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feat(big): add InsertLowPart

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fallenoak 2023-02-01 22:12:20 -06:00
parent 5d875631a6
commit 2b8cc51ad8
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3 changed files with 32 additions and 0 deletions
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26
test/Big.cpp
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@ -263,6 +263,32 @@ TEST_CASE("HighBitPos", "[big]") {
}
}
TEST_CASE("InsertLowPart", "[big]") {
SECTION("inserts low part 0xABCD1111 into value 0") {
uint64_t value = 0;
uint32_t low = 0xABCD1111;
InsertLowPart(value, low);
CHECK(value == 0xABCD1111);
}
SECTION("inserts low part 0xABCD1111 into value 0xCCCCCCCC") {
uint64_t value = 0xCCCCCCCC;
uint32_t low = 0xABCD1111;
InsertLowPart(value, low);
CHECK(value == 0xCCCCCCCCABCD1111);
}
SECTION("inserts low part 0x12345678 into value 0xA0B1C2D3E4F5A6B7") {
uint64_t value = 0xA0B1C2D3E4F5A6B7;
uint32_t low = 0x12345678;
InsertLowPart(value, low);
CHECK(value == 0xE4F5A6B712345678);
}
}
TEST_CASE("Mul", "[big]") {
SECTION("multiplies 0 and 1") {
BigData* a;