Function makeConstWithPrecision

const.go:63–87

(strVal string)

}

func makeConstWithPrecision(strVal string) *constWithPrecision {
	c := &constWithPrecision{}
	if _, _, err := c.unrounded.SetString(strVal); err != nil {
		panic(err)
	}
	// The length of the string might be one higher than the available precision
	// (because of the decimal point), but that's ok.
	maxPrec := uint32(len(strVal))
	for p := uint32(1); p < maxPrec; p *= 2 {
		var d Decimal

		ctx := Context{
			Precision:   p,
			Rounding:    RoundHalfUp,
			MaxExponent: MaxExponent,
			MinExponent: MinExponent,
		}
		_, err := ctx.Round(&d, &c.unrounded)
		if err != nil {
			panic(err)
		}
		c.vals = append(c.vals, d)
	}
	return c
}

// get returns the given constant, rounded down to a precision at least as high
// as the given precision.