indexing
description: "Intervals between absolute values"
legal: "See notice at end of class."
status: "See notice at end of class."
date: "$Date: 2006-01-22 18:25:44 -0800 (Sun, 22 Jan 2006) $"
revision: "$Revision: 56675 $"
class interface
INTERVAL [G -> ABSOLUTE]
create
make (s, e: G)
start_boundend_bound`s'`e'
require
start_exists: s /= Void
end_exists: e /= Void
start_before_end: s <= e
ensure
start_bound_set: start_bound /= Void and then deep_equal (start_bound, s)
end_bound_set: end_bound /= Void and then deep_equal (end_bound, e)
feature
make (s, e: G)
start_boundend_bound`s'`e'
require
start_exists: s /= Void
end_exists: e /= Void
start_before_end: s <= e
ensure
start_bound_set: start_bound /= Void and then deep_equal (start_bound, s)
end_bound_set: end_bound /= Void and then deep_equal (end_bound, e)
feature
end_bound: G
generating_type: STRING_8
ANY
generator: STRING_8
ANY
start_bound: G
feature
duration: DURATION
feature
frozen deep_equal (some: ANY; other: like arg #1): BOOLEAN
`some'`other'
ANY
ensure ANY
shallow_implies_deep: standard_equal (some, other) implies Result
both_or_none_void: (some = Void) implies (Result = (other = Void))
same_type: (Result and (some /= Void)) implies some.same_type (other)
symmetric: Result implies deep_equal (other, some)
frozen equal (some: ANY; other: like arg #1): BOOLEAN
`some'`other'
ANY
ensure ANY
definition: Result = (some = Void and other = Void) or else ((some /= Void and other /= Void) and then some.is_equal (other))
includes (other: like Current): BOOLEAN
`other'
require PART_COMPARABLE
other_exists: other /= Void
intersects (other: like Current): BOOLEAN
`other'
require
other_exists: other /= Void
is_equal (other: like Current): BOOLEAN
`other'
require ANY
other_not_void: other /= Void
ensure ANY
symmetric: Result implies other.is_equal (Current)
consistent: standard_is_equal (other) implies Result
is_included_by (other: like Current): BOOLEAN
`other'
require PART_COMPARABLE
other_exists: other /= Void
is_met_by (other: like Current): BOOLEAN
`other'
require
other_exists: other /= Void
ensure
symmetry: Result = other.meets (Current)
is_overlapped_by (other: like Current): BOOLEAN
`other'
require
other_exists: other /= Void
ensure
symmetry: Result = other.overlaps (Current)
is_strict_included_by (other: like Current): BOOLEAN
`other'
require PART_COMPARABLE
other_exists: other /= Void
meets (other: like Current): BOOLEAN
`other'
require
other_exists: other /= Void
ensure
symmetry: Result = other.is_met_by (Current)
result_definition: Result = (Current <= other and intersects (other))
overlaps (other: like Current): BOOLEAN
`other'
require
other_exists: other /= Void
ensure
result_defition: Result = (strict_before (other.end_bound) and has (other.start_bound))
symmetry: Result = other.is_overlapped_by (Current)
frozen standard_equal (some: ANY; other: like arg #1): BOOLEAN
`some'`other'
ANY
ensure ANY
definition: Result = (some = Void and other = Void) or else ((some /= Void and other /= Void) and then some.standard_is_equal (other))
frozen standard_is_equal (other: like Current): BOOLEAN
`other'
ANY
require ANY
other_not_void: other /= Void
ensure ANY
same_type: Result implies same_type (other)
symmetric: Result implies other.standard_is_equal (Current)
strict_includes (other: like Current): BOOLEAN
`other'
require PART_COMPARABLE
other_exists: other /= Void
infix "<" (other: like Current): BOOLEAN
`other'
require PART_COMPARABLE
other_exists: other /= Void
infix "<=" (other: like Current): BOOLEAN
`other'
require PART_COMPARABLE
other_exists: other /= Void
infix ">" (other: like Current): BOOLEAN
`other'
require PART_COMPARABLE
other_exists: other /= Void
infix ">=" (other: like Current): BOOLEAN
`other'
require PART_COMPARABLE
other_exists: other /= Void
feature
after (v: G): BOOLEAN
`v'
require
exists: v /= Void
ensure
result_definition: Result = (start_bound >= v)
before (v: G): BOOLEAN
`v'
require
exists: v /= Void
ensure
result_definition: Result = (end_bound <= v)
conforms_to (other: ANY): BOOLEAN
`other'
ANY
require ANY
other_not_void: other /= Void
empty: BOOLEAN
ensure
result_definition: Result = duration.is_equal (duration.zero)
has (v: G): BOOLEAN
`v'
require
exists: v /= Void
ensure
result_definition: Result xor not ((start_bound <= v) and then (end_bound >= v))
same_type (other: ANY): BOOLEAN
`other'
ANY
require ANY
other_not_void: other /= Void
ensure ANY
definition: Result = (conforms_to (other) and other.conforms_to (Current))
strict_after (v: G): BOOLEAN
`v'
require
exists: v /= Void
ensure
result_definition: Result = (start_bound > v)
strict_before (v: G): BOOLEAN
`v'
require
exists: v /= Void
ensure
result_definition: Result xor (not (end_bound < v))
feature
set_end_bound (e: G)
end_bound`e'
require
end_bound_exists: e /= Void
end_after_start_bound: e >= start_bound
ensure
end_bound_set: equal (end_bound, e)
set_start_bound (s: G)
start_bound`s'
require
start_bound_exists: s /= Void
start_before_end_bound: s <= end_bound
ensure
start_bound_set: equal (start_bound, s)
feature
copy (other: like Current)
`other'
ANY
require ANY
other_not_void: other /= Void
type_identity: same_type (other)
ensure ANY
is_equal: is_equal (other)
frozen deep_copy (other: like Current)
copy`other'deep_twin
ANY
require ANY
other_not_void: other /= Void
ensure ANY
deep_equal: deep_equal (Current, other)
frozen deep_twin: like Current
ANY
ensure ANY
deep_equal: deep_equal (Current, Result)
frozen standard_copy (other: like Current)
`other'
ANY
require ANY
other_not_void: other /= Void
type_identity: same_type (other)
ensure ANY
is_standard_equal: standard_is_equal (other)
frozen standard_twin: like Current
`other'
ANY
ensure ANY
standard_twin_not_void: Result /= Void
equal: standard_equal (Result, Current)
frozen twin: like Current
`Current'
twincopycopy
ANY
ensure ANY
twin_not_void: Result /= Void
is_equal: Result.is_equal (Current)
feature
frozen default: like Current
ANY
frozen default_pointer: POINTER
`POINTER'
`p'default
`p'`POINTER'
ANY
default_rescue
ANY
frozen do_nothing
ANY
gather (other: like Current): like Current
`other'`other'
require
other_exist: other /= Void
meeting_interval: meets (other)
ensure
result_exist: Result /= Void
result_same_as_union: Result.is_equal (union (other))
intersection (other: like Current): like Current
`other'
require
other_exists: other /= Void
ensure
intersects_validity: intersects (other) implies Result /= Void
result_is_included_by_current: intersects (other) implies includes (Result)
result_is_included_by_other: intersects (other) implies other.includes (Result)
union (other: like Current): like Current
`other'
require
other_exists: other /= Void
intersects: intersects (other)
ensure
result_exists: Result /= Void
result_includes_current: Result.includes (Current)
result_includes_other: Result.includes (other)
feature
io: STD_FILES
ANY
out: STRING_8
print (some: ANY)
`some'
ANY
frozen tagged_out: STRING_8
ANYout
ANY
feature
operating_environment: OPERATING_ENVIRONMENT
ANY
invariant
start_bound_exists: start_bound /= Void
end_bound_exists: end_bound /= Void
start_bound_before_end_bound: start_bound <= end_bound
current_intersection: intersection (Current).is_equal (Current)
current_union: union (Current).is_equal (Current)
has_bounds: has (start_bound) and has (end_bound)
between_bound: after (start_bound) and before (end_bound)
ANY
reflexive_equality: standard_is_equal (Current)
reflexive_conformance: conforms_to (Current)
indexing
copyright: "Copyright (c) 1984-2006, Eiffel Software and others"
license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
source: "[
Eiffel Software
356 Storke Road, Goleta, CA 93117 USA
Telephone 805-685-1006, Fax 805-685-6869
Website http://www.eiffel.com
Customer support http://support.eiffel.com
]"
end INTERVAL