---
title: Decimal
---

## Types

Type declarations included in the Decimal module.

### Decimal.**Decimal**

```grain
record Decimal {
  numDigits: Int32,
  decimalPoint: Int32,
  truncated: Bool,
  digits: Bytes,
}
```

Fields:

| name           | type    | description                                                             |
| -------------- | ------- | ----------------------------------------------------------------------- |
| `numDigits`    | `Int32` | The number of significant digits in the decimal.                        |
| `decimalPoint` | `Int32` | The offset of the decimal point in the significant digits.              |
| `truncated`    | `Bool`  | If the number of significant digits stored in the decimal is truncated. |
| `digits`       | `Bytes` | Buffer of the raw digits, in the range [0, 9].                          |

## Values

Functions and constants included in the Decimal module.

### Decimal.**_DECIMAL_POINT_RANGE**

```grain
_DECIMAL_POINT_RANGE: WasmI32
```

### Decimal.**tryAddDigit**

```grain
tryAddDigit: (d: Decimal, digit: WasmI32) => Void
```

### Decimal.**round**

```grain
round: (d: Decimal) => WasmI64
```

### Decimal.**get_TABLE**

```grain
get_TABLE: () => WasmI32
```

### Decimal.**get_TABLE_POW5**

```grain
get_TABLE_POW5: () => WasmI32
```

### Decimal.**leftShift**

```grain
leftShift: (d: Decimal, shift: WasmI32) => Void
```

### Decimal.**rightShift**

```grain
rightShift: (d: Decimal, shift: WasmI32) => Void
```

### Decimal.**parseDecimal**

```grain
parseDecimal: (s: String) => Decimal
```