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FPA: added is_nan

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Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
This commit is contained in:
Christoph M. Wintersteiger 2013-06-07 18:34:31 +01:00
parent d7639557d2
commit 455618bb2b
7 changed files with 24 additions and 0 deletions
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5
src/tactic/fpa/fpa2bv_converter.cpp
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@ -1621,6 +1621,11 @@ void fpa2bv_converter::mk_is_pzero(func_decl * f, unsigned num, expr * const * a
m_simp.mk_and(a0_is_pos, a0_is_zero, result);
}
void fpa2bv_converter::mk_is_nan(func_decl * f, unsigned num, expr * const * args, expr_ref & result) {
SASSERT(num == 1);
mk_is_nan(args[0], result);
}
void fpa2bv_converter::mk_is_inf(func_decl * f, unsigned num, expr * const * args, expr_ref & result) {
SASSERT(num == 1);
mk_is_inf(args[0], result);

1
src/tactic/fpa/fpa2bv_converter.h
View file

@ -116,6 +116,7 @@ public:
void mk_is_nzero(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
void mk_is_pzero(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
void mk_is_sign_minus(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
void mk_is_nan(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
void mk_is_inf(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
void mk_is_normal(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
void mk_is_subnormal(func_decl * f, unsigned num, expr * const * args, expr_ref & result);

1
src/tactic/fpa/fpa2bv_rewriter.h
View file

@ -132,6 +132,7 @@ struct fpa2bv_rewriter_cfg : public default_rewriter_cfg {
case OP_FLOAT_IS_ZERO: m_conv.mk_is_zero(f, num, args, result); return BR_DONE;
case OP_FLOAT_IS_NZERO: m_conv.mk_is_nzero(f, num, args, result); return BR_DONE;
case OP_FLOAT_IS_PZERO: m_conv.mk_is_pzero(f, num, args, result); return BR_DONE;
case OP_FLOAT_IS_NAN: m_conv.mk_is_nan(f, num, args, result); return BR_DONE;
case OP_FLOAT_IS_INF: m_conv.mk_is_inf(f, num, args, result); return BR_DONE;
case OP_FLOAT_IS_NORMAL: m_conv.mk_is_normal(f, num, args, result); return BR_DONE;
case OP_FLOAT_IS_SUBNORMAL: m_conv.mk_is_subnormal(f, num, args, result); return BR_DONE;