File: pow2.doc

package info (click to toggle)
hol-light 20120602-1
  • links: PTS, VCS
  • area: main
  • in suites: wheezy
  • size: 23,452 kB
  • sloc: ml: 348,797; cpp: 438; java: 279; makefile: 252; sh: 183; yacc: 108; perl: 78; ansic: 57; sed: 39
file content (26 lines) | stat: -rw-r--r-- 401 bytes parent folder | download | duplicates (7) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
 
\DOC pow2

\TYPE {pow2 : int -> num}

\SYNOPSIS
Returns power of 2 as unlimited-size integer.

\DESCRIBE
When applied to an integer {n} (type {int}), {pow2} returns $2^n$ as an
unlimited-precision integer (type {num}). The argument may be negative.

\FAILURE
Never fails.

\EXAMPLE
{
  # pow2(-2);;
  val it : num = 1/4
  # pow2(64);;
  val it : num = 18446744073709551616
}

\SEEALSO
pow10.

\ENDDOC