limits: Construct floating point infinity value from bit pattern

[stotko]

Although HUGE_VALF,HUGE_VAL,HUGE_VALL reliably generate an infinity value for floating point types, recent versions of MSVC emit overflow warnings. While intentional in this case, such a warning should not occur in the first place. Fix this behavior by manually constructing infinity values from the IEEE 754 definition via respective bit patterns.

Fixes #461

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.63%. Comparing base (53b81d0) to head (26f4a20).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #463   +/-   ##
=======================================
  Coverage   96.63%   96.63%           
=======================================
  Files          33       33           
  Lines        2704     2704           
=======================================
  Hits         2613     2613           
  Misses         91       91           

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