Function isPositive

isPositive(decimal: Decimal): boolean
Check if a Decimal value is greater than zero.
Parameters
- decimal: Decimal
  The Decimal instance to check
Returns boolean
true if the value is greater than zero
Example
```
isPositive(toDecimal("0.001")); // true
isPositive(toDecimal("0"));     // false
isPositive(toDecimal("-1"));    // false
```
- Defined in packages/trading/src/utils/decimal.ts:102