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Merge branch 'unstable' of https://git01.codeplex.com/z3 into fpa-api

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Conflicts:
	scripts/mk_project.py
	src/api/z3.h
	src/ast/float_decl_plugin.cpp
	src/ast/float_decl_plugin.h
	src/ast/fpa/fpa2bv_converter.cpp
	src/ast/fpa/fpa2bv_rewriter.h
	src/ast/rewriter/float_rewriter.cpp
	src/ast/rewriter/float_rewriter.h

Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
This commit is contained in:
Christoph M. Wintersteiger 2014-11-11 11:53:39 +00:00
commit 8d3ef92383
240 changed files with 4848 additions and 2395 deletions
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6
src/ast/rewriter/float_rewriter.cpp
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@ -154,7 +154,7 @@ br_status float_rewriter::mk_add(expr * arg1, expr * arg2, expr * arg3, expr_ref
br_status float_rewriter::mk_sub(expr * arg1, expr * arg2, expr * arg3, expr_ref & result) {
// a - b = a + (-b)
result = m_util.mk_add(arg1, arg2, m_util.mk_uminus(arg3));
result = m_util.mk_add(arg1, arg2, m_util.mk_neg(arg3));
return BR_REWRITE2;
}
@ -204,7 +204,7 @@ br_status float_rewriter::mk_neg(expr * arg1, expr_ref & result) {
result = m_util.mk_plus_inf(m().get_sort(arg1));
return BR_DONE;
}
if (m_util.is_uminus(arg1)) {
if (m_util.is_neg(arg1)) {
// - - a --> a
result = to_app(arg1)->get_arg(0);
return BR_DONE;
@ -239,7 +239,7 @@ br_status float_rewriter::mk_abs(expr * arg1, expr_ref & result) {
return BR_DONE;
}
result = m().mk_ite(m_util.mk_is_sign_minus(arg1),
m_util.mk_uminus(arg1),
m_util.mk_neg(arg1),
arg1);
return BR_REWRITE2;
}