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>bit-and, bit-andc1, bit-andc2, bit-eqv, bit-ior, bit-nand, bit-nor, bit-not, bit-orc1, bit-orc2, bit-xor | Common Lisp Nova Spec</TITLE
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>bit-and, bit-andc1, bit-andc2, bit-eqv, bit-ior, bit-nand, bit-nor, bit-not, bit-orc1, bit-orc2, bit-xor</A
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><SPAN CLASS="idx" DATA-KIND="idxref" DATA-TERM="bit-and, bit-andc1, bit-andc2, bit-eqv, bit-ior, bit-nand, bit-nor, bit-not, bit-orc1, bit-orc2, bit-xor"
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>bit-and, bit-andc1, bit-andc2, bit-eqv, bit-ior, bit-nand, bit-nor, bit-not, bit-orc1, bit-orc2, bit-xor</B
></TD
><TD ALIGN="RIGHT" VALIGN="BASELINE" WIDTH="0" NOWRAP="NOWRAP" CLASS="ftype"
><I
>Function</I
></TD
></TR
></TABLE
><HR
></DIV
><UL CLASS="subtoc"
></UL
><DL
><DT
><B
>Syntax</B
></DT
><DD
><TABLE CELLSPACING="0" CELLPADDING="0" RULES="GROUPS" STYLE="margin: 1ex 0"
><TBODY
><TR
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE=";padding-right:3px"
><B
>bit-and</B
> <SPAN CLASS="cmssi"
>bit-array1</SPAN
> <SPAN CLASS="cmssi"
>bit-array2</SPAN
> <SPAN CLASS="cmtt"
>&amp;optional</SPAN
> <SPAN CLASS="cmssi"
>opt-arg</SPAN
></TD
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE="padding-left:3px;"
> <SPAN CLASS="cmsy"
><SPAN CLASS="arrow"
>&#8594;</SPAN
></SPAN
> <SPAN CLASS="cmssi"
>resulting-bit-array</SPAN
></TD
></TR
><TR
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE=";padding-right:3px"
> <B
>bit-andc1</B
> <SPAN CLASS="cmssi"
>bit-array1</SPAN
> <SPAN CLASS="cmssi"
>bit-array2</SPAN
> <SPAN CLASS="cmtt"
>&amp;optional</SPAN
> <SPAN CLASS="cmssi"
>opt-arg</SPAN
></TD
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE="padding-left:3px;"
> <SPAN CLASS="cmsy"
><SPAN CLASS="arrow"
>&#8594;</SPAN
></SPAN
> <SPAN CLASS="cmssi"
>resulting-bit-array</SPAN
></TD
></TR
><TR
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE=";padding-right:3px"
> <B
>bit-andc2</B
> <SPAN CLASS="cmssi"
>bit-array1</SPAN
> <SPAN CLASS="cmssi"
>bit-array2</SPAN
> <SPAN CLASS="cmtt"
>&amp;optional</SPAN
> <SPAN CLASS="cmssi"
>opt-arg</SPAN
></TD
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE="padding-left:3px;"
> <SPAN CLASS="cmsy"
><SPAN CLASS="arrow"
>&#8594;</SPAN
></SPAN
> <SPAN CLASS="cmssi"
>resulting-bit-array</SPAN
></TD
></TR
><TR
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE=";padding-right:3px"
> <B
>bit-eqv</B
> <SPAN CLASS="cmssi"
>bit-array1</SPAN
> <SPAN CLASS="cmssi"
>bit-array2</SPAN
> <SPAN CLASS="cmtt"
>&amp;optional</SPAN
> <SPAN CLASS="cmssi"
>opt-arg</SPAN
></TD
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE="padding-left:3px;"
> <SPAN CLASS="cmsy"
><SPAN CLASS="arrow"
>&#8594;</SPAN
></SPAN
> <SPAN CLASS="cmssi"
>resulting-bit-array</SPAN
></TD
></TR
><TR
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE=";padding-right:3px"
> <B
>bit-ior</B
> <SPAN CLASS="cmssi"
>bit-array1</SPAN
> <SPAN CLASS="cmssi"
>bit-array2</SPAN
> <SPAN CLASS="cmtt"
>&amp;optional</SPAN
> <SPAN CLASS="cmssi"
>opt-arg</SPAN
></TD
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE="padding-left:3px;"
> <SPAN CLASS="cmsy"
><SPAN CLASS="arrow"
>&#8594;</SPAN
></SPAN
> <SPAN CLASS="cmssi"
>resulting-bit-array</SPAN
></TD
></TR
><TR
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE=";padding-right:3px"
> <B
>bit-nand</B
> <SPAN CLASS="cmssi"
>bit-array1</SPAN
> <SPAN CLASS="cmssi"
>bit-array2</SPAN
> <SPAN CLASS="cmtt"
>&amp;optional</SPAN
> <SPAN CLASS="cmssi"
>opt-arg</SPAN
></TD
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE="padding-left:3px;"
> <SPAN CLASS="cmsy"
><SPAN CLASS="arrow"
>&#8594;</SPAN
></SPAN
> <SPAN CLASS="cmssi"
>resulting-bit-array</SPAN
></TD
></TR
><TR
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE=";padding-right:3px"
> <B
>bit-nor</B
> <SPAN CLASS="cmssi"
>bit-array1</SPAN
> <SPAN CLASS="cmssi"
>bit-array2</SPAN
> <SPAN CLASS="cmtt"
>&amp;optional</SPAN
> <SPAN CLASS="cmssi"
>opt-arg</SPAN
></TD
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE="padding-left:3px;"
> <SPAN CLASS="cmsy"
><SPAN CLASS="arrow"
>&#8594;</SPAN
></SPAN
> <SPAN CLASS="cmssi"
>resulting-bit-array</SPAN
></TD
></TR
><TR
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE=";padding-right:3px"
> <B
>bit-orc1</B
> <SPAN CLASS="cmssi"
>bit-array1</SPAN
> <SPAN CLASS="cmssi"
>bit-array2</SPAN
> <SPAN CLASS="cmtt"
>&amp;optional</SPAN
> <SPAN CLASS="cmssi"
>opt-arg</SPAN
></TD
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE="padding-left:3px;"
> <SPAN CLASS="cmsy"
><SPAN CLASS="arrow"
>&#8594;</SPAN
></SPAN
> <SPAN CLASS="cmssi"
>resulting-bit-array</SPAN
></TD
></TR
><TR
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE=";padding-right:3px"
> <B
>bit-orc2</B
> <SPAN CLASS="cmssi"
>bit-array1</SPAN
> <SPAN CLASS="cmssi"
>bit-array2</SPAN
> <SPAN CLASS="cmtt"
>&amp;optional</SPAN
> <SPAN CLASS="cmssi"
>opt-arg</SPAN
></TD
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE="padding-left:3px;"
> <SPAN CLASS="cmsy"
><SPAN CLASS="arrow"
>&#8594;</SPAN
></SPAN
> <SPAN CLASS="cmssi"
>resulting-bit-array</SPAN
></TD
></TR
><TR
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE=";padding-right:3px"
> <B
>bit-xor</B
> <SPAN CLASS="cmssi"
>bit-array1</SPAN
> <SPAN CLASS="cmssi"
>bit-array2</SPAN
> <SPAN CLASS="cmtt"
>&amp;optional</SPAN
> <SPAN CLASS="cmssi"
>opt-arg</SPAN
></TD
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE="padding-left:3px;"
> <SPAN CLASS="cmsy"
><SPAN CLASS="arrow"
>&#8594;</SPAN
></SPAN
> <SPAN CLASS="cmssi"
>resulting-bit-array</SPAN
></TD
></TR
></TBODY
></TABLE
><P CLASS="j"
><B
>bit-not</B
> <SPAN CLASS="cmssi"
>bit-array</SPAN
> <SPAN CLASS="cmtt"
>&amp;optional</SPAN
> <SPAN CLASS="cmssi"
>opt-arg</SPAN
> <SPAN CLASS="arrow"
>&#8594;</SPAN
> <SPAN CLASS="cmssi"
>resulting-bit-array</SPAN
></P
></DD
><DT
><B
>Arguments and Values</B
></DT
><DD
><P CLASS="j"
><VAR CLASS="param"
>bit-array</VAR
>, <VAR CLASS="param"
>bit-array1</VAR
>, <VAR CLASS="param"
>bit-array2</VAR
> &#8212; a <A HREF="26_1_Glossary.html#bit_array"
><EM CLASS="term"
>bit array</EM
></A
>. </P
><P CLASS="j"
><VAR CLASS="param"
>Opt-arg</VAR
> &#8212; a <A HREF="26_1_Glossary.html#bit_array"
><EM CLASS="term"
>bit array</EM
></A
>, or <SPAN CLASS="misc"
><B
>t</B
></SPAN
>, or <SPAN CLASS="misc"
><B
>nil</B
></SPAN
>. The default is <SPAN CLASS="misc"
><B
>nil</B
></SPAN
>. </P
><P CLASS="j"
><VAR CLASS="param"
>Bit-array</VAR
>, <VAR CLASS="param"
>bit-array1</VAR
>, <VAR CLASS="param"
>bit-array2</VAR
>, and <VAR CLASS="param"
>opt-arg</VAR
> (if an <A HREF="26_1_Glossary.html#array"
><EM CLASS="term"
>array</EM
></A
>) must all be of the same <A HREF="26_1_Glossary.html#rank"
><EM CLASS="term"
>rank</EM
></A
> and <A HREF="26_1_Glossary.html#dimension"
><EM CLASS="term"
>dimensions</EM
></A
>. </P
><P CLASS="j"
><VAR CLASS="param"
>resulting-bit-array</VAR
> &#8212; a <A HREF="26_1_Glossary.html#bit_array"
><EM CLASS="term"
>bit array</EM
></A
>.</P
></DD
><DT
><B
>Description</B
></DT
><DD
><P CLASS="j"
>These functions perform bit-wise logical operations on <VAR CLASS="param"
>bit-array1</VAR
> and <VAR CLASS="param"
>bit-array2</VAR
> and return an <A HREF="26_1_Glossary.html#array"
><EM CLASS="term"
>array</EM
></A
> of matching <A HREF="26_1_Glossary.html#rank"
><EM CLASS="term"
>rank</EM
></A
> and <A HREF="26_1_Glossary.html#dimension"
><EM CLASS="term"
>dimensions</EM
></A
>, such that any given bit of the result is produced by operating on corresponding bits from each of the arguments. </P
><P CLASS="j"
>In the case of <A HREF="f_bit-and.html" CLASS="funref"
><B
>bit-not</B
></A
>, an <A HREF="26_1_Glossary.html#array"
><EM CLASS="term"
>array</EM
></A
> of <A HREF="26_1_Glossary.html#rank"
><EM CLASS="term"
>rank</EM
></A
> and <A HREF="26_1_Glossary.html#dimension"
><EM CLASS="term"
>dimensions</EM
></A
> matching <VAR CLASS="param"
>bit-array</VAR
> is returned that contains a copy of <VAR CLASS="param"
>bit-array</VAR
> with all the bits inverted. </P
><P CLASS="j"
>If <VAR CLASS="param"
>opt-arg</VAR
> is of type <CODE CLASS="f"
>(array bit)</CODE
> the contents of the result are destructively placed into <VAR CLASS="param"
>opt-arg</VAR
>. If <VAR CLASS="param"
>opt-arg</VAR
> is the symbol <SPAN CLASS="misc"
><B
>t</B
></SPAN
>, <VAR CLASS="param"
>bit-array</VAR
> or <VAR CLASS="param"
>bit-array1</VAR
> is replaced with the result; if <VAR CLASS="param"
>opt-arg</VAR
> is <SPAN CLASS="misc"
><B
>nil</B
></SPAN
> or omitted, a new <A HREF="26_1_Glossary.html#array"
><EM CLASS="term"
>array</EM
></A
> is created to contain the result. </P
><P CLASS="j"
>Figure 15&#8211;4 indicates the logical operation performed by each of the <A HREF="26_1_Glossary.html#function"
><EM CLASS="term"
>functions</EM
></A
>.</P
><FIGURE CLASS="boxfig"
><DIV CLASS="figbody"
><TABLE CELLSPACING="0" CELLPADDING="0" RULES="GROUPS" STYLE="margin: 1ex 0"
><THEAD
><TR
><TH ALIGN="LEFT" VALIGN="BASELINE" STYLE=";padding-right:3px"
><B
>Function</B
></TH
><TH ALIGN="LEFT" VALIGN="BASELINE" STYLE="padding-left:3px;"
> <B
>Operation</B
></TH
></TR
></THEAD
><TBODY
><TR
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE=";"
></TD
></TR
><TR
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE=";padding-right:3px"
> <A HREF="f_bit-and.html" CLASS="funref"
><B
>bit-and</B
></A
></TD
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE="padding-left:3px;"
> <SPAN CLASS="cmr"
>and</SPAN
></TD
></TR
><TR
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE=";padding-right:3px"
> <A HREF="f_bit-and.html" CLASS="funref"
><B
>bit-eqv</B
></A
></TD
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE="padding-left:3px;"
> <SPAN CLASS="cmr"
>equivalence</SPAN
> <SPAN CLASS="cmr"
>(exclusive</SPAN
> <SPAN CLASS="cmr"
>nor)</SPAN
></TD
></TR
><TR
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE=";padding-right:3px"
> <A HREF="f_bit-and.html" CLASS="funref"
><B
>bit-not</B
></A
></TD
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE="padding-left:3px;"
> <SPAN CLASS="cmr"
>complement</SPAN
></TD
></TR
><TR
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE=";padding-right:3px"
> <A HREF="f_bit-and.html" CLASS="funref"
><B
>bit-ior</B
></A
></TD
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE="padding-left:3px;"
> <SPAN CLASS="cmr"
>inclusive</SPAN
> <SPAN CLASS="cmr"
>or</SPAN
></TD
></TR
><TR
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE=";padding-right:3px"
> <A HREF="f_bit-and.html" CLASS="funref"
><B
>bit-xor</B
></A
></TD
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE="padding-left:3px;"
> <SPAN CLASS="cmr"
>exclusive</SPAN
> <SPAN CLASS="cmr"
>or</SPAN
></TD
></TR
><TR
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE=";padding-right:3px"
> <A HREF="f_bit-and.html" CLASS="funref"
><B
>bit-nand</B
></A
></TD
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE="padding-left:3px;"
> <SPAN CLASS="cmr"
>complement</SPAN
> <SPAN CLASS="cmr"
>of</SPAN
> <VAR CLASS="param"
>bit-array1</VAR
> <SPAN CLASS="cmr"
>and</SPAN
> <VAR CLASS="param"
>bit-array2</VAR
></TD
></TR
><TR
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE=";padding-right:3px"
> <A HREF="f_bit-and.html" CLASS="funref"
><B
>bit-nor</B
></A
></TD
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE="padding-left:3px;"
> <SPAN CLASS="cmr"
>complement</SPAN
> <SPAN CLASS="cmr"
>of</SPAN
> <VAR CLASS="param"
>bit-array1</VAR
> <SPAN CLASS="cmr"
>or</SPAN
> <VAR CLASS="param"
>bit-array2</VAR
></TD
></TR
><TR
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE=";padding-right:3px"
> <A HREF="f_bit-and.html" CLASS="funref"
><B
>bit-andc1</B
></A
></TD
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE="padding-left:3px;"
> <SPAN CLASS="cmr"
>and</SPAN
> <SPAN CLASS="cmr"
>complement</SPAN
> <SPAN CLASS="cmr"
>of</SPAN
> <VAR CLASS="param"
>bit-array1</VAR
> <SPAN CLASS="cmr"
>with</SPAN
> <VAR CLASS="param"
>bit-array2</VAR
></TD
></TR
><TR
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE=";padding-right:3px"
> <A HREF="f_bit-and.html" CLASS="funref"
><B
>bit-andc2</B
></A
></TD
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE="padding-left:3px;"
> <SPAN CLASS="cmr"
>and</SPAN
> <VAR CLASS="param"
>bit-array1</VAR
> <SPAN CLASS="cmr"
>with</SPAN
> <SPAN CLASS="cmr"
>complement</SPAN
> <SPAN CLASS="cmr"
>of</SPAN
> <VAR CLASS="param"
>bit-array2</VAR
></TD
></TR
><TR
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE=";padding-right:3px"
> <A HREF="f_bit-and.html" CLASS="funref"
><B
>bit-orc1</B
></A
></TD
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE="padding-left:3px;"
> <SPAN CLASS="cmr"
>or</SPAN
> <SPAN CLASS="cmr"
>complement</SPAN
> <SPAN CLASS="cmr"
>of</SPAN
> <VAR CLASS="param"
>bit-array1</VAR
> <SPAN CLASS="cmr"
>with</SPAN
> <VAR CLASS="param"
>bit-array2</VAR
></TD
></TR
><TR
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE=";padding-right:3px"
> <A HREF="f_bit-and.html" CLASS="funref"
><B
>bit-orc2</B
></A
></TD
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE="padding-left:3px;"
> <SPAN CLASS="cmr"
>or</SPAN
> <VAR CLASS="param"
>bit-array1</VAR
> <SPAN CLASS="cmr"
>with</SPAN
> <SPAN CLASS="cmr"
>complement</SPAN
> <SPAN CLASS="cmr"
>of</SPAN
> <VAR CLASS="param"
>bit-array2</VAR
></TD
></TR
><TR
><TD ALIGN="LEFT" VALIGN="BASELINE" STYLE=";"
></TD
></TR
></TBODY
></TABLE
></DIV
><FIGCAPTION CLASS="caption"
><B
>Figure 15&#8211;4. Bit-wise Logical Operations on Bit Arrays</B
></FIGCAPTION
></FIGURE
></DD
><DT
><B
>Examples</B
></DT
><DD
><PRE CLASS="screen"
> (bit-and (setq ba #*11101010) #*01101011) <SPAN CLASS="cmsy"
><SPAN CLASS="arrow"
>&#8594;</SPAN
></SPAN
> #*01101010
(bit-and #*1100 #*1010) <SPAN CLASS="cmsy"
><SPAN CLASS="arrow"
>&#8594;</SPAN
></SPAN
> #*1000
(bit-andc1 #*1100 #*1010) <SPAN CLASS="cmsy"
><SPAN CLASS="arrow"
>&#8594;</SPAN
></SPAN
> #*0010
(setq rba (bit-andc2 ba #*00110011 t)) <SPAN CLASS="cmsy"
><SPAN CLASS="arrow"
>&#8594;</SPAN
></SPAN
> #*11001000
(eq rba ba) <SPAN CLASS="cmsy"
><SPAN CLASS="arrow"
>&#8594;</SPAN
></SPAN
> <A HREF="26_1_Glossary.html#true"
><EM CLASS="term"
>true</EM
></A
>
(bit-not (setq ba #*11101010)) <SPAN CLASS="cmsy"
><SPAN CLASS="arrow"
>&#8594;</SPAN
></SPAN
> #*00010101
(setq rba (bit-not ba
(setq tba (make-array 8
:element-type 'bit))))
<SPAN CLASS="cmsy"
><SPAN CLASS="arrow"
>&#8594;</SPAN
></SPAN
> #*00010101
(equal rba tba) <SPAN CLASS="cmsy"
><SPAN CLASS="arrow"
>&#8594;</SPAN
></SPAN
> <A HREF="26_1_Glossary.html#true"
><EM CLASS="term"
>true</EM
></A
>
(bit-xor #*1100 #*1010) <SPAN CLASS="cmsy"
><SPAN CLASS="arrow"
>&#8594;</SPAN
></SPAN
> #*0110</PRE
></DD
><DT
><B
>See Also</B
></DT
><DD
><P CLASS="j"
><A HREF="f_logand.html" CLASS="funref"
><B
>lognot</B
></A
>, <A HREF="f_logand.html" CLASS="funref"
><B
>logand</B
></A
></P
></DD
></DL
></DIV
></DIV
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>&#8592;</A
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>Conversion to HTML copyright 2023 by Gilbert Baumann</DIV
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