真正的

代码说明：

Real - Java floating point library for MIDP devices-Current version: 1.13 Copyright: 2003-2009 Roar Lauritzsen, roarl at users.sourceforge.net Availability: The library is available under the GPL license, or for a fee for commercial use. Develop: See http://sourceforge.net/projects/real-java Feedback: Comments, reports of use, bug reports, bug fixes, improvements, performance tests and comparisons to similar libraries are all welcome. Javadoc: Read the full documentation here. "Real.java" is a self-contained, single file Java floating point emulation library for MIDP devices, such as a Java-enabled cell-phone or PDA. The MIDP/CLDC 1.0 standard does not support the basic floating point types "float" or "double", so when I set out to program a scientific calculator for my cell-phone, I had to reinvent floating point arithmetic from scratch, using only integer basic types. I found it a very interesting and educating challenge. Download For a pure java version, use the f