const image/jpeg.r2
5 uses
image/jpeg (current package)
idct.go#L59: r2 = 181 // 256/sqrt(2)
idct.go#L126: x2 = (r2*(x4+x5) + 128) >> 8
idct.go#L127: x4 = (r2*(x4-x5) + 128) >> 8
idct.go#L181: y2 = (r2*(y4+y5) + 128) >> 8
idct.go#L182: y4 = (r2*(y4-y5) + 128) >> 8
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