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<H2><A NAME="sec:F.3"><SPAN class="sec-nr">F.3</SPAN> <SPAN class="sec-title">Arithmetic 
Functions</SPAN></A></H2>

<A NAME="sec:funcsummary"></A>
<TABLE>
<TR><TD><A class="pred" href="arith.html#*/2">*/2</A></TD><TD>Multiplication</TD></TR>
<TR><TD><A class="pred" href="arith.html#**/2">**/2</A></TD><TD>Power 
function</TD></TR>
<TR><TD><A class="pred" href="arith.html#+/1">+/1</A></TD><TD>Unary plus 
(No-op)</TD></TR>
<TR><TD><A class="pred" href="arith.html#+/2">+/2</A></TD><TD>Addition</TD></TR>
<TR><TD><A class="pred" href="arith.html#-/1">-/1</A></TD><TD>Unary 
minus</TD></TR>
<TR><TD><A class="pred" href="arith.html#-/2">-/2</A></TD><TD>Subtraction</TD></TR>
<TR><TD><A class="pred" href="arith.html#//2">//2</A></TD><TD>Division</TD></TR>
<TR><TD><A class="pred" href="arith.html#///2">///2</A></TD><TD>Integer 
division</TD></TR>
<TR><TD><A class="pred" href="arith.html#/\/2">/\/2</A></TD><TD>Bitwise 
and</TD></TR>
<TR><TD><A class="pred" href="arith.html#<</2">&lt;&lt;/2</A></TD><TD>Bitwise 
left shift</TD></TR>
<TR><TD><SPAN class="pred-ext">&gt;&lt;/2</SPAN></TD><TD>Bitwise 
exclusive or</TD></TR>
<TR><TD><A class="pred" href="arith.html#>>/2">&gt;&gt;/2</A></TD><TD>Bitwise 
right shift</TD></TR>
<TR><TD><A class="pred" href="arith.html#./2">./2</A></TD><TD>List of 
one character: character code</TD></TR>
<TR><TD><A class="pred" href="arith.html#\/1">\/1</A></TD><TD>Bitwise 
negation</TD></TR>
<TR><TD><A class="pred" href="arith.html#\//2">\//2</A></TD><TD>Bitwise 
or</TD></TR>
<TR><TD><A class="pred" href="arith.html#^/2">^/2</A></TD><TD>Power 
function</TD></TR>
<TR><TD><A class="pred" href="arith.html#abs/1">abs/1</A></TD><TD>Absolute 
value</TD></TR>
<TR><TD><A class="pred" href="arith.html#acos/1">acos/1</A></TD><TD>Inverse 
(arc) cosine</TD></TR>
<TR><TD><A class="pred" href="arith.html#asin/1">asin/1</A></TD><TD>Inverse 
(arc) sine</TD></TR>
<TR><TD><A class="pred" href="arith.html#atan/1">atan/1</A></TD><TD>Inverse 
(arc) tangent</TD></TR>
<TR><TD><A class="pred" href="arith.html#atan/2">atan/2</A></TD><TD>Rectangular 
to polar conversion</TD></TR>
<TR><TD><A class="pred" href="arith.html#atan2/2">atan2/2</A></TD><TD>Rectangular 
to polar conversion</TD></TR>
<TR><TD><A class="pred" href="arith.html#ceil/1">ceil/1</A></TD><TD>Smallest 
integer larger than arg</TD></TR>
<TR><TD><A class="pred" href="arith.html#ceiling/1">ceiling/1</A></TD><TD>Smallest 
integer larger than arg</TD></TR>
<TR><TD><A class="pred" href="arith.html#cos/1">cos/1</A></TD><TD>Cosine</TD></TR>
<TR><TD><A class="pred" href="arith.html#cputime/0">cputime/0</A></TD><TD>Get 
CPU time</TD></TR>
<TR><TD><A class="pred" href="arith.html#div/2">div/2</A></TD><TD>Integer 
division</TD></TR>
<TR><TD><A class="pred" href="arith.html#e/0">e/0</A></TD><TD>Mathematical 
constant</TD></TR>
<TR><TD><A class="pred" href="arith.html#epsilon/0">epsilon/0</A></TD><TD>Floating 
point precision</TD></TR>
<TR><TD><A class="pred" href="arith.html#eval/1">eval/1</A></TD><TD>Evaluate 
term as expression</TD></TR>
<TR><TD><A class="pred" href="arith.html#exp/1">exp/1</A></TD><TD>Exponent 
(base <VAR>e</VAR>)</TD></TR>
<TR><TD><A class="pred" href="typetest.html#float/1">float/1</A></TD><TD>Explicitly 
convert to float</TD></TR>
<TR><TD><A class="pred" href="arith.html#float_fractional_part/1">float_fractional_part/1</A></TD><TD>Fractional 
part of a float</TD></TR>
<TR><TD><A class="pred" href="arith.html#float_integer_part/1">float_integer_part/1</A></TD><TD>Integer 
part of a float</TD></TR>
<TR><TD><A class="pred" href="arith.html#floor/1">floor/1</A></TD><TD>Largest 
integer below argument</TD></TR>
<TR><TD><A class="pred" href="arith.html#gcd/2">gcd/2</A></TD><TD>Greatest 
common divisor</TD></TR>
<TR><TD><A class="pred" href="typetest.html#integer/1">integer/1</A></TD><TD>Round 
to nearest integer</TD></TR>
<TR><TD><A class="pred" href="arith.html#log/1">log/1</A></TD><TD>Natural 
logarithm</TD></TR>
<TR><TD><A class="pred" href="arith.html#log10/1">log10/1</A></TD><TD>10 
base logarithm</TD></TR>
<TR><TD><A class="pred" href="arith.html#lsb/1">lsb/1</A></TD><TD>Least 
significant bit</TD></TR>
<TR><TD><A class="pred" href="arith.html#max/2">max/2</A></TD><TD>Maximum 
of two numbers</TD></TR>
<TR><TD><A class="pred" href="arith.html#min/2">min/2</A></TD><TD>Minimum 
of two numbers</TD></TR>
<TR><TD><A class="pred" href="arith.html#msb/1">msb/1</A></TD><TD>Most 
significant bit</TD></TR>
<TR><TD><A class="pred" href="arith.html#mod/2">mod/2</A></TD><TD>Remainder 
of division</TD></TR>
<TR><TD><A class="pred" href="arith.html#powm/3">powm/3</A></TD><TD>Integer 
exponent and modulo</TD></TR>
<TR><TD><A class="pred" href="arith.html#random/1">random/1</A></TD><TD>Generate 
random number</TD></TR>
<TR><TD><A class="pred" href="arith.html#random/1">random/1</A></TD><TD>Generate 
random number</TD></TR>
<TR><TD><A class="pred" href="typetest.html#rational/1">rational/1</A></TD><TD>Convert 
to rational number</TD></TR>
<TR><TD><A class="pred" href="arith.html#rationalize/1">rationalize/1</A></TD><TD>Convert 
to rational number</TD></TR>
<TR><TD><A class="pred" href="arith.html#rdiv/2">rdiv/2</A></TD><TD>Ration 
number division</TD></TR>
<TR><TD><A class="pred" href="arith.html#rem/2">rem/2</A></TD><TD>Remainder 
of division</TD></TR>
<TR><TD><A class="pred" href="arith.html#round/1">round/1</A></TD><TD>Round 
to nearest integer</TD></TR>
<TR><TD><A class="pred" href="arith.html#truncate/1">truncate/1</A></TD><TD>Truncate 
float to integer</TD></TR>
<TR><TD><A class="pred" href="arith.html#pi/0">pi/0</A></TD><TD>Mathematical 
constant</TD></TR>
<TR><TD><A class="pred" href="arith.html#popcount/1">popcount/1</A></TD><TD>Count 
1s in a bitvector</TD></TR>
<TR><TD><A class="pred" href="arith.html#sign/1">sign/1</A></TD><TD>Extract 
sign of value</TD></TR>
<TR><TD><A class="pred" href="arith.html#sin/1">sin/1</A></TD><TD>Sine</TD></TR>
<TR><TD><A class="pred" href="arith.html#sqrt/1">sqrt/1</A></TD><TD>Square 
root</TD></TR>
<TR><TD><A class="pred" href="arith.html#tan/1">tan/1</A></TD><TD>Tangent</TD></TR>
<TR><TD><A class="pred" href="arith.html#xor/2">xor/2</A></TD><TD>Bitwise 
exclusive or</TD></TR>
</TABLE>

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