op:double-subtract

Subtracts $double-var2 from $double-var1. The - operator invokes the double-subtract operator.

Signatures

op:double-subtract(xs:double $double-var1, xs:double $double-var2) —> xs:double

Arguments

Data Type
Argument
Description

xs:double

$double-var1

Represents a double precision (64 bit) floating point number, for example: 1.1.

xs:double

$double-var2

Represents a double precision (64 bit) floating point number, for example: 1.1.

Returns

Returns the double precision (64 bit) floating point value of subtracting $double-var2 from $double-var1.

Examples

Simple

Invoking double-subtract("2.2","1.1") returns the double precision (64 bit) floating point value: 1.1 as shown in the following example query:

<double-subtract>{op:double-subtract("2.2","1.1")}</double-subtract> 

The preceding query generates the following result:

<double-subtract>1.1</double-subtract> 

Related Topics

W3C double data type description.

W3C numeric-subtract operator description.