github.com/vc42/parquet-go@v0.0.0-20240320194221-1a9adb5f23f5/sparse/gather.go (about)

     1  package sparse
     2  
     3  import "unsafe"
     4  
     5  func GatherInt32(dst []int32, src Int32Array) int {
     6  	return GatherUint32(*(*[]uint32)(unsafe.Pointer(&dst)), src.Uint32Array())
     7  }
     8  
     9  func GatherInt64(dst []int64, src Int64Array) int {
    10  	return GatherUint64(*(*[]uint64)(unsafe.Pointer(&dst)), src.Uint64Array())
    11  }
    12  
    13  func GatherFloat32(dst []float32, src Float32Array) int {
    14  	return GatherUint32(*(*[]uint32)(unsafe.Pointer(&dst)), src.Uint32Array())
    15  }
    16  
    17  func GatherFloat64(dst []float64, src Float64Array) int {
    18  	return GatherUint64(*(*[]uint64)(unsafe.Pointer(&dst)), src.Uint64Array())
    19  }
    20  
    21  func GatherBits(dst []byte, src Uint8Array) int { return gatherBits(dst, src) }
    22  
    23  func GatherUint32(dst []uint32, src Uint32Array) int { return gather32(dst, src) }
    24  
    25  func GatherUint64(dst []uint64, src Uint64Array) int { return gather64(dst, src) }
    26  
    27  func GatherUint128(dst [][16]byte, src Uint128Array) int { return gather128(dst, src) }
    28  
    29  func min(a, b int) int {
    30  	if a < b {
    31  		return a
    32  	}
    33  	return b
    34  }