softfloat.c

浮点数计算，浮点数加法、减法、乘法、除法。 This work was made possible in part by the International Computer Science Institute, located at Suite 600, 1947 Center Street, Berkeley, California 94704. Funding was partially provided by the National Science Foundation under grant MIP-9311980. The original version of this code was written as part of a project to build a fixed-point vector processor in collaboration with the University of California at Berkeley, overseen by Profs. Nelson Morgan and John Wawrzynek. More information is available through the Web page `http://www.cs.berkeley.edu/~jhauser/ arithmetic/SoftFloat.html'.