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c960dc2a4c
### What problem does this PR solve? Refine handling of POST /api/v1/datasets/search in GO ### Type of change - [x] Refactoring
46 lines
1.6 KiB
Go
46 lines
1.6 KiB
Go
//
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// Copyright 2026 The InfiniFlow Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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//go:build !cgo
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package common
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import "math"
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// PyLog10 returns log10(x) using Go's pure-Go math implementation.
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//
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// The cgo build of this package (see libm_cgo.go) routes through glibc's
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// log10 to match Python's math.log10 bit-exactly. That build is
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// preferred for the scoring paths that compare results against Python
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// reference output. This fallback is provided so that internal/common
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// — and the entrypoints that import it — remain buildable with
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// CGO_ENABLED=0 (and other constrained cross-compilation setups that
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// can't link -lm). Results may differ from Python's math.log10 by up
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// to 1 ULP on some inputs; this is acceptable for non-strict-parity
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// builds.
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func PyLog10(x float64) float64 {
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return math.Log10(x)
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}
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// PySqrt returns sqrt(x) using Go's pure-Go math implementation.
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//
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// Provided as a counterpart to PyLog10 for the !cgo build. Go's
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// math.Sqrt is a correctly-rounded implementation; PySqrt exists for
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// API symmetry with the cgo build.
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func PySqrt(x float64) float64 {
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return math.Sqrt(x)
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}
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