard)

Browse source 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2013-02-03 15:28:56 -08:00
parent 490905e320
commit c4f762028f
6 changed files with 31 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

9
src/ast/arith_decl_plugin.cpp
View file

@ -194,6 +194,9 @@ void arith_decl_plugin::set_manager(ast_manager * m, family_id id) {
MK_OP(m_r_power_decl, "^", OP_POWER, r);
MK_OP(m_i_power_decl, "^", OP_POWER, i);
MK_UNARY(m_i_abs_decl, "abs", OP_ABS, i);
MK_UNARY(m_r_abs_decl, "abs", OP_ABS, r);
MK_UNARY(m_sin_decl, "sin", OP_SIN, r);
MK_UNARY(m_cos_decl, "cos", OP_COS, r);
MK_UNARY(m_tan_decl, "tan", OP_TAN, r);
@ -263,6 +266,8 @@ arith_decl_plugin::arith_decl_plugin():
m_is_int_decl(0),
m_r_power_decl(0),
m_i_power_decl(0),
m_r_abs_decl(0),
m_i_abs_decl(0),
m_sin_decl(0),
m_cos_decl(0),
m_tan_decl(0),
@ -320,6 +325,8 @@ void arith_decl_plugin::finalize() {
DEC_REF(m_is_int_decl);
DEC_REF(m_i_power_decl);
DEC_REF(m_r_power_decl);
DEC_REF(m_i_abs_decl);
DEC_REF(m_r_abs_decl);
DEC_REF(m_sin_decl);
DEC_REF(m_cos_decl);
DEC_REF(m_tan_decl);
@ -372,6 +379,7 @@ inline func_decl * arith_decl_plugin::mk_func_decl(decl_kind k, bool is_real) {
case OP_TO_INT: return m_to_int_decl;
case OP_IS_INT: return m_is_int_decl;
case OP_POWER: return is_real ? m_r_power_decl : m_i_power_decl;
case OP_ABS: return is_real ? m_r_abs_decl : m_i_abs_decl;
case OP_SIN: return m_sin_decl;
case OP_COS: return m_cos_decl;
case OP_TAN: return m_tan_decl;
@ -538,6 +546,7 @@ void arith_decl_plugin::get_op_names(svector<builtin_name>& op_names, symbol con
op_names.push_back(builtin_name("to_real",OP_TO_REAL));
op_names.push_back(builtin_name("to_int",OP_TO_INT));
op_names.push_back(builtin_name("is_int",OP_IS_INT));
op_names.push_back(builtin_name("abs", OP_ABS));
if (logic == symbol::null) {
op_names.push_back(builtin_name("^", OP_POWER));
op_names.push_back(builtin_name("sin", OP_SIN));