Visual studio type visualizer for half precision (16 bit) floating point values.

half.hpp

union FP16
{
    uint16 u;
    struct
    {
        uint16 Mantissa : 10;
        uint16 Exponent : 5;
        uint16 Sign : 1;
    };
};

struct half
{
    // Constructors, operators, etc... here

    FP16 fp16;
};

Half.natvis

<?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>
    </Type>
	
</AutoVisualizer>