mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-06-28 08:58:44 +00:00
Code Activity

Added functions to test FP numerals for special values.

Browse source
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
Download patch file Download diff file Expand all files Collapse all files

60
src/api/z3_fpa.h
View file

@ -822,6 +822,66 @@ extern "C" {
*/
unsigned Z3_API Z3_fpa_get_sbits(Z3_context c, Z3_sort s);
/**
\brief Checks whether a given floating-point numeral is a NaN.
\param c logical context
\param t a floating-point numeral
def_API('Z3_fpa_is_numeral_nan', AST, (_in(CONTEXT), _in(AST)))
*/
Z3_bool Z3_API Z3_fpa_is_numeral_nan(Z3_context c, Z3_ast t);
/**
\brief Checks whether a given floating-point numeral is a +oo or -oo.
\param c logical context
\param t a floating-point numeral
def_API('Z3_fpa_is_numeral_inf', AST, (_in(CONTEXT), _in(AST)))
*/
Z3_bool Z3_API Z3_fpa_is_numeral_inf(Z3_context c, Z3_ast t);
/**
\brief Checks whether a given floating-point numeral is +zero or -zero.
\param c logical context
\param t a floating-point numeral
def_API('Z3_fpa_is_numeral_zero', AST, (_in(CONTEXT), _in(AST)))
*/
Z3_bool Z3_API Z3_fpa_is_numeral_zero(Z3_context c, Z3_ast t);
/**
\brief Checks whether a given floating-point numeral is normal.
\param c logical context
\param t a floating-point numeral
def_API('Z3_fpa_is_numeral_normal', AST, (_in(CONTEXT), _in(AST)))
*/
Z3_bool Z3_API Z3_fpa_is_numeral_normal(Z3_context c, Z3_ast t);
/**
\brief Checks whether a given floating-point numeral is subnormal.
\param c logical context
\param t a floating-point numeral
def_API('Z3_fpa_is_numeral_subnormal', AST, (_in(CONTEXT), _in(AST)))
*/
Z3_bool Z3_API Z3_fpa_is_numeral_subnormal(Z3_context c, Z3_ast t);
/**
\brief Checks whether a given floating-point numeral is positive.
\param c logical context
\param t a floating-point numeral
def_API('Z3_fpa_is_numeral_positive', AST, (_in(CONTEXT), _in(AST)))
*/
Z3_bool Z3_API Z3_fpa_is_numeral_positive(Z3_context c, Z3_ast t);
/**
\brief Retrieves the sign of a floating-point literal as a bit-vector expression.