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Merged
forfudan merged 4 commits into from
Apr 1, 2025
Merged

[decimal] Implement sqrt for BigDecimal #73

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f4a634d
Implement sqrt
forfudan Mar 31, 2025
69b5a74
Finish sqrt
forfudan Mar 31, 2025
3ed954c
Add tests
forfudan Apr 1, 2025
8774f52
Update readme
forfudan Apr 1, 2025
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12 changes: 6 additions & 6 deletions README.md
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Expand Up @@ -16,12 +16,12 @@ The core types are:

This repository includes [TOMLMojo](https://github.com/forfudan/decimojo/tree/main/src/tomlmojo), a lightweight TOML parser in pure Mojo. It parses configuration files and test data, supporting basic types, arrays, and nested tables. While created for DeciMojo's testing framework, it offers general-purpose structured data parsing with a clean, simple API.

| type | information | internal representation |
| ------------ | ------------------------------------ | ------------------------ |
| `BigUInt` | arbitrary-precision unsigned integer | `List[UInt32]` |
| `BigInt` | arbitrary-precision integer | `BigUInt`, `Bool` |
| `Decimal` | 128-bit fixed-precision decimal | 4 `UInt32` words |
| `BigDecimal` | arbitrary-precision decimal | `BigUInt`, `Int`, `Bool` |
| type | alias | information | internal representation |
| ------------ | ------- | ------------------------------------ | ----------------------------------- |
| `BigUInt` | `BUInt` | arbitrary-precision unsigned integer | `List[UInt32]` |
| `BigInt` | `BInt` | arbitrary-precision integer | `BigUInt`, `Bool` |
| `Decimal` | `Dec` | 128-bit fixed-precision decimal | `UInt32`,`UInt32`,`UInt32`,`UInt32` |
| `BigDecimal` | `BDec` | arbitrary-precision decimal | `BigUInt`, `Int`, `Bool` |

## Installation

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5 changes: 5 additions & 0 deletions benches/bigdecimal/bench.mojo
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Expand Up @@ -2,6 +2,7 @@ from bench_bigdecimal_add import main as bench_add
from bench_bigdecimal_subtract import main as bench_sub
from bench_bigdecimal_multiply import main as bench_multiply
from bench_bigdecimal_divide import main as bench_divide
from bench_bigdecimal_sqrt import main as bench_sqrt
from bench_bigdecimal_scale_up_by_power_of_10 import main as bench_scale_up


Expand All @@ -15,6 +16,7 @@ add: Add
sub: Subtract
mul: Multiply
div: Divide (true divide)
sqrt: Square root
all: Run all benchmarks
q: Exit
=========================================
Expand All @@ -31,11 +33,14 @@ scaleup: Scale up by power of 10
bench_multiply()
elif command == "div":
bench_divide()
elif command == "sqrt":
bench_sqrt()
elif command == "all":
bench_add()
bench_sub()
bench_multiply()
bench_divide()
bench_sqrt()
elif command == "q":
return
elif command == "scaleup":
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