constant for maxDecBitLen

cosmos · Jun 16, 2021 · 161c111 · 161c111
1 parent c3492be
commit 161c111
Showing 1 changed file with 11 additions and 9 deletions.
diff --git a/types/decimal.go b/types/decimal.go
@@ -26,6 +26,8 @@ const (
 	// Ceiling[Log2[999 999 999 999 999 999]]
 	DecimalPrecisionBits = 60
 
+	maxDecBitLen = maxBitLen + DecimalPrecisionBits
+
 	// max number of iterations in ApproxRoot function
 	maxApproxRootIterations = 100
 )
@@ -222,7 +224,7 @@ func (d Dec) BigInt() *big.Int {
 func (d Dec) Add(d2 Dec) Dec {
 	res := new(big.Int).Add(d.i, d2.i)
 
-	if res.BitLen() > (maxBitLen + DecimalPrecisionBits) {
+	if res.BitLen() > maxDecBitLen {
 		panic("Int overflow")
 	}
 	return Dec{res}
@@ -232,7 +234,7 @@ func (d Dec) Add(d2 Dec) Dec {
 func (d Dec) Sub(d2 Dec) Dec {
 	res := new(big.Int).Sub(d.i, d2.i)
 
-	if res.BitLen() > (maxBitLen + DecimalPrecisionBits) {
+	if res.BitLen() > maxDecBitLen {
 		panic("Int overflow")
 	}
 	return Dec{res}
@@ -243,7 +245,7 @@ func (d Dec) Mul(d2 Dec) Dec {
 	mul := new(big.Int).Mul(d.i, d2.i)
 	chopped := chopPrecisionAndRound(mul)
 
-	if chopped.BitLen() > (maxBitLen + DecimalPrecisionBits) {
+	if chopped.BitLen() > maxDecBitLen {
 		panic("Int overflow")
 	}
 	return Dec{chopped}
@@ -254,7 +256,7 @@ func (d Dec) MulTruncate(d2 Dec) Dec {
 	mul := new(big.Int).Mul(d.i, d2.i)
 	chopped := chopPrecisionAndTruncate(mul)
 
-	if chopped.BitLen() > (maxBitLen + DecimalPrecisionBits) {
+	if chopped.BitLen() > maxDecBitLen {
 		panic("Int overflow")
 	}
 	return Dec{chopped}
@@ -264,7 +266,7 @@ func (d Dec) MulTruncate(d2 Dec) Dec {
 func (d Dec) MulInt(i Int) Dec {
 	mul := new(big.Int).Mul(d.i, i.i)
 
-	if mul.BitLen() > (maxBitLen + DecimalPrecisionBits) {
+	if mul.BitLen() > maxDecBitLen {
 		panic("Int overflow")
 	}
 	return Dec{mul}
@@ -274,7 +276,7 @@ func (d Dec) MulInt(i Int) Dec {
 func (d Dec) MulInt64(i int64) Dec {
 	mul := new(big.Int).Mul(d.i, big.NewInt(i))
 
-	if mul.BitLen() > (maxBitLen + DecimalPrecisionBits) {
+	if mul.BitLen() > maxDecBitLen {
 		panic("Int overflow")
 	}
 	return Dec{mul}
@@ -289,7 +291,7 @@ func (d Dec) Quo(d2 Dec) Dec {
 	quo := new(big.Int).Quo(mul, d2.i)
 	chopped := chopPrecisionAndRound(quo)
 
-	if chopped.BitLen() > (maxBitLen + DecimalPrecisionBits) {
+	if chopped.BitLen() > maxDecBitLen {
 		panic("Int overflow")
 	}
 	return Dec{chopped}
@@ -304,7 +306,7 @@ func (d Dec) QuoTruncate(d2 Dec) Dec {
 	quo := mul.Quo(mul, d2.i)
 	chopped := chopPrecisionAndTruncate(quo)
 
-	if chopped.BitLen() > (maxBitLen + DecimalPrecisionBits) {
+	if chopped.BitLen() > maxDecBitLen {
 		panic("Int overflow")
 	}
 	return Dec{chopped}
@@ -319,7 +321,7 @@ func (d Dec) QuoRoundUp(d2 Dec) Dec {
 	quo := new(big.Int).Quo(mul, d2.i)
 	chopped := chopPrecisionAndRoundUp(quo)
 
-	if chopped.BitLen() > (maxBitLen + DecimalPrecisionBits) {
+	if chopped.BitLen() > maxDecBitLen {
 		panic("Int overflow")
 	}
 	return Dec{chopped}