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/* run.config*
OPT: -eva @EVA_CONFIG@ -warn-special-float non-finite
OPT: -eva @EVA_CONFIG@ -warn-special-float nan
OPT: -eva @EVA_CONFIG@ -warn-special-float none
*/
/*@
assigns \result \from x;
behavior normal:
assumes domain_arg: \is_plus_infinity(x) || (\is_finite(x) && x >= 1.);
ensures finite_result: \is_finite(\result);
ensures positive_result: \result >= 0.;
behavior negative:
assumes negative_arg: \is_minus_infinity(x) || (\is_finite(x) && x < 0.);
ensures nan_result: \is_NaN(\result);
behavior infinite:
assumes small_arg: \is_finite(x) && x >= 0. && x < 1.;
ensures infinite_result: \is_plus_infinity(\result);
behavior nan:
assumes nan_arg: \is_NaN(x);
ensures nan_result: \is_NaN(\result);
complete behaviors;
disjoint behaviors;
*/
extern double fun(double x);
/*@
behavior normal:
assumes domain_arg: \is_plus_infinity(x) || (\is_finite(x) && x >= 1.);
assigns \result \from x;
ensures finite_result: \is_finite(\result);
ensures positive_result: \result >= 0.;
behavior negative:
assumes negative_arg: \is_minus_infinity(x) || (\is_finite(x) && x < 0.);
assigns \result \from x;
ensures nan_result: \is_NaN(\result);
behavior infinite:
assumes small_arg: \is_finite(x) && x >= 0. && x < 1.;
assigns \result \from x;
ensures infinite_result: \is_plus_infinity(\result);
behavior nan:
assumes nan_arg: \is_NaN(x);
assigns \result \from x;
ensures nan_result: \is_NaN(\result);
complete behaviors;
disjoint behaviors;
*/
extern double fun_no_default(double x);
/*@
assigns \result \from x;
behavior normal:
assumes domain_arg: \is_plus_infinity(x) || (\is_finite(x) && x >= 1.);
ensures finite_result: \is_finite(\result);
ensures positive_result: \result >= 0.;
behavior negative:
assumes negative_arg: \is_minus_infinity(x) || (\is_finite(x) && x < 0.);
ensures nan_result: \is_NaN(\result);
behavior infinite:
assumes small_arg: \is_finite(x) && x >= 0. && x < 1.;
ensures infinite_result: \is_plus_infinity(\result);
behavior nan:
assumes nan_arg: \is_NaN(x);
ensures nan_result: \is_NaN(\result);
complete behaviors;
*/
extern double fun_no_disjoint(double x);
/*@
assigns \result \from x;
behavior normal:
assumes domain_arg: \is_plus_infinity(x) || (\is_finite(x) && x >= 1.);
ensures finite_result: \is_finite(\result);
ensures positive_result: \result >= 0.;
behavior negative:
assumes negative_arg: \is_minus_infinity(x) || (\is_finite(x) && x < 0.);
ensures nan_result: \is_NaN(\result);
behavior infinite:
assumes small_arg: \is_finite(x) && x >= 0. && x < 1.;
ensures infinite_result: \is_plus_infinity(\result);
behavior nan:
assumes nan_arg: \is_NaN(x);
ensures nan_result: \is_NaN(\result);
disjoint behaviors;
*/
extern double fun_no_complete(double x);
volatile double v;
int main(){
double a = v;
double w = fun(a);
double b = v;
double x = fun_no_default(b); // no default behavior
double c = v;
double y = fun_no_disjoint(c); // no disjoint behaviors
double d = v;
double z = fun_no_complete(d); // no complete behaviors
}
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