Does this value survive conversion to another numeric or spreadsheet type? Range, precision, leading

Overview

Takes raw JSON literals (as written, so 9007199254740993, 1e400, -0, "007" and 0.10 are judged on their digits, not on a parsed double) and target types (binary64, binary32, int8..int64, uint8..uint64, PostgreSQL numeric(p,s), Arrow decimal128/decimal256, Parquet decimal, Excel cell, pandas int64) and reports for each pair whether the value is exact, lossy (rounded, truncated, leading zeros or sign of zero lost, 15-digit Excel limit, date or formula coercion) or overflows, wi

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