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Added unit test for half to/from float.

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This commit is contained in:
Branimir Karadžić
2017-01-27 21:01:49 -08:00
parent 00194bb294
commit ac5770bf5b
1 changed files with 42 additions and 23 deletions
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65
tests/uint32_test.cpp
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@@ -6,47 +6,66 @@
#include "test.h"
#include <bx/uint32_t.h>
TEST(StrideAlign)
TEST_CASE("StrideAlign")
{
CHECK(0 == bx::strideAlign(0, 12) );
REQUIRE(0 == bx::strideAlign(0, 12) );
for (uint32_t ii = 0; ii < 12; ++ii)
{
CHECK(12 == bx::strideAlign(ii+1, 12) );
REQUIRE(12 == bx::strideAlign(ii+1, 12) );
}
CHECK(0 == bx::strideAlign16(0, 12) );
REQUIRE(0 == bx::strideAlign16(0, 12) );
for (uint32_t ii = 0; ii < 12; ++ii)
{
CHECK(48 == bx::strideAlign16(ii+1, 12) );
REQUIRE(48 == bx::strideAlign16(ii+1, 12) );
}
}
TEST(uint32_cnt)
TEST_CASE("uint32_cnt")
{
CHECK( 0 == bx::uint32_cnttz(UINT32_C(1) ) );
CHECK( 0 == bx::uint32_cnttz_ref(UINT32_C(1) ) );
REQUIRE( 0 == bx::uint32_cnttz(UINT32_C(1) ) );
REQUIRE( 0 == bx::uint32_cnttz_ref(UINT32_C(1) ) );
CHECK(31 == bx::uint32_cntlz(UINT32_C(1) ) );
CHECK(31 == bx::uint32_cntlz_ref(UINT32_C(1) ) );
REQUIRE(31 == bx::uint32_cntlz(UINT32_C(1) ) );
REQUIRE(31 == bx::uint32_cntlz_ref(UINT32_C(1) ) );
CHECK( 0 == bx::uint64_cnttz(UINT64_C(1) ) );
CHECK( 0 == bx::uint64_cnttz_ref(UINT64_C(1) ) );
REQUIRE( 0 == bx::uint64_cnttz(UINT64_C(1) ) );
REQUIRE( 0 == bx::uint64_cnttz_ref(UINT64_C(1) ) );
CHECK(63 == bx::uint64_cntlz(UINT64_C(1) ) );
CHECK(63 == bx::uint64_cntlz_ref(UINT64_C(1) ) );
REQUIRE(63 == bx::uint64_cntlz(UINT64_C(1) ) );
REQUIRE(63 == bx::uint64_cntlz_ref(UINT64_C(1) ) );
CHECK( 1 == bx::uint32_cntbits(1) );
CHECK( 1 == bx::uint32_cntbits_ref(1) );
REQUIRE( 1 == bx::uint32_cntbits(1) );
REQUIRE( 1 == bx::uint32_cntbits_ref(1) );
CHECK(16 == bx::uint32_cntbits(UINT16_MAX) );
CHECK(16 == bx::uint32_cntbits_ref(UINT16_MAX) );
REQUIRE(16 == bx::uint32_cntbits(UINT16_MAX) );
REQUIRE(16 == bx::uint32_cntbits_ref(UINT16_MAX) );
CHECK(32 == bx::uint32_cntbits(UINT32_MAX) );
CHECK(32 == bx::uint32_cntbits_ref(UINT32_MAX) );
REQUIRE(32 == bx::uint32_cntbits(UINT32_MAX) );
REQUIRE(32 == bx::uint32_cntbits_ref(UINT32_MAX) );
}
TEST(uint32_part)
TEST_CASE("uint32_part")
{
CHECK(UINT32_C(0x55555555) == bx::uint32_part1by1(UINT16_MAX) );
CHECK(UINT32_C(0x09249249) == bx::uint32_part1by2(0x3ff) );
REQUIRE(UINT32_C(0x55555555) == bx::uint32_part1by1(UINT16_MAX) );
REQUIRE(UINT32_C(0x09249249) == bx::uint32_part1by2(0x3ff) );
}
TEST_CASE("halfTo/FromFloat", "")
{
for (uint32_t ii = 0; ii < 0x7c00; ++ii)
{
const uint16_t orig = uint16_t(ii);
const float htf = bx::halfToFloat(orig);
const uint16_t hff = bx::halfFromFloat(htf);
REQUIRE(orig == hff);
}
for (uint32_t ii = 0x8000; ii < 0xfc00; ++ii)
{
const uint16_t orig = uint16_t(ii);
const float htf = bx::halfToFloat(orig);
const uint16_t hff = bx::halfFromFloat(htf);
REQUIRE(orig == hff);
}
}