53 lines
1.3 KiB
C++
53 lines
1.3 KiB
C++
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/*
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* Copyright 2010-2016 Branimir Karadzic. All rights reserved.
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* License: https://github.com/bkaradzic/bx#license-bsd-2-clause
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*/
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#include "test.h"
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#include <bx/uint32_t.h>
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TEST(StrideAlign)
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{
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CHECK(0 == bx::strideAlign(0, 12) );
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for (uint32_t ii = 0; ii < 12; ++ii)
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{
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CHECK(12 == bx::strideAlign(ii+1, 12) );
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}
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CHECK(0 == bx::strideAlign16(0, 12) );
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for (uint32_t ii = 0; ii < 12; ++ii)
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{
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CHECK(48 == bx::strideAlign16(ii+1, 12) );
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}
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}
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TEST(uint32_cnt)
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{
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CHECK( 0 == bx::uint32_cnttz(UINT32_C(1) ) );
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CHECK( 0 == bx::uint32_cnttz_ref(UINT32_C(1) ) );
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CHECK(31 == bx::uint32_cntlz(UINT32_C(1) ) );
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CHECK(31 == bx::uint32_cntlz_ref(UINT32_C(1) ) );
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CHECK( 0 == bx::uint64_cnttz(UINT64_C(1) ) );
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CHECK( 0 == bx::uint64_cnttz_ref(UINT64_C(1) ) );
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CHECK(63 == bx::uint64_cntlz(UINT64_C(1) ) );
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CHECK(63 == bx::uint64_cntlz_ref(UINT64_C(1) ) );
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CHECK( 1 == bx::uint32_cntbits(1) );
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CHECK( 1 == bx::uint32_cntbits_ref(1) );
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CHECK(16 == bx::uint32_cntbits(UINT16_MAX) );
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CHECK(16 == bx::uint32_cntbits_ref(UINT16_MAX) );
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CHECK(32 == bx::uint32_cntbits(UINT32_MAX) );
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CHECK(32 == bx::uint32_cntbits_ref(UINT32_MAX) );
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}
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TEST(uint32_part)
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{
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CHECK(UINT32_C(0x55555555) == bx::uint32_part1by1(UINT16_MAX) );
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CHECK(UINT32_C(0x09249249) == bx::uint32_part1by2(0x3ff) );
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}
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