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xlf_intrinsics.html
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<html>
<head>
<title>
XLF_INTRINSICS - Examples of IBM XLF Intrinsic Functions
</title>
</head>
<body bgcolor="#EEEEEE" link="#CC0000" alink="#FF3300" vlink="#000055">
<h1 align = "center">
XLF_INTRINSICS <br> Examples of IBM XLF Intrinsic Functions
</h1>
<hr>
<p>
<b>XLF_INTRINSICS</b>
is a FORTRAN90 program which
demonstrates the use
and features of some of the intrinsic routines peculiar to
the IBM XLF FORTRAN compiler.
</p>
<p>
These functions are not listed in the FORTRAN standard; they
are in some cases commonly available in C or C++ compilers.
</p>
<h3 align = "center">
Licensing:
</h3>
<p>
The computer code and data files described and made available on this web page
are distributed under
<a href = "../../txt/gnu_lgpl.txt">the GNU LGPL license.</a>
</p>
<h3 align = "center">
Related Data and Programs:
</h3>
<p>
<a href = "../../c_src/c_intrinsics/c_intrinsics.html">
C_INTRINSICS</a>,
a C program which
illustrates the use of intrinsic functions supplied by the C language.
</p>
<p>
<a href = "../../cpp_src/cpp_intrinsics/cpp_intrinsics.html">
CPP_INTRINSICS</a>,
a C++ program which
illustrates the use of intrinsic functions supplied by the C++ language.
</p>
<p>
<a href = "../../f77_src/f77_intrinsics/f77_intrinsics.html">
F77_INTRINSICS</a>,
a FORTRAN77 program which
illustrates the use of intrinsic functions supplied by the FORTRAN77 language.
</p>
<p>
<a href = "../../f_src/f90_intrinsics/f90_intrinsics.html">
F90_INTRINSICS</a>,
a FORTRAN90 program which
illustrates the use of intrinsic functions supplied by the FORTRAN77 language.
</p>
<p>
<a href = "../../cpp_src/g++_intrinsics/g++_intrinsics.html">
G++_INTRINSICS</a>,
C++ programs which
demonstrates some of the intrinsic functions provided by the G++ compiler.
</p>
<p>
<a href = "../../f77_src/g77_intrinsics/g77_intrinsics.html">
G77_INTRINSICS</a>,
FORTRAN77 programs which
includes some examples of the use of intrinsic functions
included with the GNU G77 compiler.
</p>
<p>
<a href = "../../f_src/g95_intrinsics/g95_intrinsics.html">
G95_INTRINSICS</a>,
FORTRAN90 programs which
includes some examples of the use of intrinsic functions
included with the GNU G95 FORTRAN compiler.
</p>
<p>
<a href = "../../c_src/gcc_intrinsics/gcc_intrinsics.html">
GCC_INTRINSICS</a>,
C programs which
tests or demonstrates intrinsic routines provided by the GCC compiler.
</p>
<p>
<a href = "../../f_src/gfortran_intrinsics/gfortran_intrinsics.html">
GFORTRAN_INTRINSICS</a>,
FORTRAN90 programs which
demonstrates the use of some of the intrinsic functions
included with the GFORTRAN compiler.
</p>
<p>
<a href = "../../java_src/math_intrinsics/math_intrinsics.html">
MATH_INTRINSICS</a>,
a JAVA program which
illustrates the use of the intrinsic functions in the Java Math package.
</p>
<h3 align = "center">
Reference:
</h3>
<p>
<ol>
<li>
XL Fortran for AIX,<br>
Language Reference,<br>
Version 11, Release 1,<br>
IBM.<br>
<a href = "../../pdf/ibm/xlf_language_11.1.pdf">
../../pdf/ibm/xlf_language_11.1.pdf</a>.
</li>
</ol>
</p>
<h3 align = "center">
Examples and Tests:
</h3>
<p>
<ul>
<li>
<a href = "xlf_intrinsics_prb.f90">xlf_intrinsics_prb.f90</a>,
a single program that calls many tests; eact test is devoted to
a particular XLF intrinsic function.
</li>
<li>
<a href = "xlf_intrinsics_prb.sh">xlf_intrinsics_prb.sh</a>,
commands that compile and run the test;
</li>
<li>
<a href = "xlf_intrinsics_prb_output.txt">
xlf_intrinsics_prb_output.txt</a>,
the output file;
</li>
</ul>
</p>
<h3 align = "center">
List of Routines:
</h3>
<p>
<ul>
<li>
<b>TEST_ERF</b> checks ERF against ERF_VALUES.
</li>
<li>
<b>TEST_ERFC</b> checks ERFC against ERFC_VALUES.
</li>
<li>
<b>TEST_ETIME_</b> tests ETIME_.
</li>
<li>
<b>TEST_FDATE_</b> tests FDATE_.
</li>
<li>
<b>TEST_GAMMA</b> checks GAMMA against GAMMA_VALUES.
</li>
<li>
<b>TEST_HOSTNM_</b> tests HOSTNM_.
</li>
<li>
<b>TEST_LGAMMA</b> tests LGAMMA..
</li>
<li>
<b>TEST_RAND</b> tests RAND.
</li>
<li>
<b>TEST_SIZEOF</b> tests SIZEOF.
</li>
<li>
<b>TEST_SLEEP_</b> tests SLEEP_.
</li>
<li>
<b>TEST_SYSTEM</b> tests SYSTEM.
</li>
<li>
<b>TEST_TIME_</b> tests TIME_.
</li>
<li>
<b>TEST_TIMEF</b> tests TIMEF.
</li>
<li>
<b>ERF_VALUES</b> returns some values of the ERF or "error" function.
</li>
<li>
<b>ERFC_VALUES</b> returns some values of the ERFC or "complementary error" function.
</li>
<li>
<b>GAMMA_VALUES</b> returns some values of the GAMMA function.
</li>
<li>
<b>GAMMA_LOG_VALUES</b> returns some values of the log(GAMMA) function.
</li>
<li>
<b>TIMESTAMP</b> prints the current YMDHMS date as a time stamp.
</li>
</ul>
</p>
<p>
You can go up one level to <a href = "../f_src.html">
the FORTRAN90 source codes</a>.
</p>
<hr>
<i>
Last revised on 30 October 2007.
</i>
<!-- John Burkardt -->
</body>
</html>