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fix(ga): Suppress divide-by-zero warning in NumPy solver #17

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jono merged 1 commits from v0.4.1-dev into main 2025-10-27 16:26:58 +00:00
Conversation 0 Commits 1 Files Changed 2 +5 -3
2 changed files with 5 additions and 3 deletions
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2
pyproject.toml
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@@ -5,7 +5,7 @@ build-backend = "setuptools.build_meta"
[project]
# --- Core Metadata ---
name = "polysolve"
version = "0.4.0"
version = "0.4.1"
authors = [
{ name="Jonathan Rampersad", email="jonathan@jono-rams.work" },
]

6
src/polysolve/__init__.py
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@@ -295,7 +295,8 @@ class Function:
y_calculated = np.polyval(self.coefficients, solutions)
error = y_calculated - y_val
ranks = np.where(error == 0, np.finfo(float).max, np.abs(1.0 / error))
with np.errstate(divide='ignore'):
ranks = np.where(error == 0, np.finfo(float).max, np.abs(1.0 / error))
# Sort solutions by fitness (descending)
sorted_indices = np.argsort(-ranks)
@@ -345,7 +346,8 @@ class Function:
# After all generations, do one last ranking to find the best solutions
y_calculated = np.polyval(self.coefficients, solutions)
error = y_calculated - y_val
ranks = np.where(error == 0, np.finfo(float).max, np.abs(1.0 / error))
with np.errstate(divide='ignore'):
ranks = np.where(error == 0, np.finfo(float).max, np.abs(1.0 / error))
sorted_indices = np.argsort(-ranks)
# Get the top 'sample_size' solutions the user asked for