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authorStefan Boberg <[email protected]>2023-05-02 10:01:47 +0200
committerGitHub <[email protected]>2023-05-02 10:01:47 +0200
commit075d17f8ada47e990fe94606c3d21df409223465 (patch)
treee50549b766a2f3c354798a54ff73404217b4c9af /zencore/intmath.cpp
parentfix: bundle shouldn't append content zip to zen (diff)
downloadzen-075d17f8ada47e990fe94606c3d21df409223465.tar.xz
zen-075d17f8ada47e990fe94606c3d21df409223465.zip
moved source directories into `/src` (#264)
* moved source directories into `/src` * updated bundle.lua for new `src` path * moved some docs, icon * removed old test trees
Diffstat (limited to 'zencore/intmath.cpp')
-rw-r--r--zencore/intmath.cpp65
1 files changed, 0 insertions, 65 deletions
diff --git a/zencore/intmath.cpp b/zencore/intmath.cpp
deleted file mode 100644
index 5a686dc8e..000000000
--- a/zencore/intmath.cpp
+++ /dev/null
@@ -1,65 +0,0 @@
-// Copyright Epic Games, Inc. All Rights Reserved.
-
-#include <zencore/endian.h>
-#include <zencore/intmath.h>
-
-#include <zencore/testing.h>
-
-namespace zen {
-
-//////////////////////////////////////////////////////////////////////////
-//
-// Testing related code follows...
-//
-
-#if ZEN_WITH_TESTS
-
-void
-intmath_forcelink()
-{
-}
-
-TEST_CASE("intmath")
-{
- CHECK(FloorLog2(0x00) == 0);
- CHECK(FloorLog2(0x01) == 0);
- CHECK(FloorLog2(0x0f) == 3);
- CHECK(FloorLog2(0x10) == 4);
- CHECK(FloorLog2(0x11) == 4);
- CHECK(FloorLog2(0x12) == 4);
- CHECK(FloorLog2(0x22) == 5);
- CHECK(FloorLog2(0x0001'0000) == 16);
- CHECK(FloorLog2(0x0001'000f) == 16);
- CHECK(FloorLog2(0x8000'0000) == 31);
-
- CHECK(FloorLog2_64(0x00ull) == 0);
- CHECK(FloorLog2_64(0x01ull) == 0);
- CHECK(FloorLog2_64(0x0full) == 3);
- CHECK(FloorLog2_64(0x10ull) == 4);
- CHECK(FloorLog2_64(0x11ull) == 4);
- CHECK(FloorLog2_64(0x0001'0000ull) == 16);
- CHECK(FloorLog2_64(0x0001'000full) == 16);
- CHECK(FloorLog2_64(0x8000'0000ull) == 31);
- CHECK(FloorLog2_64(0x0000'0001'0000'0000ull) == 32);
- CHECK(FloorLog2_64(0x8000'0000'0000'0000ull) == 63);
-
- CHECK(CountLeadingZeros64(0x8000'0000'0000'0000ull) == 0);
- CHECK(CountLeadingZeros64(0x0000'0000'0000'0000ull) == 64);
- CHECK(CountLeadingZeros64(0x0000'0000'0000'0001ull) == 63);
- CHECK(CountLeadingZeros64(0x0000'0000'8000'0000ull) == 32);
- CHECK(CountLeadingZeros64(0x0000'0001'0000'0000ull) == 31);
-
- CHECK(CountTrailingZeros64(0x8000'0000'0000'0000ull) == 63);
- CHECK(CountTrailingZeros64(0x0000'0000'0000'0000ull) == 64);
- CHECK(CountTrailingZeros64(0x0000'0000'0000'0001ull) == 0);
- CHECK(CountTrailingZeros64(0x0000'0000'8000'0000ull) == 31);
- CHECK(CountTrailingZeros64(0x0000'0001'0000'0000ull) == 32);
-
- CHECK(ByteSwap(uint16_t(0x6d72)) == 0x726d);
- CHECK(ByteSwap(uint32_t(0x2741'3965)) == 0x6539'4127);
- CHECK(ByteSwap(uint64_t(0x214d'6172'7469'6e21ull)) == 0x216e'6974'7261'4d21ull);
-}
-
-#endif
-
-} // namespace zen