Is 10 ** -342 minimum possible value for double range in scientific_ method?

jdh8 / metallic

C runtime library (libc) for WebAssembly

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Closed MaxGraey closed 5 years ago

MaxGraey commented 5 years ago

It seems this should be -324 here

jdh8 commented 5 years ago

It is because maximum significand is 2⁶⁴ − 1, so we need -342 to go small enough. significand is interpreted as a plain integer here.

Smallest representable positive double ≈ 5e-324 (2⁶⁴ − 1) 10^-342 ≈ 2e-323

MaxGraey commented 5 years ago

Got it! thanks