Boots – shoes – and leggings
Patent
1990-09-28
1993-02-16
Mai, Tan V.
Boots, shoes, and leggings
36471504, G06F 738
Patent
active
051876787
ABSTRACT:
A priority encoder with two inputs, an exponent input and a mantissa input, forming a floating-point number, wherein the priority encoder outputs the smallest value after comparing the two inputs and the output from the priority encoder is input to a substractor and a barrel shifter. The barrel shifter shifts the mantissa input before the completion of the subtract operation. First, the mantissa input is left-shifted by the left barrel shifter under the selection of the selector controlled by the control signal in accordance with the value of the exponent input. The first result from the barrel shifter is stored in the data holding circuit after shifting it to the right by one bit with the right direction 1-bit shifter. Next, the mantissa input is shifted to the left by the left direction barrel shifter. The second result of the barrel shifter is not stored in the data holding circuit. One of the above two results is selected by the selector.
REFERENCES:
patent: 4779220 (1988-10-01), Nukiyama
patent: 4785421 (1988-11-01), Takahashi et al.
patent: 4794557 (1988-12-01), Yoshida et al.
patent: 4807172 (1989-02-01), Nukiyama
patent: 4922446 (1990-05-01), Zurawski et al.
patent: 4947358 (1990-08-01), Lamere et al.
Kabushiki Kaisha Toshiba
Mai Tan V.
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