These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 0.98 s (backtrack: 0/20).

[ebuild  N     ] dev-cpp/tlfloat-1.17.1_p20250711::gentoo  USE="-test" 264 KiB
[ebuild  N     ] dev-libs/sleef-3.9.0::gentoo  USE="-test" 1766 KiB

Total: 2 packages (2 new), Size of downloads: 2029 KiB