Kevin Ryde > Math-NumSeq > Math::NumSeq::Repdigits

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# CPAN RT

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Module Version: 72

# NAME

Math::NumSeq::Repdigits -- repdigits 11, 22, 33, etc

# SYNOPSIS

``` use Math::NumSeq::Repdigits;
my \$seq = Math::NumSeq::Repdigits->new (radix => 10);
my (\$i, \$value) = \$seq->next;```

# DESCRIPTION

The sequence of repdigit numbers,

```    0, 1 ... 9, 11, 22, 33, ... 99, 111, 222, 333, ..., 999, etc
starting i=0```

comprising repetitions of a single digit. The default is decimal or a `radix` parameter can be given.

# FUNCTIONS

See "FUNCTIONS" in Math::NumSeq for behaviour common to all sequence classes.

`\$seq = Math::NumSeq::Repdigits->new ()`
`\$seq = Math::NumSeq::Repdigits->new (radix => \$r)`

Create and return a new sequence object.

## Random Access

`\$value = \$seq->ith(\$i)`

Return the `\$i`'th repdigit.

`\$bool = \$seq->pred(\$value)`

Return true if `\$value` is a repdigit in the given `radix`.

`\$i = \$seq->value_to_i_ceil(\$value)`
`\$i = \$seq->value_to_i_floor(\$value)`

Return the `\$i` index of `\$value`, rounding up or down if `\$value` is not a repdigit.

`\$i = \$seq->value_to_i_estimate(\$value)`

Return an estimate of the i corresponding to `\$value`.

# HOME PAGE

http://user42.tuxfamily.org/math-numseq/index.html

# LICENSE

Copyright 2010, 2011, 2012, 2013, 2014 Kevin Ryde

Math-NumSeq is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version.

Math-NumSeq 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 General Public License for more details.

You should have received a copy of the GNU General Public License along with Math-NumSeq. If not, see <http://www.gnu.org/licenses/>.

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