function and return NULL if it is non-numeric as the documentation says
it should.
[bugs:/info/2026-10-18T05:05:18Z|Bug 2026-10-18T05:05:18Z]
FossilOrigin-Name: a99e577b951fa38fcdff3693072c2f78e546be6a1c187b648f043b499a06768e
internal exprNodeCanReturnSubtype() routine so that it works with
zero-argument deterministic functions like pi().
FossilOrigin-Name: a2511c6223a08033a2c5c66faee3afa50b992dc18de7a8498c8e3d24ce1376cc
from being carried through into sub-builds. Adjust test cases to account
for new floating-point differences discovered when --with-tcl was fixed.
FossilOrigin-Name: b8f81351914deac99b14be6bb5e4096c1efed9bdb057750825760f09dae04656