feedback7: the battle sim uses engine-independent math — Chrome, Firefox, Safari and the server agree bit for bit (PR #373 by @Cloudnyco)
- server/sim/detmath.js: hypot (sqrt of the squares, rescaled outside 2^±500), powi (integer powers in double-double, one rounding), sin / cos (fdlibm 5.3) and atan2 (fdlibm / FreeBSD msun) built only from correctly rounded IEEE operations; the sim's Math.hypot / sin / cos / atan2 / pow calls go through it (65 files); eslint.config.js forbids the approximated Math functions under server/sim and test/sim/detmath.test.js scans for them. - sin / cos / atan2 are the algorithms V8 runs in Node, so the server's results stay; only hypot differs from V8's. Golden: 2 moved — diy-027 (a hypot distance, damage +80) and coop3-ABYSS-5 (a later card pick from round 9, same end). - Applied unchanged after review (Grok static review: MERGE; the diff read in full: no network, no new dependency). - Tests: broad node --test 5155 / 5155 with the new file tracked (detmath 7 / 7, package 10 / 10); lint 0 errors, typecheck, check:imports.
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Cloudnyco authored and sganggs committed
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@@ -755,7 +755,7 @@
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"rounds": [
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{
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@@ -808,27 +808,27 @@
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"round": 9,
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{
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"round": 10,
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},
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{
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"round": 11,
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},
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{
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"round": 12,
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}
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],
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"players": {
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@@ -839,12 +839,12 @@
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"eliminatedRound": 10,
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"lp": 0,
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"bandId": "band_chiave",
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"title": {"id":"comment_5","name":"万事俱备","picId":"comment_icon_5","text":"装备配发数量最多"},
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"title": {"id":"comment_6","name":"挥金如土","picId":"comment_icon_6","text":"消耗资金最多"},
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"trophies": 2,
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"reward": 191,
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"lineup": [],
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"ai_1": {
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"alive": false,
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@@ -853,12 +853,12 @@
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"eliminatedRound": 12,
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"lp": 0,
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"bandId": "band_sarkazb",
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"title": {"id":"comment_4","name":"精英云集","picId":"comment_icon_4","text":"晋升精锐次数最多"},
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"title": {"id":"comment_5","name":"万事俱备","picId":"comment_icon_5","text":"装备配发数量最多"},
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"trophies": 2,
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"reward": 255,
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"stats": {"activatedLayers":0,"bossDamage":0,"dmgDealt":2293866,"gold":110,"itemsEquipped":10,"kills":222,"leaks":118,"lpLost":50,"merges":5,"perfectRounds":6,"refreshes":10},
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"lineup": [],
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"bonds": ["arcaneShip 0/45","indomShip 0/38","kazimierzShip 0/11","siracusaShip 0/12","swiftShip 0/21","victoriaShip 0/24","visiShip 0/4","yanShip 0/2"]
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"bonds": ["arcaneShip 0/35","indomShip 0/48","kazimierzShip 0/7","siracusaShip 0/12","swiftShip 0/17","victoriaShip 0/34","visiShip 0/4","yanShip 0/2"]
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},
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"ai_2": {
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"alive": false,
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@@ -867,12 +867,12 @@
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"eliminatedRound": 12,
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"lp": 0,
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"bandId": "band_lmlee",
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"title": {"id":"comment_6","name":"挥金如土","picId":"comment_icon_6","text":"消耗资金最多"},
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"title": {"id":"comment_4","name":"精英云集","picId":"comment_icon_4","text":"晋升精锐次数最多"},
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"trophies": 2,
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"reward": 255,
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"lineup": [],
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}
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}
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},
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