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42 lines
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<TITLE>CLHS: Section 2.3.2</TITLE>
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<H1><A REV=MADE HREF="http://www.lispworks.com/"><IMG WIDTH=80 HEIGHT=65 ALT="[LISPWORKS]" SRC="../Graphics/LWSmall.gif" ALIGN=Bottom></A><A REL=TOP HREF="../Front/index.htm"><IMG WIDTH=237 HEIGHT=65 ALT="[Common Lisp HyperSpec (TM)]" SRC="../Graphics/CLHS_Sm.gif" ALIGN=Bottom></A> <A REL=PREV HREF="02_caab.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Previous]" SRC="../Graphics/Prev.gif" ALIGN=Bottom></A><A REL=UP HREF="02_c.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Up]" SRC="../Graphics/Up.gif" ALIGN=Bottom></A><A REL=NEXT HREF="02_cba.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Next]" SRC="../Graphics/Next.gif" ALIGN=Bottom></A></H1>
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<H2>
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2.3.2 Constructing Numbers from Tokens</H2> <P>
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A <A REL=DEFINITION HREF="t_real.htm#real"><I>real</I></A> is constructed directly from a corresponding numeric <A REL=DEFINITION HREF="26_glo_t.htm#token"><I>token</I></A>; see <A REL=DEFINITION HREF="02_ca.htm#syntaxfornumerictokens">Figure 2-9</A>. <P>
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A <A REL=DEFINITION HREF="26_glo_c.htm#complex"><I>complex</I></A> is notated as a <TT>#C</TT> (or <TT>#c</TT>) followed by a <A REL=DEFINITION HREF="26_glo_l.htm#list"><I>list</I></A> of two <I>reals</I>; see <A REL=CHILD HREF="02_dhk.htm">Section 2.4.8.11 (Sharpsign C)</A>. <P>
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The <A REL=DEFINITION HREF="26_glo_r.htm#reader_macro"><I>reader macros</I></A> <TT>#B</TT>, <TT>#O</TT>, <TT>#X</TT>, and <TT>#R</TT> may also be useful in controlling the input <A REL=DEFINITION HREF="26_glo_r.htm#radix"><I>radix</I></A> in which <A REL=DEFINITION HREF="26_glo_r.htm#rational"><I>rationals</I></A> are parsed; see <A REL=CHILD HREF="02_dhg.htm">Section 2.4.8.7 (Sharpsign B)</A>, <A REL=CHILD HREF="02_dhh.htm">Section 2.4.8.8 (Sharpsign O)</A>, <A REL=CHILD HREF="02_dhi.htm">Section 2.4.8.9 (Sharpsign X)</A>, and <A REL=CHILD HREF="02_dhj.htm">Section 2.4.8.10 (Sharpsign R)</A>. <P>
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This section summarizes the full syntax for <A REL=DEFINITION HREF="26_glo_n.htm#number"><I>numbers</I></A>. <P>
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<A REL=CHILD HREF="02_cba.htm"><H2>
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2.3.2.1 Syntax of a Rational</H2></A><P>
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<A REL=CHILD HREF="02_cbb.htm"><H2>
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2.3.2.2 Syntax of a Float</H2></A><P><P>
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<A REL=CHILD HREF="02_cbc.htm"><H2>
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2.3.2.3 Syntax of a Complex</H2></A><P><HR>
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