32 #include "gtest/gtest.h" 38 TEST(mul128, handles_zero)
42 lo = mul128(0, 0, &hi);
46 lo = mul128(7, 0, &hi);
50 lo = mul128(0, 7, &hi);
55 TEST(mul128, handles_one)
59 lo = mul128(1, 1, &hi);
63 lo = mul128(7, 1, &hi);
67 lo = mul128(1, 7, &hi);
72 TEST(mul128_without_carry, multiplies_correctly)
76 lo = mul128(0x3333333333333333, 5, &hi);
80 lo = mul128(5, 0x3333333333333333, &hi);
84 lo = mul128(0x1111111111111111, 0x1111111111111111, &hi);
89 TEST(mul128_with_carry_1_only, multiplies_correctly)
93 lo = mul128(0xe0000000e0000000, 0xe0000000e0000000, &hi);
98 TEST(mul128_with_carry_2_only, multiplies_correctly)
102 lo = mul128(0x10000000ffffffff, 0x10000000ffffffff, &hi);
107 TEST(mul128_with_carry_1_and_2, multiplies_correctly)
111 lo = mul128(0xf1f2f3f4f5f6f7f8, 0xf9f0fafbfcfdfeff, &hi);
115 lo = mul128(0xffffffffffffffff, 0xffffffffffffffff, &hi);
120 TEST(div128_32, handles_zero)
126 reminder = div128_32(0, 0, 7, &hi, &lo);
134 TEST(div128_32, handles_one)
140 reminder = div128_32(0, 7, 1, &hi, &lo);
145 reminder = div128_32(7, 0, 1, &hi, &lo);
151 TEST(div128_32, handles_if_dividend_less_divider)
157 reminder = div128_32(0, 1383746, 1645825, &hi, &lo);
163 TEST(div128_32, handles_if_dividend_dwords_less_divider)
169 reminder = div128_32(0x5AD629E441074F28, 0x0DBCAB2B231081F1, 0xFE735CD6, &hi, &lo);
175 TEST(div128_32, works_correctly)
181 reminder = div128_32(2, 0, 2, &hi, &lo);
186 reminder = div128_32(0xffffffffffffffff, 0, 0xffffffff, &hi, &lo);
191 reminder = div128_32(0xffffffffffffffff, 5846, 0xffffffff, &hi, &lo);
196 reminder = div128_32(0xffffffffffffffff - 1, 0, 0xffffffff, &hi, &lo);
201 reminder = div128_32(0x2649372534875028, 0xaedbfedc5adbc739, 0x27826534, &hi, &lo);
#define TEST(test_case_name, test_name)
#define ASSERT_EQ(val1, val2)
unsigned __int64 uint64_t