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NAME
base - set default output base
SYNOPSIS
base([mode])
TYPES
mode real
return real
DESCRIPTION
The base function allows one to specify how numbers should be
printed. The base function provides a numeric shorthand to the
config("mode") interface. With no args, base() will return the
current mode. With 1 arg, base(val) will set the mode according to
the arg and return the previous mode.
The following convention is used to declare modes:
base equivalent
config("mode")'s
2 "binary" base 2 fractions
"bin"
8 "octal" base 8 fractions
"oct"
10 "real" base 10 floating point
"float"
"default"
-10 "integer" base 10 integers
"int"
16 "hexadecimal" base 16 fractions
"hex"
1/3 "fraction" base 10 fractions
"frac"
1e20 "scientific" base 10 scientific notation
"sci"
"exp"
1000 "engineering" base 10 notation with exponent
"eng" multiple of 3
For convenience, any non-integer value is assumed to mean base 10
fractions and any integer >= 2^64 is assumed to mean base 10
scientific notation.
These base() calls have the same meaning as config("mode", "fraction"):
base(1/3) base(0.1415) base(16/37)
These base() calls have the same meaning as config("mode", "scientific"):
base(1e20) base(2^64) base(2^8191-1)
However the base() function will only return one of the base values
listed in the table above.
EXAMPLE
; base()
10
; base(8)
012
; print 10
012
LIMITS
none
LINK LIBRARY
int math_setmode(int newmode)
NOTE: newmode must be one of MODE_DEFAULT, MODE_FRAC, MODE_INT,
MODE_REAL, MODE_EXP, MODE_ENG, MODE_HEX, MODE_OCTAL, MODE_BINARY
SEE ALSO
base2, config, str
## Copyright (C) 1999 Landon Curt Noll
##
## Calc is open software; you can redistribute it and/or modify it under
## the terms of the version 2.1 of the GNU Lesser General Public License
## as published by the Free Software Foundation.
##
## Calc is distributed in the hope that it will be useful, but WITHOUT
## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
## Public License for more details.
##
## A copy of version 2.1 of the GNU Lesser General Public License is
## distributed with calc under the filename COPYING-LGPL. You should have
## received a copy with calc; if not, write to Free Software Foundation, Inc.
## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
##
## Under source code control: 1994/09/30 00:09:39
## File existed as early as: 1994
##
## chongo <was here> /\oo/\ http://www.isthe.com/chongo/
## Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/
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