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perf: replacing slices with arrays on LUT tables

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esimov
2022-11-24 12:30:05 +02:00
parent 84684113d7
commit 89122affbd
2 changed files with 4 additions and 4 deletions
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4
core/pigo.go
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@@ -153,8 +153,8 @@ func (pg *Pigo) classifyRotatedRegion(r, c, s, treeDepth int, a float64, nrows,
out float32
)
qCosTable := []int{256, 251, 236, 212, 181, 142, 97, 49, 0, -49, -97, -142, -181, -212, -236, -251, -256, -251, -236, -212, -181, -142, -97, -49, 0, 49, 97, 142, 181, 212, 236, 251, 256}
qSinTable := []int{0, 49, 97, 142, 181, 212, 236, 251, 256, 251, 236, 212, 181, 142, 97, 49, 0, -49, -97, -142, -181, -212, -236, -251, -256, -251, -236, -212, -181, -142, -97, -49, 0}
qCosTable := [...]int{256, 251, 236, 212, 181, 142, 97, 49, 0, -49, -97, -142, -181, -212, -236, -251, -256, -251, -236, -212, -181, -142, -97, -49, 0, 49, 97, 142, 181, 212, 236, 251, 256}
qSinTable := [...]int{0, 49, 97, 142, 181, 212, 236, 251, 256, 251, 236, 212, 181, 142, 97, 49, 0, -49, -97, -142, -181, -212, -236, -251, -256, -251, -236, -212, -181, -142, -97, -49, 0}
qsin := s * qSinTable[int(32.0*a)] //s*(256.0*math.Sin(2*math.Pi*a))
qcos := s * qCosTable[int(32.0*a)] //s*(256.0*math.Cos(2*math.Pi*a))

4
core/puploc.go
View File

@@ -160,8 +160,8 @@ func (plc *PuplocCascade) classifyRotatedRegion(r, c, s float32, a float64, tree
root int
)
qCosTable := []float32{256, 251, 236, 212, 181, 142, 97, 49, 0, -49, -97, -142, -181, -212, -236, -251, -256, -251, -236, -212, -181, -142, -97, -49, 0, 49, 97, 142, 181, 212, 236, 251, 256}
qSinTable := []float32{0, 49, 97, 142, 181, 212, 236, 251, 256, 251, 236, 212, 181, 142, 97, 49, 0, -49, -97, -142, -181, -212, -236, -251, -256, -251, -236, -212, -181, -142, -97, -49, 0}
qCosTable := [...]float32{256, 251, 236, 212, 181, 142, 97, 49, 0, -49, -97, -142, -181, -212, -236, -251, -256, -251, -236, -212, -181, -142, -97, -49, 0, 49, 97, 142, 181, 212, 236, 251, 256}
qSinTable := [...]float32{0, 49, 97, 142, 181, 212, 236, 251, 256, 251, 236, 212, 181, 142, 97, 49, 0, -49, -97, -142, -181, -212, -236, -251, -256, -251, -236, -212, -181, -142, -97, -49, 0}
qsin := s * qSinTable[int(32.0*a)] //s*(256.0*math.Sin(2*math.Pi*a))
qcos := s * qCosTable[int(32.0*a)] //s*(256.0*math.Cos(2*math.Pi*a))