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Home >Online Product Documentation >Table of Contents >Calling Number Functions Calling Number FunctionsThis section describes the number functions that you can call in a query. The operations you can perform are Converting an Object to a Number
In some situations, you might want to force a numeric comparison. The XPath processor performs a numeric comparison if either operand is numeric and neither is Boolean. (If one operand is Boolean, the XPath processor converts the other to Boolean and performs a Boolean comparison.) However, if neither operand is a numeric or Boolean value, you can call the
To perform a numeric comparison, you must call the
The format of the
If you omit the argument, the value of the argument defaults to a node set with the context node as its only member. Table 85 shows how the Obtaining the Sum of the Values in a Node Set
To obtain the sum of the values of the nodes in a set, call the
For each node in the argument node-set, the XPath processor converts the string value of the node to a number. The Obtaining the Largest, Smallest, or Closest Number
To obtain the largest integer that is not greater than a particular number, call the
The
To obtain the smallest integer that is not less than a particular number, call the
The
To obtain the closest integer to a particular number, call the
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