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FPA updates and bugfixes

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Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
This commit is contained in:
Christoph M. Wintersteiger 2014-10-18 13:42:28 +01:00
parent 4610acca0f
commit 7af410e6d6
10 changed files with 308 additions and 188 deletions
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12
src/api/api_fpa.cpp
View file

@ -121,6 +121,16 @@ extern "C" {
Z3_CATCH_RETURN(0);
}
Z3_ast Z3_API Z3_mk_fpa_zero(Z3_context c, Z3_sort s, Z3_bool negative) {
Z3_TRY;
LOG_Z3_mk_fpa_inf(c, s, negative);
RESET_ERROR_CODE();
api::context * ctx = mk_c(c);
Z3_ast r = of_ast(negative != 0 ? ctx->float_util().mk_nzero(to_sort(s)) : ctx->float_util().mk_pzero(to_sort(s)));
RETURN_Z3(r);
Z3_CATCH_RETURN(0);
}
Z3_ast Z3_API Z3_mk_fpa_double(Z3_context c, double v, Z3_sort ty) {
Z3_TRY;
LOG_Z3_mk_fpa_double(c, v, ty);
@ -361,7 +371,7 @@ extern "C" {
LOG_Z3_mk_fpa_to_ieee_bv(c, t);
RESET_ERROR_CODE();
api::context * ctx = mk_c(c);
Z3_ast r = of_ast(ctx->float_util().mk_to_ieee_bv(to_expr(t)));
Z3_ast r = of_ast(ctx->float_util().mk_float_to_ieee_bv(to_expr(t)));
RETURN_Z3(r);
Z3_CATCH_RETURN(0);
}

33
src/api/z3_fpa.h
View file

@ -109,12 +109,25 @@ extern "C" {
\param s target sort
\param negative indicates whether the result should be negative
When \c negative is true, -Inf will be generated instead of +Inf.
When \c negative is true, -oo will be generated instead of +oo.
def_API('Z3_mk_fpa_inf', AST, (_in(CONTEXT),_in(SORT),_in(BOOL)))
*/
Z3_ast Z3_API Z3_mk_fpa_inf(__in Z3_context c, __in Z3_sort s, __in Z3_bool negative);
/**
\brief Create a floating point zero of sort s.
\param c logical context.
\param s target sort
\param negative indicates whether the result should be negative
When \c negative is true, -zero will be generated instead of +zero.
def_API('Z3_mk_fpa_zero', AST, (_in(CONTEXT),_in(SORT),_in(BOOL)))
*/
Z3_ast Z3_API Z3_mk_fpa_zero(__in Z3_context c, __in Z3_sort s, __in Z3_bool negative);
/**
\brief Create a numeral of floating point sort.
@ -133,6 +146,24 @@ extern "C" {
*/
Z3_ast Z3_API Z3_mk_fpa_double(__in Z3_context c, __in double v, __in Z3_sort ty);
/**
\brief Create a numeral of floating point sort.
This function can be use to create numerals that fit in a double value.
It is slightly faster than #Z3_mk_numeral since it is not necessary to parse a string.
\params c logical context.
\params v value.
\params ty sort.
ty must be a floating point sort
\sa Z3_mk_numeral
def_API('Z3_mk_fpa_double', AST, (_in(CONTEXT), _in(DOUBLE), _in(SORT)))
*/
Z3_ast Z3_API Z3_mk_fpa_double(__in Z3_context c, __in double v, __in Z3_sort ty);
/**
\brief Floating-point absolute value