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<chapter id="functions">

<title>Functions and Operators</title>

<entry><type>int</type></entry>

<entry>return the bucket to which <parameter>operand</> would

be assigned in an equidepth histogram with <parameter>count</>

buckets, an upper bound of <parameter>b1</>, and a lower bound

of <parameter>b2</></entry>

buckets, in the range <parameter>b1</> to <parameter>b2</></entry>

<entry><literal>width_bucket(5.35, 0.024, 10.06, 5)</literal></entry>

<entry><literal>3</literal></entry>

</row>