[Rafael-SOWNet]

#2304 made max and min defined only where both arguments are real, so max(i, i), and max(x, x) at a complex x, have no value. The compiled forms didn't follow. FastExpression and the LINQ compiler over Complex share RealOnly.Ordered, which returned an argument equal to the other before it asked whether either was real. The interpreter used to do the same. The check for a non-real argument now comes first.

at x = 0.5 + 1.2i	evaluated	compiled, 2.6.0 and master	now
max(x, x)	NaN	<0.5; 1.2>	<NaN; NaN>
min(x, x)	NaN	<0.5; 1.2>	<NaN; NaN>
max(x, x) * 2	NaN	<1; 2.4>	<NaN; NaN>

• Found by work/compilesweep. On its default 3000 expressions it lists 112 findings on master and 93 here. The 19 that go are all max or min at a complex point, and none is added. The max/min findings that remain have other causes: a 1e-16 imaginary part left by rounding, Im of NaN, 0 mod x at a complex x.
• Real arguments are unchanged. The BREAKING-CHANGES.md entry for DomainCondition disagrees with the value for five nodes #2256 gains the compiled row.
• The three new cases fail on master. The suite, the trio, F#, AOT and the eight harnesses pass.

Follows #2304, for #2256.

🤖 Generated with Claude Code

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 86.76%. Comparing base (a1fb7ae) to head (54176ca).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2311      +/-   ##
==========================================
- Coverage   86.77%   86.76%   -0.01%     
==========================================
  Files         311      311              
  Lines       68199    68199              
  Branches    19821    19821              
==========================================
- Hits        59178    59175       -3     
- Misses       4880     4882       +2     
- Partials     4141     4142       +1     

Flag	Coverage Δ
cpp	37.77% <ø> (ø)
csharp	87.31% <100.00%> (-0.01%)	⬇️
fsharp	32.97% <ø> (ø)
interactive	40.72% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
...rces/AngouriMath/Functions/Compilation/RealOnly.cs	100.00% <100.00%> (ø)

... and 6 files with indirect coverage changes

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