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#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;
}
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