[arpitjain099]

Follow-up to #3395, same copy-paste in the layer underneath. parse passes the target's own bit size to strconv for every sized type except float32, which parses at 64 and then narrows with a Go conversion:

case float32:
    val, err = strconv.ParseFloat(s, 64)
    val = float32(val.(float64))

A conversion has no error channel, so input outside float32's range is accepted with err == nil and stored as ±Inf. int16, uint16, int32 and float64 all reject out-of-range input, so float32 is the odd one out rather than a deliberate choice.

ParseFloat(s, 32) returns the nearest float32 widened to float64, so line 96 still works. It also only tightens the overflow case: strconv returns ErrRange on overflow and not on underflow, so 1e-50 still parses to 0, and 3.4e38 just under the max still parses.

Four rows added to TestParse. 1e39 and -3.5e38 fail on main, where they currently come back as +Inf and -Inf with no error. The foo and 1e-50 rows pass either way. go test ./configmap/... is green.

Worth saying plainly: nothing in tree calls As[float32] today, same as AsUint64 when #3395 went in, so this is a fix to a supported exported type rather than to a live bug.

AI assistance was used on this change and is disclosed in the commit trailer.

[knative-prow]

Hi @arpitjain099. Thanks for your PR.

I'm waiting for a knative member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 75.31%. Comparing base (0795cb8) to head (2e9dcfe).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3401      +/-   ##
==========================================
+ Coverage   75.28%   75.31%   +0.02%     
==========================================
  Files         189      189              
  Lines        8360     8360              
==========================================
+ Hits         6294     6296       +2     
+ Misses       1823     1822       -1     
+ Partials      243      242       -1     

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[dsimansk]

/ok-to-test

[dsimansk]

/approve
/lgtm

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: arpitjain099, dsimansk

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