我从套接字处理数据并成功将数据转换为Int和Floats:
let float = data.withUnsafeBytes { $0.pointee } as Float
一切正常,直到一台iPhone 6 Plus似乎使用Big Endian获取数据。
我能够毫不费力地转换Int:
let uint32 = UInt32(littleEndian: data.withUnsafeBytes { $0.pointee })
let int = Int(uint32)
不幸的是,我似乎无法弄清楚如何转换浮点数据。
答案 0 :(得分:0)
一种可能的解决方案是先将数据读入32位整数,然后转换 字节序,最后用。创建浮点数 相同的位模式:
let uint32 = UInt32(bigEndian: data.withUnsafeBytes { $0.pointee })
let float = Float(bitPattern: uint32)
示例:
// IEEE-754 big-endian representation of 1.5:
let data = Data(bytes: [0x3f, 0xc0, 0x00, 0x00])
print(data as NSData)
let uint32 = UInt32(bigEndian: data.withUnsafeBytes { $0.pointee })
let float = Float(bitPattern: uint32)
print(float) // 1.5