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floating-point accelerator

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(hardware)floating-point accelerator - (FPA) Additional hardware to perform functions on floating point numbers such as addition, multiplication, logarithms, exponentials, trigonometric functions and various kinds of rounding and error detection. A floating point accelerator often functions as a co-processor to the CPU.

The term "floating-point accelerator" suggests a physically larger system, often an extra circuit board, whereas a "floating-point unit" is probably a single chip or even part of a chip.
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For consumer markets, the new CPUs are Windows(R) CE compatible and feature an on-chip, high-performance floating-point accelerator that directly implements single- and double-precision operations, allowing graphics and audio functions to be processed in the microprocessor.
IDT Extends Scalability of RISController Family With New Socket and ... by Business Wire
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