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correct the formatting for positive numbers with negative exponents and add additional test #590

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Merged
merged 3 commits into from
Sep 9, 2025
+9 −4
Merged

correct the formatting for positive numbers with negative exponents and add additional test #590

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56ff0b5
correct the formatting for positive numbers with negative exponents a…
adrianmolzon Aug 28, 2025
006b979
add case for negative exponent truncation, add guard for the mantissa
adrianmolzon Aug 28, 2025
4df7b26
delete unnecessary else statement
adrianmolzon Sep 9, 2025
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2 changes: 1 addition & 1 deletion bayes_opt/logger.py
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Original file line number Diff line number Diff line change
Expand Up @@ -82,7 +82,7 @@ def _format_number(self, x: float) -> str:
result = ""
width = self._default_cell_size
# Keep negative sign, exponent, and as many decimal places as possible
if "-" in s:
if x < 0:
result += "-"
width -= 1
s = s[1:]
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4 changes: 4 additions & 0 deletions tests/test_logger.py
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Expand Up @@ -87,6 +87,10 @@ def test_format_number():
assert len(formatted) == logger._default_cell_size
assert formatted == "1.234e+13"

sci_float = 1.11111111e-5
formatted = logger._format_number(sci_float)
assert formatted == "1.111e-05"

# Test negative scientific notation truncation
sci_float = -12345678901234.5678901234
formatted = logger._format_number(sci_float)
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