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Fix formatting of 0.0 with (#1210)

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This commit is contained in:
Victor Zverovich 2019-06-30 06:54:41 -07:00
parent 9d97201ede
commit 260c115908
2 changed files with 2 additions and 1 deletions
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2
include/fmt/format-inl.h
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@ -685,7 +685,7 @@ FMT_API bool grisu_format(Double value, buffer<char>& buf, int precision,
FMT_ASSERT(value >= 0, "value is negative"); FMT_ASSERT(value >= 0, "value is negative");
bool fixed = (options & grisu_options::fixed) != 0; bool fixed = (options & grisu_options::fixed) != 0;
if (value <= 0) { // <= instead of == to silence a warning. if (value <= 0) { // <= instead of == to silence a warning.
if (precision < 0 || !fixed) { if (precision <= 0 || !fixed) {
exp = 0; exp = 0;
buf.push_back('0'); buf.push_back('0');
} else { } else {

1
test/format-test.cc
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@ -1452,6 +1452,7 @@ TEST(FormatterTest, FormatDouble) {
} }
TEST(FormatterTest, PrecisionRounding) { TEST(FormatterTest, PrecisionRounding) {
EXPECT_EQ("0", format("{:.0f}", 0.0));
EXPECT_EQ("0", format("{:.0f}", 0.1)); EXPECT_EQ("0", format("{:.0f}", 0.1));
EXPECT_EQ("0.000", format("{:.3f}", 0.00049)); EXPECT_EQ("0.000", format("{:.3f}", 0.00049));
EXPECT_EQ("0.001", format("{:.3f}", 0.0005)); EXPECT_EQ("0.001", format("{:.3f}", 0.0005));