Number conversions, like floats to doubles

[Marcin 'Qrczak' Kowalczyk]

W liście z sob, 08-11-2003, godz. 22:59, Hal Daume III pisze:

> In NumExts, there's floatToDouble and doubleToFloat.

It's a GHC extension, while realToFrac is Haskell 98.

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