md`# Float utils
需要实现：
- 单精度转半精度二进制形式：str toFloat16Bin(float32)
- 半精度二进制形式转单精度 float parseFloat16Bin(str)
`
toFloat16Bin(0.15625).match(/^(\d)(\d{5})(\d{10})$/).slice(1).join(' ')
parseFloat16Bin('0011000100000000')
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