single-precision number

single-precision number

[′siŋ·gəl prə¦sizh·ən ′nəm·bər]
(computer science)
A number having as many digits as are ordinarily used in a given computer, in contrast to a double-precision number. Also known as short-precision number.
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In his paper, Yasuda notes that since roundoff error should be unbiased and nearly random, the sum of N single-precision numbers with an absolute value, s, contains the relative error of [2.
We have assumed that the hardware supports double-precision arithmetic and that the double-precision format holds at least two digits more than in the product of two single-precision numbers, a condition met by IEEE floating point [ANSI 1985].
The result is returned as four single-precision numbers.
Figure 4 shows one way to add two numbers in the single-single format and return the leading quad-precision part of the result in four single-precision numbers.
Converting this double-precision result into two single-precision numbers gets us ready for the next operation.
Numeric variables can be convened to string variables by using the MKS$, MKI$, or MKD$ functions for single-precision numbers, integers, and double-precision numbers, respectively.

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