NAME

Data::Object::Role::Number - Number Object Role for Perl 5

VERSION

version 0.59

SYNOPSIS

    use Data::Object::Class;

    with 'Data::Object::Role::Number';

DESCRIPTION

Data::Object::Role::Number provides routines for operating on Perl 5 numeric data.

METHODS

abs

    # given 12

    $number->abs; # 12

    # given -12

    $number->abs; # 12

The abs method returns the absolute value of the number. This method returns a number object.

atan2

    # given 1

    $number->atan2(1); # 0.785398163397448

The atan2 method returns the arctangent of Y/X in the range -PI to PI This method returns a float value.

cos

    # given 12

    $number->cos; # 0.843853958732492

The cos method computes the cosine of the number (expressed in radians). This method returns a float value.

data

    # given $number

    $number->data; # original value

The data method returns the original and underlying value contained by the object. This method is an alias to the detract method.

decr

    # given 123456789

    $number->decr; # 123456788

The decr method returns the numeric number decremented by 1. This method returns a data type object to be determined after execution.

defined

    # given $number

    $number->defined; # 1

The defined method returns true if the object represents a value that meets the criteria for being defined, otherwise it returns false. This method returns a number object.

detract

    # given $number

    $number->detract; # original value

The detract method returns the original and underlying value contained by the object.

downto

    # given 10

    $number->downto(5); # [10,9,8,7,6,5]

The downto method returns an array reference containing integer decreasing values down to and including the limit. This method returns a array object.

dump

    # given 12345

    $number->dump; # '12345'

The dump method returns returns a string representation of the object. This method returns a string value.

eq

    # given 12345

    $number->eq(12346); # 0

The eq method performs a numeric equality operation. This method returns a number object representing a boolean.

exp

    # given 0

    $number->exp; # 1

    # given 1

    $number->exp; # 2.71828182845905

    # given 1.5

    $number->exp; # 4.48168907033806

The exp method returns e (the natural logarithm base) to the power of the number. This method returns a float value.

ge

    # given 0

    $number->ge(0); # 1

The ge method returns true if the argument provided is greater-than or equal-to the value represented by the object. This method returns a Data::Object::Number object.

gt

    # given 99

    $number->gt(50); # 1

The gt method performs a numeric greater-than comparison. This method returns a number object representing a boolean.

hex

    # given 175

    $number->hex; # 0xaf

The hex method returns a hex string representing the value of the number. This method returns a string value.

incr

    # given 123456789

    $number->incr; # 123456790

The incr method returns the numeric number incremented by 1. This method returns a data type object to be determined after execution.

int

    # given 12.5

    $number->int; # 12

The int method returns the integer portion of the number. Do not use this method for rounding. This method returns a number value.

le

    # given 0

    $number->le; # 0

The le method returns true if the argument provided is less-than or equal-to the value represented by the object. This method returns a Data::Object::Number object.

log

    # given 12345

    $number->log; # 9.42100640177928

The log method returns the natural logarithm (base e) of the number. This method returns a float value.

lt

    # given 86

    $number->lt(88); # 1

The lt method performs a numeric less-than comparison. This method returns a number object representing a boolean.

methods

    # given $number

    $number->methods;

The methods method returns the list of methods attached to object. This method returns an array value.

mod

    # given 12

    $number->mod(1); # 0
    $number->mod(2); # 0
    $number->mod(3); # 0
    $number->mod(4); # 0
    $number->mod(5); # 2

The mod method returns the division remainder of the number divided by the argment. This method returns a number value.

ne

    # given -100

    $number->ne(100); # 1

The ne method performs a numeric equality operation. This method returns a number object representing a boolean.

neg

    # given 12345

    $number->neg; # -12345

The neg method returns a negative version of the number. This method returns a integer object.

new

    # given 1_000_000

    my $number = Data::Object::Number->new(1_000_000);

The new method expects a number and returns a new class instance.

pow

    # given 12345

    $number->pow(3); # 1881365963625

The pow method returns a number, the result of a math operation, which is the number to the power of the argument. This method returns a number object.

print

    # given 12345

    $number->print; # '12345'

The print method outputs the value represented by the object to STDOUT and returns true. This method returns a number value.

roles

    # given $number

    $number->roles;

The roles method returns the list of roles attached to object. This method returns an array value.

say

    # given 12345

    $number->say; # '12345\n'

The say method outputs the value represented by the object appended with a newline to STDOUT and returns true. This method returns a Data::Object::Number object.

sin

    # given 12345

    $number->sin; # -0.993771636455681

The sin method returns the sine of the number (expressed in radians). This method returns a data type object to be determined after execution.

sqrt

    # given 12345

    $number->sqrt; # 111.108055513541

The sqrt method returns the positive square root of the number. This method returns a data type object to be determined after execution.

throw

    # given $number

    $number->throw;

The throw method terminates the program using the core die keyword, passing the object to the Data::Object::Exception class as the named parameter object. If captured this method returns an exception value.

to

    # given 5

    $number->to(9); # [5,6,7,8,9]
    $number->to(1); # [5,4,3,2,1]

The to method returns an array reference containing integer increasing or decreasing values to and including the limit in ascending or descending order based on the value of the floating-point object. This method returns a array object.

type

    # given $number

    $number->type; # NUMBER

The type method returns a string representing the internal data type object name. This method returns a string value.

upto

    # given 23

    $number->upto(25); # [23,24,25]

The upto method returns an array reference containing integer increasing values up to and including the limit. This method returns a array object.

ROLES

This package is comprised of the following roles.

• Data::Object::Role::Comparison

• Data::Object::Role::Defined

• Data::Object::Role::Detract

• Data::Object::Role::Dumper

• Data::Object::Role::Item

• Data::Object::Role::Numeric

• Data::Object::Role::Output

• Data::Object::Role::Throwable

• Data::Object::Role::Type

• Data::Object::Role::Value

SEE ALSO

• Data::Object::Array

• Data::Object::Class

• Data::Object::Class::Syntax

• Data::Object::Code

• Data::Object::Float

• Data::Object::Hash

• Data::Object::Integer

• Data::Object::Number

• Data::Object::Role

• Data::Object::Role::Syntax

• Data::Object::Regexp

• Data::Object::Scalar

• Data::Object::String

• Data::Object::Undef

• Data::Object::Universal

• Data::Object::Autobox

• Data::Object::Immutable

• Data::Object::Library

• Data::Object::Prototype

• Data::Object::Signatures

AUTHOR

Al Newkirk <anewkirk@ana.io>

COPYRIGHT AND LICENSE

This software is copyright (c) 2014 by Al Newkirk.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.

cpanm Data::Object

perl -MCPAN -e shell
install Data::Object