Method and apparatus for handling overflow and underflow in processing floating-point numbers

  • US 5,892,697 A
  • Filed: 12/19/1995
  • Issued: 04/06/1999
  • Est. Priority Date: 12/19/1995
  • Status: Expired due to Term
First Claim
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1. A method for processing floating-point numbers, each floating-point number having at least a sign portion, an exponent portion and a mantissa portion, comprising the steps of:

  • converting a floating-point number memory register representation to a floating-point register representation;

    rounding the converted floating-point number;

    performing an arithmetic computation upon said rounded number resulting in a new floating-point value; and

    converting the resulting new floating-point register value to a floating-point memory register representation.

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