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// RUN: %llvmgxx -I../../../include -g -fno-exceptions -emit-llvm -O0 -c -o %t.bc %s
// RUN: %klee --libc=klee --no-output --exit-on-error %t.bc > %t.log
// RUN: grep -q powl\(-11\\.0,0\)=1\\.0\\+ %t.log
// RUN: grep -q powl\(-11\\.0,1\)=-11\\.0\\+ %t.log
// RUN: grep -q powl\(-11\\.0,2\)=121\\.0\\+ %t.log
// RUN: grep -q 1/0=inf %t.log
// RUN: grep -q 1/-1=-1\\.0\\+ %t.log
// RUN: grep -q 1/-2=-0\\.50\\+ %t.log
#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <cassert>
#include "klee/klee.h"
unsigned klee_urange(unsigned start, unsigned end) {
unsigned x;
klee_make_symbolic(&x, sizeof x, "x");
if (x-start>=end-start) klee_silent_exit(0);
return x;
}
int main(int argc, char ** argv)
{
int a = klee_urange(0,3);
int b;
// fork states
switch(a) {
case 0:
b = -0;
break;
case 1:
b = -1;
break;
case 2:
b = -2;
break;
default:
assert(false && "Impossible switch target");
}
// test 80-bit external dispatch
long double d = powl((long double)-11.0, (long double)a);
// FIXME: Use CHECK-DAG: with FileCheck tool
// CHECK-DAG: powl(-11.0,0)=1.0
// CHECK-DAG: powl(-11.0,1)=-11.0
// CHECK-DAG: powl(-11.0,2)=121.0
printf("powl(-11.0,%d)=%Lf\n", a, d);
// test 80-bit fdiv
long double e = (long double) 1 / (long double) b;
// CHECK-DAG: 1/0=inf
// CHECK-DAG: 1/1-1=-1.0
// CHECK-DAG: 1/-2=-0.50
printf("1/%d=%Lf\n", b, e);
return 0;
}
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