Added unit test for half to/from float.

tests/uint32_test.cpp

@@ -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);
+	}
 }