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key/convert_double_to_nsdata.swift

Last active December 21, 2016 22:48
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Convert `Double` value to `NSData` in Swift
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convert_double_to_nsdata.swift
var x: Double = 0.99043125417
var length = sizeof(Double) // -> 8
var x_data = NSData(bytes: &x, length: length)
var buffer = [UInt8](count: sizeof(Double), repeatedValue: 0x00)
x_data.getBytes(&buffer, length: buffer.count)
print(buffer) // -> "[210, 21, 179, 226, 156, 177, 239, 63]\n"
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