Ludophonic

import lldb

# FP16 summary
def summary_FP16( valobj, internal_dict ):
    anon = valobj.GetChildAtIndex(1)
    m = anon.GetChildAtIndex(0).GetValueAsUnsigned()
    e = anon.GetChildAtIndex(1).GetValueAsUnsigned()
    s = anon.GetChildAtIndex(2).GetValueAsUnsigned()
    if e == 0:
        summary = "" if s == 0 else "-"

Ludophonic

<?xml version="1.0" encoding="utf-8"?>
<AutoVisualizer xmlns="http://schemas.microsoft.com/vstudio/debugger/natvis/2010">

    <Type Name="half">
        <DisplayString Condition = "fp16.Exponent == 0">{(0.00006103515625f * fp16.Mantissa/1024.0f)}</DisplayString>
        <DisplayString Condition = "fp16.Exponent == 31 &amp;&amp; fp16.Mantissa == 0">{fp16.Sign*-2+1}.#INFINITY</DisplayString>
        <DisplayString Condition = "fp16.Exponent == 31">#NaN</DisplayString>
        <DisplayString Condition = "fp16.Exponent &lt; 15">{1.0f / (1 &lt;&lt; (15 - fp16.Exponent)) * (fp16.Sign*-2+1.0f) * (1.0f + fp16.Mantissa/1024.0f)}</DisplayString>
        <DisplayString Condition = "fp16.Exponent &gt; 15">{(1 &lt;&lt; (fp16.Exponent-15)) * (fp16.Sign*-2+1.0f) * (1.0f + fp16.Mantissa/1024.0f)}</DisplayString>
        <DisplayString>{(fp16.Sign*-2+1) * 1.0f + fp16.Mantissa/1024.0f}</DisplayString>