mirror of
https://github.com/g-truc/glm.git
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548 lines
12 KiB
C++
548 lines
12 KiB
C++
#include <glm/ext/vector_integer.hpp>
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#include <glm/ext/scalar_int_sized.hpp>
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#include <glm/ext/scalar_uint_sized.hpp>
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#include <vector>
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#include <ctime>
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#include <cstdio>
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namespace isPowerOfTwo
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{
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template<typename genType>
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struct type
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{
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genType Value;
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bool Return;
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};
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template <glm::length_t L>
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int test_int16()
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{
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type<glm::int16> const Data[] =
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{
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{ 0x0001, true },
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{ 0x0002, true },
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{ 0x0004, true },
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{ 0x0080, true },
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{ 0x0000, true },
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{ 0x0003, false }
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};
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int Error = 0;
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for (std::size_t i = 0, n = sizeof(Data) / sizeof(type<glm::int16>); i < n; ++i)
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{
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glm::vec<L, bool> const Result = glm::isPowerOfTwo(glm::vec<L, glm::int16>(Data[i].Value));
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Error += glm::vec<L, bool>(Data[i].Return) == Result ? 0 : 1;
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}
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return Error;
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}
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template <glm::length_t L>
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int test_uint16()
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{
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type<glm::uint16> const Data[] =
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{
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{ 0x0001, true },
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{ 0x0002, true },
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{ 0x0004, true },
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{ 0x0000, true },
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{ 0x0000, true },
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{ 0x0003, false }
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};
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int Error = 0;
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for (std::size_t i = 0, n = sizeof(Data) / sizeof(type<glm::uint16>); i < n; ++i)
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{
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glm::vec<L, bool> const Result = glm::isPowerOfTwo(glm::vec<L, glm::uint16>(Data[i].Value));
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Error += glm::vec<L, bool>(Data[i].Return) == Result ? 0 : 1;
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}
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return Error;
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}
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template <glm::length_t L>
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int test_int32()
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{
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type<int> const Data[] =
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{
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{ 0x00000001, true },
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{ 0x00000002, true },
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{ 0x00000004, true },
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{ 0x0000000f, false },
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{ 0x00000000, true },
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{ 0x00000003, false }
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};
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int Error = 0;
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for (std::size_t i = 0, n = sizeof(Data) / sizeof(type<int>); i < n; ++i)
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{
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glm::vec<L, bool> const Result = glm::isPowerOfTwo(glm::vec<L, glm::int32>(Data[i].Value));
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Error += glm::vec<L, bool>(Data[i].Return) == Result ? 0 : 1;
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}
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return Error;
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}
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template <glm::length_t L>
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int test_uint32()
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{
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type<glm::uint> const Data[] =
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{
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{ 0x00000001, true },
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{ 0x00000002, true },
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{ 0x00000004, true },
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{ 0x80000000, true },
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{ 0x00000000, true },
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{ 0x00000003, false }
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};
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int Error = 0;
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for (std::size_t i = 0, n = sizeof(Data) / sizeof(type<glm::uint>); i < n; ++i)
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{
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glm::vec<L, bool> const Result = glm::isPowerOfTwo(glm::vec<L, glm::uint32>(Data[i].Value));
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Error += glm::vec<L, bool>(Data[i].Return) == Result ? 0 : 1;
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}
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return Error;
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}
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int test()
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{
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int Error = 0;
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Error += test_int16<1>();
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Error += test_int16<2>();
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Error += test_int16<3>();
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Error += test_int16<4>();
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Error += test_uint16<1>();
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Error += test_uint16<2>();
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Error += test_uint16<3>();
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Error += test_uint16<4>();
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Error += test_int32<1>();
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Error += test_int32<2>();
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Error += test_int32<3>();
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Error += test_int32<4>();
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Error += test_uint32<1>();
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Error += test_uint32<2>();
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Error += test_uint32<3>();
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Error += test_uint32<4>();
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return Error;
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}
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}//isPowerOfTwo
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namespace prevPowerOfTwo
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{
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template <glm::length_t L, typename T>
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int run()
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{
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int Error = 0;
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glm::vec<L, T> const A = glm::prevPowerOfTwo(glm::vec<L, T>(7));
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Error += A == glm::vec<L, T>(4) ? 0 : 1;
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glm::vec<L, T> const B = glm::prevPowerOfTwo(glm::vec<L, T>(15));
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Error += B == glm::vec<L, T>(8) ? 0 : 1;
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glm::vec<L, T> const C = glm::prevPowerOfTwo(glm::vec<L, T>(31));
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Error += C == glm::vec<L, T>(16) ? 0 : 1;
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glm::vec<L, T> const D = glm::prevPowerOfTwo(glm::vec<L, T>(32));
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Error += D == glm::vec<L, T>(32) ? 0 : 1;
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return Error;
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}
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int test()
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{
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int Error = 0;
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Error += run<1, glm::int8>();
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Error += run<2, glm::int8>();
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Error += run<3, glm::int8>();
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Error += run<4, glm::int8>();
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Error += run<1, glm::int16>();
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Error += run<2, glm::int16>();
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Error += run<3, glm::int16>();
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Error += run<4, glm::int16>();
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Error += run<1, glm::int32>();
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Error += run<2, glm::int32>();
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Error += run<3, glm::int32>();
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Error += run<4, glm::int32>();
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Error += run<1, glm::int64>();
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Error += run<2, glm::int64>();
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Error += run<3, glm::int64>();
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Error += run<4, glm::int64>();
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Error += run<1, glm::uint8>();
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Error += run<2, glm::uint8>();
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Error += run<3, glm::uint8>();
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Error += run<4, glm::uint8>();
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Error += run<1, glm::uint16>();
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Error += run<2, glm::uint16>();
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Error += run<3, glm::uint16>();
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Error += run<4, glm::uint16>();
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Error += run<1, glm::uint32>();
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Error += run<2, glm::uint32>();
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Error += run<3, glm::uint32>();
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Error += run<4, glm::uint32>();
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Error += run<1, glm::uint64>();
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Error += run<2, glm::uint64>();
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Error += run<3, glm::uint64>();
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Error += run<4, glm::uint64>();
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return Error;
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}
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}//namespace prevPowerOfTwo
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namespace nextPowerOfTwo
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{
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template <glm::length_t L, typename T>
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int run()
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{
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int Error = 0;
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glm::vec<L, T> const A = glm::nextPowerOfTwo(glm::vec<L, T>(7));
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Error += A == glm::vec<L, T>(8) ? 0 : 1;
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glm::vec<L, T> const B = glm::nextPowerOfTwo(glm::vec<L, T>(15));
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Error += B == glm::vec<L, T>(16) ? 0 : 1;
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glm::vec<L, T> const C = glm::nextPowerOfTwo(glm::vec<L, T>(31));
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Error += C == glm::vec<L, T>(32) ? 0 : 1;
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glm::vec<L, T> const D = glm::nextPowerOfTwo(glm::vec<L, T>(32));
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Error += D == glm::vec<L, T>(32) ? 0 : 1;
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return Error;
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}
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int test()
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{
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int Error = 0;
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Error += run<1, glm::int8>();
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Error += run<2, glm::int8>();
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Error += run<3, glm::int8>();
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Error += run<4, glm::int8>();
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Error += run<1, glm::int16>();
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Error += run<2, glm::int16>();
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Error += run<3, glm::int16>();
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Error += run<4, glm::int16>();
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Error += run<1, glm::int32>();
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Error += run<2, glm::int32>();
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Error += run<3, glm::int32>();
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Error += run<4, glm::int32>();
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Error += run<1, glm::int64>();
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Error += run<2, glm::int64>();
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Error += run<3, glm::int64>();
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Error += run<4, glm::int64>();
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Error += run<1, glm::uint8>();
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Error += run<2, glm::uint8>();
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Error += run<3, glm::uint8>();
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Error += run<4, glm::uint8>();
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Error += run<1, glm::uint16>();
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Error += run<2, glm::uint16>();
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Error += run<3, glm::uint16>();
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Error += run<4, glm::uint16>();
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Error += run<1, glm::uint32>();
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Error += run<2, glm::uint32>();
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Error += run<3, glm::uint32>();
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Error += run<4, glm::uint32>();
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Error += run<1, glm::uint64>();
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Error += run<2, glm::uint64>();
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Error += run<3, glm::uint64>();
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Error += run<4, glm::uint64>();
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return Error;
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}
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}//namespace nextPowerOfTwo
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namespace prevMultiple
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{
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template<typename genIUType>
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struct type
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{
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genIUType Source;
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genIUType Multiple;
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genIUType Return;
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};
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template <glm::length_t L, typename T>
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int run()
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{
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type<T> const Data[] =
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{
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{ 8, 3, 6 },
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{ 7, 7, 7 }
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};
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int Error = 0;
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for (std::size_t i = 0, n = sizeof(Data) / sizeof(type<T>); i < n; ++i)
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{
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glm::vec<L, T> const Result0 = glm::prevMultiple(glm::vec<L, T>(Data[i].Source), Data[i].Multiple);
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Error += glm::vec<L, T>(Data[i].Return) == Result0 ? 0 : 1;
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glm::vec<L, T> const Result1 = glm::prevMultiple(glm::vec<L, T>(Data[i].Source), glm::vec<L, T>(Data[i].Multiple));
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Error += glm::vec<L, T>(Data[i].Return) == Result1 ? 0 : 1;
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}
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return Error;
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}
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int test()
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{
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int Error = 0;
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Error += run<1, glm::int8>();
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Error += run<2, glm::int8>();
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Error += run<3, glm::int8>();
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Error += run<4, glm::int8>();
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Error += run<1, glm::int16>();
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Error += run<2, glm::int16>();
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Error += run<3, glm::int16>();
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Error += run<4, glm::int16>();
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Error += run<1, glm::int32>();
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Error += run<2, glm::int32>();
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Error += run<3, glm::int32>();
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Error += run<4, glm::int32>();
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Error += run<1, glm::int64>();
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Error += run<2, glm::int64>();
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Error += run<3, glm::int64>();
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Error += run<4, glm::int64>();
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Error += run<1, glm::uint8>();
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Error += run<2, glm::uint8>();
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Error += run<3, glm::uint8>();
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Error += run<4, glm::uint8>();
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Error += run<1, glm::uint16>();
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Error += run<2, glm::uint16>();
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Error += run<3, glm::uint16>();
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Error += run<4, glm::uint16>();
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Error += run<1, glm::uint32>();
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Error += run<2, glm::uint32>();
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Error += run<3, glm::uint32>();
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Error += run<4, glm::uint32>();
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Error += run<1, glm::uint64>();
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Error += run<2, glm::uint64>();
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Error += run<3, glm::uint64>();
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Error += run<4, glm::uint64>();
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return Error;
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}
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}//namespace prevMultiple
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namespace nextMultiple
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{
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template<typename genIUType>
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struct type
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{
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genIUType Source;
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genIUType Multiple;
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genIUType Return;
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};
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template <glm::length_t L, typename T>
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int run()
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{
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type<T> const Data[] =
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{
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{ 3, 4, 4 },
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{ 6, 3, 6 },
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{ 5, 3, 6 },
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{ 7, 7, 7 },
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{ 0, 1, 0 },
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{ 8, 3, 9 }
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};
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int Error = 0;
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for (std::size_t i = 0, n = sizeof(Data) / sizeof(type<T>); i < n; ++i)
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{
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glm::vec<L, T> const Result0 = glm::nextMultiple(glm::vec<L, T>(Data[i].Source), glm::vec<L, T>(Data[i].Multiple));
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Error += glm::vec<L, T>(Data[i].Return) == Result0 ? 0 : 1;
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glm::vec<L, T> const Result1 = glm::nextMultiple(glm::vec<L, T>(Data[i].Source), Data[i].Multiple);
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Error += glm::vec<L, T>(Data[i].Return) == Result1 ? 0 : 1;
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}
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return Error;
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}
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int test()
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{
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int Error = 0;
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Error += run<1, glm::int8>();
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Error += run<2, glm::int8>();
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Error += run<3, glm::int8>();
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Error += run<4, glm::int8>();
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Error += run<1, glm::int16>();
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Error += run<2, glm::int16>();
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Error += run<3, glm::int16>();
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Error += run<4, glm::int16>();
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Error += run<1, glm::int32>();
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Error += run<2, glm::int32>();
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Error += run<3, glm::int32>();
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Error += run<4, glm::int32>();
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Error += run<1, glm::int64>();
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Error += run<2, glm::int64>();
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Error += run<3, glm::int64>();
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Error += run<4, glm::int64>();
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Error += run<1, glm::uint8>();
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Error += run<2, glm::uint8>();
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Error += run<3, glm::uint8>();
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Error += run<4, glm::uint8>();
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Error += run<1, glm::uint16>();
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Error += run<2, glm::uint16>();
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Error += run<3, glm::uint16>();
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Error += run<4, glm::uint16>();
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Error += run<1, glm::uint32>();
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Error += run<2, glm::uint32>();
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Error += run<3, glm::uint32>();
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Error += run<4, glm::uint32>();
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Error += run<1, glm::uint64>();
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Error += run<2, glm::uint64>();
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Error += run<3, glm::uint64>();
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Error += run<4, glm::uint64>();
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return Error;
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}
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}//namespace nextMultiple
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namespace findNSB
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{
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template<typename T>
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struct type
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{
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T Source;
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int SignificantBitCount;
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int Return;
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};
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template <glm::length_t L, typename T>
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int run()
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{
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type<T> const Data[] =
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{
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{ 0x00, 1,-1 },
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{ 0x01, 2,-1 },
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{ 0x02, 2,-1 },
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{ 0x06, 3,-1 },
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{ 0x01, 1, 0 },
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{ 0x03, 1, 0 },
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{ 0x03, 2, 1 },
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{ 0x07, 2, 1 },
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{ 0x05, 2, 2 },
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{ 0x0D, 2, 2 }
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};
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int Error = 0;
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for (std::size_t i = 0, n = sizeof(Data) / sizeof(type<T>); i < n; ++i)
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{
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glm::vec<L, int> const Result0 = glm::findNSB<L, T, glm::defaultp>(glm::vec<L, T>(Data[i].Source), glm::vec<L, int>(Data[i].SignificantBitCount));
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Error += glm::vec<L, int>(Data[i].Return) == Result0 ? 0 : 1;
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assert(!Error);
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}
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return Error;
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}
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int test()
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{
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int Error = 0;
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Error += run<1, glm::uint8>();
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Error += run<2, glm::uint8>();
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Error += run<3, glm::uint8>();
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Error += run<4, glm::uint8>();
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Error += run<1, glm::uint16>();
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Error += run<2, glm::uint16>();
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Error += run<3, glm::uint16>();
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Error += run<4, glm::uint16>();
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Error += run<1, glm::uint32>();
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Error += run<2, glm::uint32>();
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Error += run<3, glm::uint32>();
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Error += run<4, glm::uint32>();
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Error += run<1, glm::uint64>();
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Error += run<2, glm::uint64>();
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Error += run<3, glm::uint64>();
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Error += run<4, glm::uint64>();
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Error += run<1, glm::int8>();
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Error += run<2, glm::int8>();
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Error += run<3, glm::int8>();
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Error += run<4, glm::int8>();
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Error += run<1, glm::int16>();
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Error += run<2, glm::int16>();
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Error += run<3, glm::int16>();
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Error += run<4, glm::int16>();
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Error += run<1, glm::int32>();
|
|
Error += run<2, glm::int32>();
|
|
Error += run<3, glm::int32>();
|
|
Error += run<4, glm::int32>();
|
|
|
|
Error += run<1, glm::int64>();
|
|
Error += run<2, glm::int64>();
|
|
Error += run<3, glm::int64>();
|
|
Error += run<4, glm::int64>();
|
|
|
|
|
|
return Error;
|
|
}
|
|
}//namespace findNSB
|
|
|
|
int main()
|
|
{
|
|
int Error = 0;
|
|
|
|
Error += isPowerOfTwo::test();
|
|
Error += prevPowerOfTwo::test();
|
|
Error += nextPowerOfTwo::test();
|
|
Error += prevMultiple::test();
|
|
Error += nextMultiple::test();
|
|
Error += findNSB::test();
|
|
|
|
return Error;
|
|
}
|