Create helpers.go

helpers.go defines several helper functions for the create of new decimal's from int's that make code using decimal a bit easier to read. Further more it implements a.Max() and a.Min() functions in the same fashion as other arithmetic functions like Add & Sub. (the decimal package already implements Max(d, d2....) and Min(), but these two helper functions are complementary to them.
Finally a.Float() is a convenience function for a.Float64() that ignore the precise bool, allowing inline use of the float conversion function

helpers.go

@@ -0,0 +1,38 @@
+package decimal
+
+// Float returns the decimal value as a float64
+// float is a helper function for float64() and doesnot return bool exact
+func (d Decimal) Float() float64 {
+	f, _ := d.Float64()
+	return f
+}
+
+// NotEqual returns true when d is not equal to d2
+func (d Decimal) NotEqual(d2 Decimal) bool {
+	return !d.Equal(d2)
+}
+
+// Max returns the maximum value between d and d2
+func (d Decimal) Max(d2 Decimal) Decimal {
+	return Max(d, d2)
+}
+
+// Min returns the minimum value between d and d2
+func (d Decimal) Min(d2 Decimal) Decimal {
+	return Min(d, d2)
+}
+
+//NewFromInt returns a decimal with the value of int v
+func NewFromInt(v int) Decimal {
+	return New(int64(v), 0)
+}
+
+//NewFromInt32 returns a decimal with the value of int v
+func NewFromInt32(v int) Decimal {
+	return New(int64(v), 0)
+}
+
+//NewFromInt64 returns a decimal with the value of int v
+func NewFromInt64(v int64) Decimal {
+	return New(v, 0)
+}