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Fix more code broken by Numpy 2.4. #1300

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Merged
copybara-service merged 1 commit into from
Feb 17, 2026
Merged

Fix more code broken by Numpy 2.4. #1300

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10 changes: 5 additions & 5 deletions vizier/_src/benchmarks/experimenters/synthetic/bbob.py
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Original file line number Diff line number Diff line change
Expand Up @@ -300,7 +300,7 @@ def Ellipsoidal(arr: np.ndarray, seed: int = 0) -> float:
del seed
dim = len(arr)
arr.shape = (dim, 1)
z_vec = ArrayMap(arr, Tosz)
z_vec = np.squeeze(ArrayMap(arr, Tosz))
s = 0.0
for i in range(dim):
exp = 6.0 * i / (dim - 1) if dim > 1 else 6.0
Expand Down Expand Up @@ -565,7 +565,7 @@ def Gallagher21Me(arr: np.ndarray, seed: int = 0) -> float:
for i in range(num_optima):
w = 10 if i == 0 else (1.1 + 8.0 * (i - 1.0) / (num_optima - 2.0))
diff = np.matmul(rotation, arr - optima_list[i])
e = np.matmul(diff.transpose(), np.matmul(c_list[i], diff))
e = np.squeeze(np.matmul(diff.transpose(), np.matmul(c_list[i], diff)))
max_value = max(max_value, w * math.exp(-float(e) / (2.0 * dim)))

return Tosz(10.0 - max_value)**2 + Fpen(arr)
Expand All @@ -578,7 +578,7 @@ def NegativeSphere(arr: np.ndarray, seed: int = 0) -> float:
"""Implementation for BBOB Sphere function."""
dim = len(arr)
arr.shape = (dim, 1)
z = np.matmul(_R(dim, seed, b"R"), arr)
z = np.squeeze(np.matmul(_R(dim, seed, b"R"), arr))
return float(100 + np.sum(z * z) - 2 * (z[0]**2))


Expand All @@ -589,8 +589,8 @@ def NegativeMinDifference(arr: np.ndarray, seed: int = 0) -> float:
z = np.matmul(_R(dim, seed, b"R"), arr)
min_difference = 10000
for i in range(len(z) - 1):
min_difference = min(min_difference, z[i + 1] - z[i])
return 10.0 - float(min_difference) + 1e-8 * float(sum(arr))
min_difference = np.squeeze(min(min_difference, z[i + 1] - z[i]))
return 10.0 - float(min_difference) + 1e-8 * float(np.squeeze(sum(arr)))


def FonsecaFleming(arr: np.ndarray, seed: int = 0) -> float:
Expand Down
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