author | fturovic <frank.turovich@nokia.com> |
Mon, 19 Jul 2010 16:13:24 -0500 | |
changeset 1641 | 2b3996fc09a1 |
parent 0 | fb279309251b |
permissions | -rw-r--r-- |
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN"> |
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> |
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<head> |
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" /> |
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<meta http-equiv="Content-Style-Type" content="text/css" /> |
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<meta name="LASTUPDATED" content="06/17/05 11:09:43" /> |
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<title>warn_impl_i2f_conv</title> |
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<link rel="StyleSheet" href="../../book.css" type="text/css"/> |
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</head> |
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|
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<body> |
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<h3>warn_impl_i2f_conv</h3> |
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<p>Controls the issuing of warnings for implicit int-to-float conversions.</p> |
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<h5>Syntax</h5> |
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<p class="code">#pragma warn_impl_i2f_conv on | off | reset |
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</p> |
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<h5>Targets</h5> |
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All platforms.<br /> |
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<h5>Remarks</h5> |
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<p>If you enable this pragma, the compiler issues a warning for implicitly converting integral values to floating-point values. Listing 10.38 provides an example.</p> |
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<div class="listing"> |
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<h4>Listing 10.38 Example of Implicit int-to-float Conversion</h4> |
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<p>#pragma warn_implicitconv on // required to enable warnings<br /> |
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#pragma warn_impl_i2f_conv on // enable conversion warning </p> |
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<p>float f1, f2;<br /> |
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signed int si1, si2;</p> |
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<p>int main()<br /> |
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{<br /> |
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f1 = si1; // WARNING</p> |
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<p>#pragma warn_impl_i2f_conv off // disable conversion warning<br /> |
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f2 = si2; // OK<br /> |
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}</p> |
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</div> |
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<p>This pragma corresponds to the Integer to Float setting . To check this setting, use <span class="code"><span class="code">__option (warn_impl_i</span>2f_conv)</span>, described in <a href="../symbols/sym_settings.htm">Checking Settings</a>. The default setting is <span class="code">off</span>.</p> |
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<p class="note"><strong>NOTE</strong> The setting of this pragma is ignored unless <a href="p_warn_implicitconv.htm">warn_implicitconv</a> is on.</p> |
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<p></p> |
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<div id="footer">Copyright © 2010 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. <br>License: <a href="http://www.eclipse.org/legal/epl-v10.html">http://www.eclipse.org/legal/epl-v10.html</a></div> |
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</body> |
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</html> |