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Handle negative exponent and rename value/pow10 to numerator/denominator

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This commit is contained in:
Victor Zverovich
2019-10-13 11:36:21 -07:00
parent f7a5748fd3
commit 1cbc5fa6cb
4 changed files with 127 additions and 67 deletions
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9
test/format-impl-test.cc
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@@ -87,16 +87,19 @@ TEST(BigIntTest, ShiftLeft) {
TEST(BigIntTest, Multiply) {
bigint n(0x42);
EXPECT_THROW(n *= 0, assertion_failure);
n *= 1;
EXPECT_EQ("42", fmt::format("{}", n));
n *= 2;
EXPECT_EQ("84", fmt::format("{}", n));
n *= 0x12345678;
EXPECT_EQ("962fc95e0", fmt::format("{}", n));
auto max = max_value<uint32_t>();
bigint bigmax(max);
bigmax *= max;
bigint bigmax(max_value<uint32_t>());
bigmax *= max_value<uint32_t>();
EXPECT_EQ("fffffffe00000001", fmt::format("{}", bigmax));
bigmax.assign(max_value<uint64_t>());
bigmax *= max_value<uint64_t>();
EXPECT_EQ("fffffffffffffffe0000000000000001", fmt::format("{}", bigmax));
}
TEST(BigIntTest, Accumulator) {

9
test/grisu-test.cc
View File

@@ -55,3 +55,12 @@ TEST(GrisuTest, Prettify) {
}
TEST(GrisuTest, ZeroPrecision) { EXPECT_EQ("1", fmt::format("{:.0}", 1.0)); }
TEST(GrisuTest, Fallback) {
EXPECT_EQ("1e+23", fmt::format("{}", 1e23));
EXPECT_EQ("9e-265", fmt::format("{}", 9e-265));
EXPECT_EQ("5.423717798060526e+125",
fmt::format("{}", 5.423717798060526e+125));
EXPECT_EQ("1.372371880954233e-288",
fmt::format("{}", 1.372371880954233e-288));
}