OpenPay (1 crate, 2487 LOC, 33 tests)
op-fraud-graph Graph-based fraud detection. EntityKind (card/email/
device/IP/address/phone/BIN+last4/account) with
canonicalization + hashed EntityKey + billing↔shipping
mismatch detection. Adjacency-list FraudGraph with
idempotent upsert + edge-merge. Double-hashing Bloom
filter (capacity+FPR-sized). Union-find connected
components. PageRank with dangling-sink handling.
Louvain community detection. Shared-instrument hub
rings. Sliding ring-buffer velocity counters. Synthetic
identity heuristics (freshness + heavy-use + mail-drop).
Structuring / smurfing / mule-chain DFS. EntityRisk +
TransactionRisk + RiskBand combiner.
Smart Byte (1 crate, ~1844 LOC, 44 tests)
smart-byte-ilp Interledger Protocol v4. OER codec (length-determinant,
var-octet-string, BE u32/u64). Prepare/Fulfill/Reject
packet roundtrip with all 19 IL-RFC-27 reject codes.
SHA-256 Condition + Fulfillment with constant-time
verify. ILP address validator (7 schemes, 1-128 char
segments, 1023-byte cap, segment-aligned prefix match).
STREAM (15 frame types). BTP. SPSP payment-pointer
resolver. Open Payments API. Longest-prefix routing
Connector with fixed-point quote conversion + balance +
rate-limit checks.
EOC (1 crate, 1921 LOC, 36 tests)
eoc-quantize Quantization primitives. int8 (symmetric/asymmetric
with zero-inclusion fix), int4 (GPTQ + AWQ group quant),
int2 (BitNet), fp8 (E4M3/E5M2), nf4 (QLoRA). GGUF v3
header parse. safetensors read sketch. Calibration
datasets + per-channel scales. KV-cache quant. Energy
tradeoff curves (joules-per-token across schemes).
Co-Authored-By: Claude Opus 4.7 <[email protected]>
40 lines
1.2 KiB
Rust
40 lines
1.2 KiB
Rust
//! Int8 round-trip tolerance test.
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use eoc_quantize::int8::{Int8Asymmetric, Int8Symmetric};
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use eoc_quantize::scheme::QuantizationScheme;
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#[test]
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fn symmetric_roundtrip_within_scale() {
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let x: Vec<f32> = (0..256).map(|i| (i as f32 - 128.0) * 0.05).collect();
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let q = Int8Symmetric::new();
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let enc = q.quantize(&x);
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let xr = q.dequantize(&enc);
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assert_eq!(xr.len(), x.len());
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let mut max_err = 0.0_f32;
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for (a, b) in x.iter().zip(xr.iter()) {
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max_err = max_err.max((a - b).abs());
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}
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// Symmetric int8 rounding error must be at most ~half a scale unit.
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assert!(
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max_err <= enc.scale + 1e-5,
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"max err {max_err} exceeds scale {}",
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enc.scale
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);
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}
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#[test]
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fn asymmetric_roundtrip_within_scale() {
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let x: Vec<f32> = (0..256).map(|i| 3.0 + i as f32 * 0.01).collect();
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let q = Int8Asymmetric::new();
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let enc = q.quantize(&x);
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let xr = q.dequantize(&enc);
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let mut max_err = 0.0_f32;
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for (a, b) in x.iter().zip(xr.iter()) {
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max_err = max_err.max((a - b).abs());
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}
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assert!(
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max_err <= enc.scale + 1e-5,
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"asym max err {max_err} exceeds scale {}",
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enc.scale
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);
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}
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