Double-precision floating point extraction operation method and system
A double-precision, floating-point technology, applied in computing, instrumentation, electrical digital data processing, etc., can solve the problems of increasing iteration times, complex logic, computing speed, resource consumption, etc., to solve error amplification and improve computing efficiency , the effect of reducing the error
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[0036] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0037] figure 1 Provided the flow chart of the square extraction operation of the double-precision floating-point number of the present invention. First, the 64-bit double-precision floating-point number is decomposed into a sign bit, an order and a mantissa, and the sign bit and the order respectively judge the positive and negative values and At the same time, the mantissa is shifted according to the parity of the exponent code, and the sign bit and the exponent code after the operation are stored in the RAM; then, the mantissa part of the number to be extracted is input into the fixed-point square root module, through The CORDIC algorithm performs square root calculation on the amplified 106-bit fixed-point number. In this method, the value of correction coefficient K is processed by shift operation in FPGA, and the auxiliary parameter CO...
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