Automatic generation produced by ISE Eiffel
note description: "Unsigned integer values coded on 16 bits" external_name: "System.UInt16" assembly: "mscorlib" library: "Free implementation of ELKS library" status: "See notice at end of class." legal: "See notice at end of class." date: "$Date: 2020-04-15 10:06:04 -0800 (Wed, 15 Apr 2020) $" revision: "$Revision: 104046 $" frozen expanded class interface NATURAL_16 create default_create -- Process instances of classes with no creation clause. -- (Default: do nothing.) -- (from ANY) make_from_reference (v: NATURAL_16_REF) -- Initialize Current with v.item. -- (from NATURAL_16_REF) require -- from NATURAL_16_REF v_not_void: v /= Void ensure -- from NATURAL_16_REF item_set: item = v.item convert make_from_reference ({NATURAL_16_REF}), make_from_reference: {REAL_32}, make_from_reference: {REAL_64}, make_from_reference: {INTEGER_32}, make_from_reference: {INTEGER_64}, make_from_reference: {NATURAL_32}, make_from_reference: {NATURAL_64} feature -- Access generating_type: TYPE [detachable NATURAL_16] -- Type of current object -- (type of which it is a direct instance) -- (from ANY) ensure -- from ANY generating_type_not_void: Result /= Void generator: STRING_8 -- Name of current object's generating class -- (base class of the type of which it is a direct instance) -- (from ANY) ensure -- from ANY generator_not_void: Result /= Void generator_not_empty: not Result.is_empty hash_code: INTEGER_32 -- Hash code value. -- (from NATURAL_16_REF) ensure -- from HASHABLE good_hash_value: Result >= 0 item: NATURAL_16 -- Value. -- (from NATURAL_16_REF) Max_value: NATURAL_16 = 65535 -- Minimum and Maximum value hold in `item`. -- (from NATURAL_16_REF) Min_value: NATURAL_16 = 0 -- (from NATURAL_16_REF) one: NATURAL_16 -- Neutral element for "*" and "/". -- (from NATURAL_16_REF) ensure -- from NUMERIC result_exists: Result /= Void sign: INTEGER_32 -- Sign value (0 or 1). -- (from NATURAL_16_REF) ensure -- from NATURAL_16_REF three_way: Result = three_way_comparison (zero) zero: NATURAL_16 -- Neutral element for "+" and "-". -- (from NATURAL_16_REF) ensure -- from NUMERIC result_exists: Result /= Void feature -- Comparison frozen deep_equal (a: detachable ANY; b: like arg #1): BOOLEAN -- Are a and b either both void -- or attached to isomorphic object structures? -- (from ANY) ensure -- from ANY instance_free: class shallow_implies_deep: standard_equal (a, b) implies Result both_or_none_void: (a = Void) implies (Result = (b = Void)) same_type: (Result and (a /= Void)) implies (b /= Void and then a.same_type (b)) symmetric: Result implies deep_equal (b, a) frozen equal (a: detachable ANY; b: like arg #1): BOOLEAN -- Are a and b either both void or attached -- to objects considered equal? -- (from ANY) ensure -- from ANY instance_free: class definition: Result = (a = Void and b = Void) or else ((a /= Void and b /= Void) and then a.is_equal (b)) frozen is_deep_equal alias "≡≡≡" (other: NATURAL_16): BOOLEAN -- Are Current and other attached to isomorphic object structures? -- (from ANY) require -- from ANY other_not_void: other /= Void ensure -- from ANY shallow_implies_deep: standard_is_equal (other) implies Result same_type: Result implies same_type (other) symmetric: Result implies other.is_deep_equal (Current) is_equal (other: NATURAL_16): BOOLEAN -- Is other attached to an object of the same type -- as current object and identical to it? -- (from NATURAL_16_REF) require -- from ANY other_not_void: other /= Void ensure -- from ANY symmetric: Result implies other ~ Current consistent: standard_is_equal (other) implies Result ensure then -- from COMPARABLE trichotomy: Result = (not (Current < other) and not (other < Current)) is_greater alias ">" (other: NATURAL_16): BOOLEAN -- Is current object greater than other? -- (from COMPARABLE) require -- from PART_COMPARABLE other_exists: other /= Void ensure then -- from COMPARABLE definition: Result = (other < Current) is_greater_equal alias ">=" alias "≥" (other: NATURAL_16): BOOLEAN -- Is current object greater than or equal to other? -- (from COMPARABLE) require -- from PART_COMPARABLE other_exists: other /= Void ensure then -- from COMPARABLE definition: Result = (other <= Current) is_less alias "<" (other: NATURAL_16): BOOLEAN -- Is current integer less than other? require -- from PART_COMPARABLE other_exists: other /= Void ensure then -- from COMPARABLE asymmetric: Result implies not (other < Current) is_less_equal alias "<=" alias "≤" (other: NATURAL_16): BOOLEAN -- Is current object less than or equal to other? -- (from COMPARABLE) require -- from PART_COMPARABLE other_exists: other /= Void ensure then -- from COMPARABLE definition: Result = ((Current < other) or (Current ~ other)) max alias "∨" (other: NATURAL_16): NATURAL_16 -- The greater of current object and other -- (from COMPARABLE) require -- from COMPARABLE other_exists: other /= Void ensure -- from COMPARABLE current_if_not_smaller: Current >= other implies Result = Current other_if_smaller: Current < other implies Result = other min alias "∧" (other: NATURAL_16): NATURAL_16 -- The smaller of current object and other -- (from COMPARABLE) require -- from COMPARABLE other_exists: other /= Void ensure -- from COMPARABLE current_if_not_greater: Current <= other implies Result = Current other_if_greater: Current > other implies Result = other frozen standard_equal (a: detachable ANY; b: like arg #1): BOOLEAN -- Are a and b either both void or attached to -- field-by-field identical objects of the same type? -- Always uses default object comparison criterion. -- (from ANY) ensure -- from ANY instance_free: class definition: Result = (a = Void and b = Void) or else ((a /= Void and b /= Void) and then a.standard_is_equal (b)) frozen standard_is_equal alias "≜" (other: NATURAL_16): BOOLEAN -- Is other attached to an object of the same type -- as current object, and field-by-field identical to it? -- (from ANY) require -- from ANY other_not_void: other /= Void ensure -- from ANY same_type: Result implies same_type (other) symmetric: Result implies other.standard_is_equal (Current) three_way_comparison alias "⋚" (other: NATURAL_16): INTEGER_32 -- If current object equal to other, 0; -- if smaller, -1; if greater, 1 -- (from COMPARABLE) require -- from COMPARABLE other_exists: other /= Void ensure -- from COMPARABLE equal_zero: (Result = 0) = (Current ~ other) smaller_negative: (Result = -1) = (Current < other) greater_positive: (Result = 1) = (Current > other) feature -- Status report conforms_to (other: ANY): BOOLEAN -- Does type of current object conform to type -- of other (as per Eiffel: The Language, chapter 13)? -- (from ANY) require -- from ANY other_not_void: other /= Void divisible (other: NATURAL_16): BOOLEAN -- May current object be divided by other? -- (from NATURAL_16_REF) require -- from NUMERIC other_exists: other /= Void ensure then -- from NATURAL_16_REF value: Result = (other.item /= 0) exponentiable (other: NUMERIC): BOOLEAN -- May current object be elevated to the power other? -- (from NATURAL_16_REF) require -- from NUMERIC other_exists: other /= Void ensure then -- from NATURAL_16_REF safe_values: ((other.conforms_to (0) and item /= 0) or (other.conforms_to (0.0) and item > 0)) implies Result is_hashable: BOOLEAN -- May current object be hashed? -- (True if it is not its type's default.) -- (from NATURAL_16_REF) is_valid_character_32_code: BOOLEAN -- Does current object represent a {CHARACTER_32}? -- (from NATURAL_16_REF) ensure -- from NATURAL_16_REF in_bounds: Result = (item.to_natural_32 >= {CHARACTER_32}.min_value and item.to_natural_32 <= {CHARACTER_32}.max_value) is_valid_character_8_code: BOOLEAN -- Does current object represent a {CHARACTER_8}? -- (from NATURAL_16_REF) ensure -- from NATURAL_16_REF in_bounds: Result = (item.to_integer_32 >= {CHARACTER_8}.min_value and item.to_integer_32 <= {CHARACTER_8}.max_value) same_type (other: ANY): BOOLEAN -- Is type of current object identical to type of other? -- (from ANY) require -- from ANY other_not_void: other /= Void ensure -- from ANY definition: Result = (conforms_to (other) and other.conforms_to (Current)) feature -- Element change set_item (i: NATURAL_16) -- Make i the `item` value. -- (from NATURAL_16_REF) ensure -- from NATURAL_16_REF item_set: item = i feature -- Conversion as_integer_16: INTEGER_16 -- Convert `item` into an INTEGER_16 value. as_integer_32: INTEGER_32 -- Convert `item` into an INTEGER_32 value. as_integer_64: INTEGER_64 -- Convert `item` into an INTEGER_64 value. as_integer_8: INTEGER_8 -- Convert `item` into an INTEGER_8 value. as_natural_16: NATURAL_16 -- Convert `item` into an NATURAL_16 value. as_natural_32: NATURAL_32 -- Convert `item` into an NATURAL_32 value. as_natural_64: NATURAL_64 -- Convert `item` into an NATURAL_64 value. as_natural_8: NATURAL_8 -- Convert `item` into an NATURAL_8 value. to_binary_character: CHARACTER_8 -- Convert `item` into a binary character. -- (from NATURAL_16_REF) require -- from NATURAL_16_REF in_bounds: 0 <= item.to_integer_32 and item <= 1 ensure -- from NATURAL_16_REF valid_character: ("01").has (Result) to_binary_string: STRING_8 -- Convert `item` into a binary string. -- (from NATURAL_16_REF) ensure -- from NATURAL_16_REF result_not_void: Result /= Void result_valid_count: Result.count = {PLATFORM}.natural_16_bits binary: ∀ c: Result ¦ ("01").has (c) frozen to_boolean: BOOLEAN -- True if not `zero`. -- (from NATURAL_16_REF) to_character_32: CHARACTER_32 -- Associated character in 32 bit version. require -- from NATURAL_16_REF valid_character: is_valid_character_32_code to_character_8: CHARACTER_8 -- Associated character in 8 bit version. require -- from NATURAL_16_REF valid_character: is_valid_character_8_code to_hex_character: CHARACTER_8 -- `item` converted into a hexadecimal character. -- (from NATURAL_16_REF) require -- from NATURAL_16_REF in_bounds: 0 <= item.to_integer_32 and item <= 15 ensure -- from NATURAL_16_REF valid_character: ("0123456789ABCDEF").has (Result) to_hex_string: STRING_8 -- `item` converted into a hexadecimal string. -- (from NATURAL_16_REF) ensure -- from NATURAL_16_REF result_not_void: Result /= Void result_valid_count: Result.count = {PLATFORM}.natural_16_bits // 4 hexadecimal: ∀ c: Result ¦ ("0123456789ABCDEF").has (c) frozen to_integer_16: INTEGER_16 -- `item` converted into an {INTEGER_16} value. -- (from NATURAL_16_REF) require -- from NATURAL_16_REF not_too_big: item <= {INTEGER_16}.max_value.to_natural_16 frozen to_integer_32: INTEGER_32 -- `item` converted into an {INTEGER_32} value. -- (from NATURAL_16_REF) frozen to_integer_64: INTEGER_64 -- `item` converted into an {INTEGER_64} value. -- (from NATURAL_16_REF) frozen to_integer_8: INTEGER_8 -- `item` converted into an {INTEGER_8} value. -- (from NATURAL_16_REF) require -- from NATURAL_16_REF not_too_big: item <= {INTEGER_8}.max_value.to_natural_16 frozen to_natural_16: NATURAL_16 -- `item` converted into a {NATURAL_16} value. -- (from NATURAL_16_REF) frozen to_natural_32: NATURAL_32 -- `item` converted into a {NATURAL_32} value. -- (from NATURAL_16_REF) frozen to_natural_64: NATURAL_64 -- `item` converted into a {NATURAL_64} value. -- (from NATURAL_16_REF) frozen to_natural_8: NATURAL_8 -- `item` converted into a {NATURAL_8} value. -- (from NATURAL_16_REF) require -- from NATURAL_16_REF not_too_big: item <= {NATURAL_8}.max_value.to_natural_16 to_octal_character: CHARACTER_8 -- Convert `item` into an octal character. -- (from NATURAL_16_REF) require -- from NATURAL_16_REF in_bounds: 0 <= item.to_integer_32 and item <= 7 ensure -- from NATURAL_16_REF valid_character: ("01234567").has (Result) to_octal_string: STRING_8 -- Convert `item` into an octal string. -- (from NATURAL_16_REF) ensure -- from NATURAL_16_REF result_not_void: Result /= Void result_valid_count: Result.count = ({PLATFORM}.natural_16_bits / 3).ceiling_real_64.truncated_to_integer octal: ∀ c: Result ¦ ("01234567").has (c) to_real_32: REAL_32 -- Convert `item` into a REAL_32 to_real_64: REAL_64 -- Convert `item` into a REAL_64 to_reference: NATURAL_16_REF -- Associated reference of Current. -- (from NATURAL_16_REF) ensure -- from NATURAL_16_REF to_reference_not_void: Result /= Void feature -- Duplication copy (other: NATURAL_16) -- Update current object using fields of object attached -- to other, so as to yield equal objects. -- (from ANY) require -- from ANY other_not_void: other /= Void type_identity: same_type (other) ensure -- from ANY is_equal: Current ~ other frozen deep_copy (other: NATURAL_16) -- Effect equivalent to that of: -- `copy` (other . `deep_twin`) -- (from ANY) require -- from ANY other_not_void: other /= Void ensure -- from ANY deep_equal: deep_equal (Current, other) frozen deep_twin: NATURAL_16 -- New object structure recursively duplicated from Current. -- (from ANY) ensure -- from ANY deep_twin_not_void: Result /= Void deep_equal: deep_equal (Current, Result) frozen standard_copy (other: NATURAL_16) -- Copy every field of other onto corresponding field -- of current object. -- (from ANY) require -- from ANY other_not_void: other /= Void type_identity: same_type (other) ensure -- from ANY is_standard_equal: standard_is_equal (other) frozen standard_twin: NATURAL_16 -- New object field-by-field identical to other. -- Always uses default copying semantics. -- (from ANY) ensure -- from ANY standard_twin_not_void: Result /= Void equal: standard_equal (Result, Current) frozen twin: NATURAL_16 -- New object equal to Current -- `twin` calls `copy`; to change copying/twinning semantics, redefine `copy`. -- (from ANY) ensure -- from ANY twin_not_void: Result /= Void is_equal: Result ~ Current feature -- Basic operations frozen default: detachable NATURAL_16 -- Default value of object's type -- (from ANY) frozen default_pointer: POINTER -- Default value of type POINTER -- (Avoid the need to write p.`default` for -- some p of type POINTER.) -- (from ANY) ensure -- from ANY instance_free: class default_rescue -- Process exception for routines with no Rescue clause. -- (Default: do nothing.) -- (from ANY) frozen do_nothing -- Execute a null action. -- (from ANY) ensure -- from ANY instance_free: class identity alias "+": NATURAL_16 -- Unary plus require -- from NUMERIC True ensure -- from NUMERIC result_exists: Result /= Void integer_quotient alias "//" (other: NATURAL_16): NATURAL_16 -- Integer division of Current by other require -- from NUMERIC other_exists: other /= Void good_divisor: divisible (other) ensure -- from NUMERIC result_exists: Result /= Void integer_remainder alias "\\" (other: NATURAL_16): NATURAL_16 -- Remainder of the integer division of Current by other require -- from NATURAL_16_REF other_exists: other /= Void good_divisor: divisible (other) ensure -- from NATURAL_16_REF result_exists: Result /= Void interval alias "|..|" (other: INTEGER_32): INTEGER_INTERVAL -- Interval from current element to other -- (empty if other less than current integer) -- (from NATURAL_16_REF) minus alias "-" alias "−" (other: NATURAL_16): NATURAL_16 -- Result of subtracting other require -- from NUMERIC other_exists: other /= Void ensure -- from NUMERIC result_exists: Result /= Void plus alias "+" (other: NATURAL_16): NATURAL_16 -- Sum with other require -- from NUMERIC other_exists: other /= Void ensure -- from NUMERIC result_exists: Result /= Void commutative: Result ~ (other + Current) power alias "^" (other: REAL_64): REAL_64 -- Integer power of Current by other product alias "*" alias "×" (other: NATURAL_16): NATURAL_16 -- Product by other require -- from NUMERIC other_exists: other /= Void ensure -- from NUMERIC result_exists: Result /= Void quotient alias "/" alias "÷" (other: NATURAL_16): REAL_64 -- Division by other require -- from NATURAL_16_REF other_exists: other /= Void good_divisor: divisible (other) unapplicable_opposite: NATURAL_16 -- Unary minus. -- (from NATURAL_16_REF) require -- from NUMERIC True ensure -- from NUMERIC result_exists: Result /= Void ensure then -- from NATURAL_16_REF not_applicable: False feature -- Bit operations bit_and alias "&" alias "⊗" (i: NATURAL_16): NATURAL_16 -- Bitwise and between Current' and i. require -- from NATURAL_16_REF i_not_void: i /= Void ensure -- from NATURAL_16_REF bitwise_and_not_void: Result /= Void bit_not alias "⊝": NATURAL_16 -- One's complement of Current. ensure -- from NATURAL_16_REF bit_not_not_void: Result /= Void bit_or alias "|" alias "⦶" (i: NATURAL_16): NATURAL_16 -- Bitwise or between Current' and i. require -- from NATURAL_16_REF i_not_void: i /= Void ensure -- from NATURAL_16_REF bitwise_or_not_void: Result /= Void frozen bit_shift (n: INTEGER_32): NATURAL_16 -- Current shifted from n position to right if n positive, -- to left otherwise. -- (from NATURAL_16_REF) require -- from NATURAL_16_REF n_less_than_16: n < 16 n_greater_than_minus_16: n > -16 bit_shift_left alias "|<<" alias "⧀" (n: INTEGER_32): NATURAL_16 -- Shift Current from n position to left. require -- from NATURAL_16_REF n_nonnegative: n >= 0 n_less_than_16: n < 16 ensure -- from NATURAL_16_REF bit_shift_left_not_void: Result /= Void bit_shift_right alias "|>>" alias "⧁" (n: INTEGER_32): NATURAL_16 -- Shift Current from n position to right. require -- from NATURAL_16_REF n_nonnegative: n >= 0 n_less_than_16: n < 16 ensure -- from NATURAL_16_REF bit_shift_right_not_void: Result /= Void frozen bit_test (n: INTEGER_32): BOOLEAN -- Test n-th position of Current. -- (from NATURAL_16_REF) require -- from NATURAL_16_REF n_nonnegative: n >= 0 n_less_than_16: n < 16 bit_xor alias "⊕" (i: NATURAL_16): NATURAL_16 -- Bitwise xor between Current' and i. require -- from NATURAL_16_REF i_not_void: i /= Void ensure -- from NATURAL_16_REF bitwise_xor_not_void: Result /= Void frozen set_bit (b: BOOLEAN; n: INTEGER_32): NATURAL_16 -- Copy of current with n-th position -- set to 1 if b, 0 otherwise. -- (from NATURAL_16_REF) require -- from NATURAL_16_REF n_nonnegative: n >= 0 n_less_than_16: n < 16 frozen set_bit_with_mask (b: BOOLEAN; m: NATURAL_16): NATURAL_16 -- Copy of current with all 1 bits of m set to 1 -- if b, 0 otherwise. -- (from NATURAL_16_REF) feature -- Output Io: STD_FILES -- Handle to standard file setup -- (from ANY) ensure -- from ANY instance_free: class io_not_void: Result /= Void out: STRING_8 -- Printable representation of value. -- (from NATURAL_16_REF) require -- from DEBUG_OUTPUT True require -- from ANY True ensure -- from DEBUG_OUTPUT result_not_void: Result /= Void ensure -- from ANY out_not_void: Result /= Void print (o: detachable ANY) -- Write terse external representation of o -- on standard output. -- (from ANY) ensure -- from ANY instance_free: class frozen tagged_out: STRING_8 -- New string containing terse printable representation -- of current object -- (from ANY) ensure -- from ANY tagged_out_not_void: Result /= Void feature -- Platform Operating_environment: OPERATING_ENVIRONMENT -- Objects available from the operating system -- (from ANY) ensure -- from ANY instance_free: class operating_environment_not_void: Result /= Void invariant -- from ANY reflexive_equality: standard_is_equal (Current) reflexive_conformance: conforms_to (Current) -- from COMPARABLE irreflexive_comparison: not (Current < Current) note copyright: "Copyright (c) 1984-2020, Eiffel Software and others" license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)" source: "[ Eiffel Software 5949 Hollister Ave., Goleta, CA 93117 USA Telephone 805-685-1006, Fax 805-685-6869 Website http://www.eiffel.com Customer support http://support.eiffel.com ]" end -- class NATURAL_16 -- Generated by Eiffel Studio --
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