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Evaluation of polynomials with floating-point components
Evaluation of polynomials with floating-point components
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机译:带有浮点分量的多项式的求值
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摘要
A Method identifies a floating point implementation of a polynomial that is accurately evaluable. The method comprises determining whether the polynomial has an allowable variety defined by a plurality of sub-varieties, and, if so, partitioning the input domain of the polynomial into a plurality of sub-domains about the sub-varieties. A floating point precision is then identified for each input to the polynomial falling within each sub-domain based on the location of the input within the sub-domain (e.g. how far away the input is from the sub-variety associated with the sub-domain). A floating point implementation for the polynomial is generated so that an input to the polynomial is evaluated using floating point components having the precision identified for the input.
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