//---------------------------------------------------------------------------
// @function:
// CCostTest::EresUnittest_Arithmetic
//
// @doc:
// Test arithmetic operations
//
//---------------------------------------------------------------------------
GPOS_RESULT
CCostTest::EresUnittest_Arithmetic()
{
CAutoMemoryPool amp;
IMemoryPool *mp = amp.Pmp();
CCost cost1(2.5);
CCost cost2(3.0);
CCost cost3(5.49);
CCost cost4(5.51);
CCost cost5(7.49);
CCost cost6(7.51);
CCost costAdd(cost1 + cost2);
CCost costMultiply(cost1 * cost2);
GPOS_ASSERT(costAdd > cost3);
GPOS_ASSERT(costAdd < cost4);
GPOS_ASSERT(costMultiply > cost5);
GPOS_ASSERT(costMultiply < cost6);
CAutoTrace at(mp);
IOstream &os(at.Os());
os << "Arithmetic operations: " << std::endl
<< cost1 << " + " << cost2 << " = " << costAdd << std::endl
<< cost1 << " * " << cost2 << " = " << costMultiply << std::endl;
return GPOS_OK;
}
static ERL_NIF_TERM cost5_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{
double x1,x2,x3,x4,x5,ret;
if (!enif_get_double(env, argv[0], &x1)) {
return enif_make_badarg(env);
}
if (!enif_get_double(env, argv[1], &x2)) {
return enif_make_badarg(env);
}
if (!enif_get_double(env, argv[2], &x3)) {
return enif_make_badarg(env);
}
if (!enif_get_double(env, argv[2], &x4)) {
return enif_make_badarg(env);
}
if (!enif_get_double(env, argv[2], &x5)) {
return enif_make_badarg(env);
}
ret = cost5(x1,x2,x3,x4,x5);
return enif_make_double(env, ret);
}
