69 lines
1.3 KiB
C++
69 lines
1.3 KiB
C++
#include <testFunction.h>
|
|
#include "halfFunction.h"
|
|
#include <iostream>
|
|
#include <assert.h>
|
|
|
|
|
|
using namespace std;
|
|
|
|
namespace {
|
|
|
|
|
|
float
|
|
divideByTwo (float x)
|
|
{
|
|
return x / 2;
|
|
}
|
|
|
|
|
|
struct timesN
|
|
{
|
|
timesN (float n): n (n) {}
|
|
float operator () (float x) {return x * n;}
|
|
float n;
|
|
};
|
|
|
|
|
|
} // namespace
|
|
|
|
|
|
void
|
|
testFunction ()
|
|
{
|
|
cout << "halfFunction<T>\n";
|
|
|
|
halfFunction <float> d2 (divideByTwo);
|
|
|
|
assert (d2 (0) == 0);
|
|
assert (d2 (2) == 1);
|
|
assert (d2 (-2) == -1);
|
|
assert (d2 (HALF_MAX) == HALF_MAX / 2);
|
|
assert (d2 (-HALF_MAX) == -HALF_MAX / 2);
|
|
assert (d2 (half::posInf()) == 0);
|
|
assert (d2 (half::negInf()) == 0);
|
|
assert (d2 (half::qNan()) == 0);
|
|
|
|
halfFunction <half> t5 (timesN (5), // function
|
|
0, HALF_MAX / 8, // domain
|
|
-1, // default value
|
|
half::posInf(), // posInfValue
|
|
half::negInf(), // negInfValue
|
|
half::qNan()); // nanValue
|
|
|
|
assert (t5 (0) == 0);
|
|
assert (t5 (2) == 10);
|
|
assert (t5 (-2) == -1);
|
|
assert (t5 (HALF_MAX) == -1);
|
|
assert (t5 (-HALF_MAX) == -1);
|
|
|
|
assert ( t5(half::posInf()).isInfinity());
|
|
assert (!t5(half::posInf()).isNegative());
|
|
|
|
assert (t5(half::negInf()).isInfinity());
|
|
assert (t5(half::negInf()).isNegative());
|
|
|
|
assert (t5(half::qNan()).isNan());
|
|
|
|
cout << "ok\n\n" << flush;
|
|
}
|