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Fix small number rounding with fixed precision in grisu
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@ -604,6 +604,7 @@ struct fixed_handler {
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// Check if precision is satisfied just by leading zeros, e.g.
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// format("{:.2f}", 0.001) gives "0.00" without generating any digits.
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if (precision > 0) return digits::more;
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if (precision < 0) return digits::done;
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auto dir = get_round_direction(divisor, remainder, error);
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if (dir == unknown) return digits::error;
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buf[size++] = dir == up ? '1' : '0';
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@ -40,6 +40,7 @@ TEST(GrisuTest, Zero) { EXPECT_EQ("0.0", fmt::format("{}", 0.0)); }
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TEST(GrisuTest, Round) {
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EXPECT_EQ("1.9156918820264798e-56",
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fmt::format("{}", 1.9156918820264798e-56));
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EXPECT_EQ("0.0000", fmt::format("{:.4f}", 7.2809479766055470e-15));
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}
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TEST(GrisuTest, Prettify) {
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