System and method for generating an integer part of a logarithm of a floating point operand

A computer-readable medium on which is stored a set of instructions for generating an integer part of a logarithm of a floating point operand, which when executed performs steps comprising:

• analyzing a format of the floating point operand and generating at least one signal representative of the format;
• determining a magnitude of an unbiased exponent of the floating point operand as an intermediate result based on the at least one signal, wherein the unbiased exponent is represented by unbiased exponent bits;
• determining an exponent field of the intermediate result;
• determining a fraction field high part of the intermediate result;
• and
• assembling a result equal to the integer part of the logarithm of the floating point operand based on the at least one signal wherein, if the floating point operand is in at least one of a denormalized format, a normalized non-zero format, and a delimited format, an exponent field of the result equals the exponent field of the intermediate result and a fraction field high part of the result equals the fraction field high part of the intermediate result.

A system for generating an integer part of a logarithm of a floating point operand comprising:

• an operand analysis unit for analyzing a format of the floating point operand and generating at least one signal representative of the format;
• a processing unit coupled to the operand analysis unit, the processing unit being operative to determine a magnitude of an unbiased exponent of the floating point operand as an intermediate result based on the at least one signal, determine an exponent field of the intermediate result, and determine a fraction field high part of the intermediate result;
• and
• a result generator coupled to the operand analysis unit and the processing unit, the result generator being operative to assemble a result equal to the integer part of the logarithm of the floating point operand based on the at least one signal, wherein, if the floating point operand is in at least one of a denormalized format, a normalized non-zero format, and a delimited format, an exponent field of the result equals the exponent field of the intermediate result and a fraction field high part of the result equals the fraction field high part of the intermediate result.