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Add exact arithmetic implementation and tests

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- Introduced exact arithmetic with support for large integers and fractions in `exact.gd`, `big_integer.gd`, and `exact_value.gd`.
- Implemented a comprehensive test suite in `test_exact_math.gd` to validate arithmetic operations against expected results.
- Added a README in `math` directory to document the exact arithmetic system and its usage.
- Ensured that all arithmetic operations maintain precision without floating-point errors, using a custom representation for large numbers.
- Included methods for encoding and decoding exact values for serialization.
This commit is contained in:
Kirill
2026-09-30 08:08:27 +03:00
parent f2111a376a
commit fb8a3f5658
58 changed files with 5139 additions and 2162 deletions
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tests/test_production_transaction.gd
+27 -26
View File
@@ -1,4 +1,5 @@
extends SceneTree
const E = preload("res://world/owniverse/math/exact.gd")
const Clock = preload("res://world/owniverse/simulation_time.gd")
var checks: int = 0
var failures: int = 0
@@ -7,9 +8,9 @@ func _initialize() -> void:
call_deferred("run")
func check(condition: bool, message: String) -> void:
checks += 1
if not condition:
failures += 1
checks = E.add(checks, 1)
if (not condition):
failures = E.add(failures, 1)
push_error(message)
func fixture():
@@ -18,16 +19,16 @@ func fixture():
for id in global.OwniverseEntities:
var entity = load("res://world/owniverse/owniverse_entity.gd").new(global.OwniverseEntities[id])
world.catalog.entities[id] = entity
world.state.amount[id] = 0.0
world.state.stats.total_amount[id] = 0.0
if entity.group_as != "":
world.state.amount[entity.group_as] = 0.0
world.state.stats.total_amount[entity.group_as] = 0.0
world.state.amount[id] = 0
world.state.stats.total_amount[id] = 0
if E.ne(entity.group_as, ""):
world.state.amount[entity.group_as] = 0
world.state.stats.total_amount[entity.group_as] = 0
world.catalog.entities["N"].life_product = {}
world.catalog.entities["N"].product_per_year_type = "H"
world.catalog.entities["N"].product_per_year_amount = 10.0
world.catalog.entities["N"].auto = 0.0
world.state.amount.N = 1.0
world.catalog.entities["N"].product_per_year_amount = 10
world.catalog.entities["N"].auto = 0
world.state.amount.N = 1
return world
func dispose(world) -> void:
@@ -38,21 +39,21 @@ func dispose(world) -> void:
func run() -> void:
var world = fixture()
world.evolution.initialize_life_batches()
world.catalog.entities.N.cost = {"H": 2.0}
world.catalog.entities.N.bind = {"S": 3.0}
world.state.amount.H = 10.0
world.state.amount.S = 0.0
world.state.auto_resources = {"H": 10.0}
world.state.batches.H = [{"amount": 10.0, "start_year": 1.0, "end_year": 2.0}]
world.catalog.entities.N.cost = {"H": 2}
world.catalog.entities.N.bind = {"S": 3}
world.state.amount.H = 10
world.state.amount.S = 0
world.state.auto_resources = {"H": 10}
world.state.batches.H = [{"amount": 10, "start_year": 1, "end_year": 2}]
var before: Dictionary = world.state.duplicate(true)
check(not world.production.try_production(world.state, world.catalog.entities.N, 1.0, true), "Binding failure rejects production")
check(world.state == before, "Failure preserves costs, batches and budget")
world.state.amount.S = 10.0
check((not world.production.try_production(world.state, world.catalog.entities.N, 1, true)), "Binding failure rejects production")
check(E.eq(world.state, before), "Failure preserves costs, batches and budget")
world.state.amount.S = 10
var old_batches: Array = world.state.batches.H
check(world.production.try_production(world.state, world.catalog.entities.N, 2.0, true), "Funded production succeeds")
check(world.state.amount.H == 6.0 and world.state.amount.S == 4.0, "Exact cost and binding")
check(world.state.auto_resources.H == 6.0, "Exact automatic budget")
check(old_batches[0].amount == 10.0 and world.state.batches.H[0].amount == 6.0, "Consumed batches isolated")
print("Transaction: %d checks, %d failures" % [checks, failures])
check(world.production.try_production(world.state, world.catalog.entities.N, 2, true), "Funded production succeeds")
check((E.eq(world.state.amount.H, 6) and E.eq(world.state.amount.S, 4)), "Exact cost and binding")
check(E.eq(world.state.auto_resources.H, 6), "Exact automatic budget")
check((E.eq(old_batches[0].amount, 10) and E.eq(world.state.batches.H[0].amount, 6)), "Consumed batches isolated")
print(("Transaction: %d checks, %d failures" % [checks, failures]))
dispose(world)
quit(1 if failures else 0)
quit((1 if failures else 0))