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Cleanup bitwise ops.

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This commit is contained in:
Бранимир Караџић
2023-11-23 09:41:57 -08:00
parent 837de0582e
commit 08baf8fa64
6 changed files with 346 additions and 183 deletions
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55
tests/uint32_test.cpp
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@@ -28,61 +28,6 @@ TEST_CASE("StrideAlign", "[uint32_t]")
REQUIRE(offset == 48);
}
TEST_CASE("uint32_cnt", "[uint32_t]")
{
REQUIRE( 0 == bx::uint32_cnttz<uint8_t >(1) );
REQUIRE( 7 == bx::uint32_cnttz<uint8_t >(1<<7) );
REQUIRE( 8 == bx::uint32_cnttz<uint8_t >(0) );
REQUIRE( 1 == bx::uint32_cnttz<uint8_t >(0x3e) );
REQUIRE( 0 == bx::uint32_cnttz<uint16_t>(1) );
REQUIRE(15 == bx::uint32_cnttz<uint16_t>(1<<15) );
REQUIRE(16 == bx::uint32_cnttz<uint16_t>(0) );
REQUIRE( 0 == bx::uint32_cnttz<uint32_t>(1) );
REQUIRE(32 == bx::uint32_cnttz<uint32_t>(0) );
REQUIRE(31 == bx::uint32_cnttz<uint32_t>(1u<<31) );
REQUIRE( 0 == bx::uint32_cnttz<uint64_t>(1) );
REQUIRE(64 == bx::uint32_cnttz<uint64_t>(0) );
REQUIRE( 7 == bx::uint32_cntlz<uint8_t >(1) );
REQUIRE( 8 == bx::uint32_cntlz<uint8_t >(0) );
REQUIRE( 2 == bx::uint32_cntlz<uint8_t >(0x3e) );
REQUIRE(15 == bx::uint32_cntlz<uint16_t>(1) );
REQUIRE(16 == bx::uint32_cntlz<uint16_t>(0) );
REQUIRE(31 == bx::uint32_cntlz<uint32_t>(1) );
REQUIRE(32 == bx::uint32_cntlz<uint32_t>(0) );
REQUIRE(63 == bx::uint32_cntlz<uint64_t>(1) );
REQUIRE(64 == bx::uint32_cntlz<uint64_t>(0) );
REQUIRE( 0 == bx::uint32_cntbits(0) );
REQUIRE( 1 == bx::uint32_cntbits(1) );
REQUIRE( 4 == bx::uint32_cntbits<uint8_t>(0x55) );
REQUIRE( 8 == bx::uint32_cntbits<uint16_t>(0x5555) );
REQUIRE(16 == bx::uint32_cntbits<uint32_t>(0x55555555) );
REQUIRE(32 == bx::uint32_cntbits<uint64_t>(0x5555555555555555) );
REQUIRE( 8 == bx::uint32_cntbits(UINT8_MAX) );
REQUIRE(16 == bx::uint32_cntbits(UINT16_MAX) );
REQUIRE(32 == bx::uint32_cntbits(UINT32_MAX) );
REQUIRE(64 == bx::uint32_cntbits(UINT64_MAX) );
}
TEST_CASE("uint32_ffs", "[uint32_t]")
{
REQUIRE( 1 == bx::uint32_ffs<uint8_t >(1) );
REQUIRE( 8 == bx::uint32_ffs<uint8_t >(1<<7) );
REQUIRE( 0 == bx::uint32_ffs<uint8_t >(0) );
REQUIRE( 2 == bx::uint32_ffs<uint8_t >(0x3e) );
REQUIRE( 1 == bx::uint32_ffs<uint16_t>(1) );
REQUIRE(16 == bx::uint32_ffs<uint16_t>(1<<15) );
REQUIRE( 0 == bx::uint32_ffs<uint16_t>(0) );
REQUIRE( 1 == bx::uint32_ffs<uint32_t>(1) );
REQUIRE( 0 == bx::uint32_ffs<uint32_t>(0) );
REQUIRE(32 == bx::uint32_ffs<uint32_t>(1u<<31) );
REQUIRE( 1 == bx::uint32_ffs<uint64_t>(1) );
REQUIRE( 0 == bx::uint32_ffs<uint64_t>(0) );
}
TEST_CASE("uint32_part", "[uint32_t]")
{
REQUIRE(UINT32_C(0x55555555) == bx::uint32_part1by1(UINT16_MAX) );