SAS Formats under Windows |
Category | numeric |
Width range: | 2-8 |
Default width: | 4 |
Decimal range: | 0-10 |
Alignment: | left |
Windows specifics: | native floating-point representation |
See: | RBw.d in SAS Language Reference: Dictionary |
Syntax | |
Details | |
Examples | |
Example 1: Processing a Number That Is Too Large To Format | |
See Also |
Syntax |
RBw.d |
specifies a scaling factor. When you specify a d value, the RBw.d format multiplies the number by 10^{d}, and then applies the real binary format to that value.
Details |
The RBw.d format writes numeric data in real binary (floating-point) notation. Numeric data for scientific calculations are commonly represented in floating-point notation. (SAS stores all numeric values in floating-point notation.) A floating-point value consists of two parts: a mantissa that gives the value and an exponent that gives the value's magnitude.
Real binary is the most efficient format for representing numeric values because SAS already represents numbers this way and no conversion is needed.
For more information about Windows floating-point notation, see the Intel developer Web site.
Examples |
When a numeric value is too large to format, as in this example
data a; x = 1e308; y = put(x, RB8.2); put y = hex16.; run;
the result is
y=0000000000D1FFFF
See Also |
Copyright © 2010 by SAS Institute Inc., Cary, NC, USA. All rights reserved.