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<pre class=code>
<B><FONT COLOR="#0000FF">signature</FONT></B> MLTON_REAL =
<B><FONT COLOR="#0000FF">sig</FONT></B>
<B><FONT COLOR="#A020F0">type</FONT></B><B><FONT COLOR="#228B22"> t
</FONT></B><B><FONT COLOR="#A020F0">val</FONT></B> fromWord: word -> t
<B><FONT COLOR="#A020F0">val</FONT></B> fromLargeWord: LargeWord.word -> t
<B><FONT COLOR="#A020F0">val</FONT></B> toWord: IEEEReal.rounding_mode -> t -> word
<B><FONT COLOR="#A020F0">val</FONT></B> toLargeWord: IEEEReal.rounding_mode -> t -> LargeWord.word
<B><FONT COLOR="#0000FF">end</FONT></B>
</PRE>
<p>
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<p>
<tt>type t</tt> <br>
the type of reals. For <tt>MLton.LargeReal</tt> this is <tt>LargeReal.real</tt>, for <tt>MLton.Real</tt> this is <tt>Real.real</tt>, for <tt>MLton.Real32</tt> this is <tt>Real32.real</tt>, for <tt>MLton.Real64</tt> this is <tt>Real64.real</tt>.
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<tt>fromWord w</tt>
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<tt>fromLargeWord w</tt> <br>
convert the word <tt>w</tt> to a real value. If the value of <tt>w</tt> is larger than (the appropriate) <tt>REAL.maxFinite</tt>, then infinity is returned. If <tt>w</tt> cannot be exactly represented as a real value, then the current rounding mode is used to determine the resulting value.
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<tt>toWord mode r</tt>
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<tt>toLargeWord mode r</tt> <br>
convert the argument <tt>r</tt> to a word type using the specified rounding mode. They raise <tt>Overflow</tt> if the result is not representable, in particular, if <tt>r</tt> is an infinity. They raise <tt>Domain</tt> if <tt>r</tt> is NaN.
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<tt>MLton.Real32.castFromWord w</tt>
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<tt>MLton.Real64.castFromWord w</tt> <br>
convert the argument <tt>w</tt> to a real type as a bit-wise cast.
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<tt>MLton.Real32.castToWord r</tt>
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<tt>MLton.Real64.castToWord r</tt> <br>
convert the argument <tt>r</tt> to a word type as a bit-wise cast.
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Last edited on 2007-08-23 03:45:07 by <span title="c-71-57-91-146.hsd1.il.comcast.net"><a href="MatthewFluet">MatthewFluet</a></span>.
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