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<reference id="GUID-9A38894D-98B8-5AFA-A36A-AC8B494EC2CC" xml:lang="en"><title>libmexample: Using the Standard C Math Library</title><shortdesc>This example demonstrates the use of math functions, such

as <codeph>gamma(double)</codeph>, that are part of the Standard C

Maths support library (<codeph>libm.dll</codeph>). </shortdesc><prolog><metadata><keywords/></metadata></prolog><refbody>

<section id="GUID-D3589080-5DD4-5DDF-A269-A7D1687F4705"><title>Purpose</title> <p>This example application shows how to use the <filepath>libm.dll</filepath> library. It: </p> <ol id="GUID-BDAA52E1-6D3C-520C-9C3F-74A558955A86">

<li id="GUID-85A5E6A3-19BD-5060-A92E-CFAA7E522DF4"><p>reads an input

value supplied by the user </p> </li>

<li id="GUID-7D292EC7-FE00-5E35-9261-C11CB406CF32"><p>applies the

gamma function on the input value </p> </li>

<li id="GUID-B1C92272-17F9-5520-AC5D-A55B0C11963C"><p>prints the output. </p> </li>

</ol> </section>

<section id="GUID-2638D79E-A3D2-5A08-AFC3-00AF68C3C194-GENID-1-10-1-13-1-1-5-1-3-1-11-1-8-1-3-2"><title>Download</title> <p>Click on the following link to download the example: <xref href="guid-6013a680-57f9-415b-8851-c4fa63356636/zips/guid-b6b7503f-d331-4664-a6c8-a3e72b1f6c5b.zip" scope="external"> libmexample.zip</xref></p><p>Click: <xref href="guid-6013a680-57f9-415b-8851-c4fa63356636/guid-b6b7503f-d331-4664-a6c8-a3e72b1f6c5b.html" scope="peer">browse</xref> to view the example code. </p> </section>

<section id="GUID-C3619B7E-3AF5-58D1-99D1-45CADE74B54C"><title>Class

summary</title> <p>The example shows the use of the following API: </p> <ul>

<li id="GUID-3DF01930-3A0E-5645-8D7E-F70321CB2B31"><p> <xref href="GUID-D1B12DAA-B281-3D8C-9CFF-A2062EA72A0A.dita"><apiname>gamma(double)</apiname></xref> from the Standard C Maths support library (<filepath>libm.dll</filepath>). </p> </li>

</ul> </section>

<section id="GUID-7D90F88D-B6DC-5287-AC55-AAF46443874A"><title>Building

and configuring</title> <p>To build the example: </p> <ul>

<li id="GUID-A00084B3-336E-57DE-A399-33DE044E6021"><p>You can build

the example from your IDE or the command line. </p> <p>If you use

an IDE, import the <filepath>bld.inf</filepath> file of the example

into your IDE, and use the build command of the IDE. </p> <p>If you

use the command line, open a command prompt, and set the current directory

to the source code directory of the example. You can then build the

example with the SBSv1 build tools with the following commands: </p> <p><userinput>bldmake bldfiles</userinput> </p> <p><userinput>abld

build</userinput> </p> </li>

<li id="GUID-91962C9F-6048-588E-8100-352354DC49C9"><p>For the emulator,

the example builds an executable called <filepath>libmexample.exe</filepath> in the <filepath>epoc32\release\winscw\&lt;udeb or urel&gt;\</filepath> folder. </p> </li>

</ul> </section>

<section id="GUID-97F66C8D-36A9-50D4-8318-2A19BE9832D6"><title>Running

the example</title> <p>Run the <filepath>libmexample.exe</filepath> executable. The example application waits for the user to enter

an input value. </p> </section>

</refbody></reference>