55 lines
2.2 KiB
C++
55 lines
2.2 KiB
C++
#include <cstdlib>
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#include <limits>
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#include "../debug.hpp"
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#include "../range.hpp"
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using namespace std;
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using namespace util;
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int
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main (int, char **) {
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// Check some simple cases close to the edges of a unit range. Tests float rounding.
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CHECK_HARD ( range<double>::UNIT.contains ( 0.0));
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CHECK_HARD ( range<double>::UNIT.contains ( 0.5));
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CHECK_HARD ( range<double>::UNIT.contains ( 1.0));
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CHECK_HARD ( range<double>::UNIT.contains (std::numeric_limits<double>::min ()));
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CHECK_HARD (!range<double>::UNIT.contains (-0.00001));
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CHECK_HARD (!range<double>::UNIT.contains ( 1.00001));
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// Check edge cases of unit with integer values
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CHECK_HARD ( range<uint16_t>::UNIT.contains (0));
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CHECK_HARD ( range<uint16_t>::UNIT.contains (1));
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CHECK_HARD (!range<uint16_t>::UNIT.contains (2));
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CHECK_HARD (!range<uint16_t>::UNIT.contains (numeric_limits <uint16_t>::max ()));
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// Check the inclusivity of UNLIMITED with special floating values
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CHECK_HARD ( range<double>::UNLIMITED.contains (0.0));
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CHECK_HARD ( range<double>::UNLIMITED.contains (+numeric_limits<double>::infinity ()));
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CHECK_HARD ( range<double>::UNLIMITED.contains (-numeric_limits<double>::infinity ()));
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CHECK_HARD (!range<double>::UNLIMITED.contains ( numeric_limits<double>::quiet_NaN ()));
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// Check the inclusivity of UNLIMITED with some large numbers
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CHECK_HARD ( range<uint16_t>::UNLIMITED.contains (numeric_limits<uint16_t>::min()));
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CHECK_HARD ( range<uint16_t>::UNLIMITED.contains (numeric_limits<uint16_t>::max()));
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// Check inclusivity of MAX
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CHECK_HARD (!range<double>::MAX.contains ( numeric_limits<double>::infinity ()));
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CHECK_HARD (!range<double>::MAX.contains (-numeric_limits<double>::infinity ()));
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CHECK_HARD ( range<uint16_t>::MAX.contains (numeric_limits<uint16_t>::min()));
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CHECK_HARD ( range<uint16_t>::MAX.contains (numeric_limits<uint16_t>::max()));
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// Check that expansion via NaN is a noop
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{
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range<double> initial_nan (numeric_limits<double>::quiet_NaN (),
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numeric_limits<double>::quiet_NaN ());
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initial_nan.expand (1.0);
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CHECK_EQ (initial_nan.min, 1.0);
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CHECK_EQ (initial_nan.max, 1.0);
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}
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return EXIT_SUCCESS;
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}
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