1: <?php
 2: /**
 3:  * Hard type support
 4:  * For when you absolutely want to know what you are getting
 5:  *
 6:  * @author Ashley Kitson <akitson@zf4.biz>
 7:  * @copyright Ashley Kitson, UK, 2014
 8:  * @licence GPL V3 or later : http://www.gnu.org/licenses/gpl.html
 9:  */
10: namespace chippyash\Type\Interfaces;
11: 
12: /**
13:  * A interface to mark numeric types
14:  */
15: interface NumericTypeInterface
16: {
17: 
18:     /**
19:      * Negates the number
20:      *
21:      * @return \chippyash\Type\Interfaces\NumericTypeInterface Fluent Interface
22:      */
23:     public function negate();
24: 
25:     /**
26:      * Return the number as a Complex number i.e. n+0i
27:      *
28:      * @return \chippyash\Type\Number\Complex\ComplexType
29:      */
30:     public function asComplex();
31: 
32:     /**
33:      * Return number as Rational number.
34:      * NB, numerator and denominator will be caste as IntTypes
35:      *
36:      * @return \chippyash\Type\Number\Rational\RationalType
37:      */
38:     public function asRational();
39: 
40:     /**
41:      * Return number as an IntType number.
42:      *
43:      * @return \chippyash\Type\Number\IntType
44:      */
45:     public function asIntType();
46: 
47:     /**
48:      * Return number as a FloatType number.
49:      *
50:      * @return \chippyash\Type\Number\FloatType
51:      */
52:     public function asFloatType();
53: 
54:     /**
55:      * Return the absolute value of the number
56:      *
57:      * @return \chippyash\Type\Interfaces\NumericTypeInterface
58:      */
59:     public function abs();
60: }
61: