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Added functions to test FP numerals for special values.

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This commit is contained in:
Christoph M. Wintersteiger 2016-10-17 13:31:07 +01:00
parent 6b474adc8a
commit 89d38385db
3 changed files with 160 additions and 0 deletions
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4
src/ast/fpa_decl_plugin.h
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@ -288,11 +288,15 @@ public:
app * mk_nzero(sort * s) { return mk_nzero(get_ebits(s), get_sbits(s)); }
bool is_nan(expr * n) { scoped_mpf v(fm()); return is_numeral(n, v) && fm().is_nan(v); }
bool is_inf(expr * n) { scoped_mpf v(fm()); return is_numeral(n, v) && fm().is_inf(v); }
bool is_pinf(expr * n) { scoped_mpf v(fm()); return is_numeral(n, v) && fm().is_pinf(v); }
bool is_ninf(expr * n) { scoped_mpf v(fm()); return is_numeral(n, v) && fm().is_ninf(v); }
bool is_zero(expr * n) { scoped_mpf v(fm()); return is_numeral(n, v) && fm().is_zero(v); }
bool is_pzero(expr * n) { scoped_mpf v(fm()); return is_numeral(n, v) && fm().is_pzero(v); }
bool is_nzero(expr * n) { scoped_mpf v(fm()); return is_numeral(n, v) && fm().is_nzero(v); }
bool is_normal(expr * n) { scoped_mpf v(fm()); return is_numeral(n, v) && fm().is_normal(v); }
bool is_subnormal(expr * n) { scoped_mpf v(fm()); return is_numeral(n, v) && fm().is_denormal(v); }
bool is_positive(expr * n) { scoped_mpf v(fm()); return is_numeral(n, v) && fm().is_pos(v); }
app * mk_fp(expr * sgn, expr * exp, expr * sig) {
SASSERT(m_bv_util.is_bv(sgn) && m_bv_util.get_bv_size(sgn) == 1);