In computer science and numerical analysis, unit in the last place or unit of least precision (ULP) is the spacing between floating-point numbers, iâ€¦Â (More)

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2009

2009

- Dong-U Lee, Ray C. C. Cheung, Wayne Luk, John D. Villasenor
- IEEE Transactions on Very Large Scale Integrationâ€¦
- 2009

This paper presents a method for evaluating functions based on piecewise polynomial approximations (splines) with a hierarchicalâ€¦Â (More)

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2007

2007

- Ray C. C. Cheung, Dong-U Lee, Wayne Luk, John D. Villasenor
- IEEE Transactions on Very Large Scale Integrationâ€¦
- 2007

We present an automated methodology for producing hardware-based random number generator (RNG) designs for arbitraryâ€¦Â (More)

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2007

2007

- Dong-U Lee, Ray C. C. Cheung, John D. Villasenor
- IEEE Transactions on Very Large Scale Integrationâ€¦
- 2007

We present a flexible hardware architecture for precise gamma correction via piece-wise linear polynomial approximationsâ€¦Â (More)

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2007

2007

- Dong-U Lee, John D. Villasenor
- IEEE Transactions on Computers
- 2007

We present an automated bit-width optimization methodology for polynomial-based hardware function evaluation. Due to theâ€¦Â (More)

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Highly Cited

2006

Highly Cited

2006

- Dong-U Lee, John D. Villasenor, Wayne Luk, Philip Heng Wai Leong
- IEEE Transactions on Computers
- 2006

We present a hardware Gaussian noise generator based on the Box-Muller method that provides highly accurate noise samples. Theâ€¦Â (More)

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2001

2001

- Kent E. Wires, Michael J. Schulte, Don McCarley
- FPL
- 2001

Significant reductions in FPGA resources, delay, and power can be achieved using truncated multipliers instead of standardâ€¦Â (More)

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1999

1999

- Cristina Iordache, David W. Matula
- Electr. Notes Theor. Comput. Sci.
- 1999

Reciprocal and root reciprocal functions at half and IEEE single precision for mats are speci ed in the AMD DNow instruction setâ€¦Â (More)

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1998

1998

- Stephen L. Abrams, Wonjoon Cho, +4 authors Xiuzi Ye
- Computer-Aided Design
- 1998

We present an efficient and reliable method for computing the unitâ€“inâ€“theâ€“lastâ€“place (ulp) of a double precision floatingâ€“pointâ€¦Â (More)

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1995

1995

- Thomas W. Lynch, Ashraf Ahmed, Michael J. Schulte, Thomas K. Callaway, Robert Tisdale
- IEEE Symposium on Computer Arithmetic
- 1995

This paper describes the development of the tmnscendental instructions for the K5, AMD â€™s recently completed x86 compatibleâ€¦Â (More)

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1990

1990

- Ping Tak Peter Tang
- ACM Trans. Math. Softw.
- 1990

Table-driven techniques can be used to test highly accurate implementation of EXP LOG. The largest error observeed in EXP and LOGâ€¦Â (More)

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