osmomath: AddMut and QuoMut

548207900.mdttt

@@ -0,0 +1,16 @@
+- mut add
+- test add mut
+- quo  mut
+- test quo mut/ remove want from test struct
+
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+
+Closes: #3773
+
+## What is the purpose of the change
+mutative add and quo + tests

osmomath/decimal.go

@@ -346,11 +346,11 @@ func (d BigDec) Quo(d2 BigDec) BigDec {
 // mutative quotient
 func (d BigDec) QuoMut(d2 BigDec) BigDec {
 	// multiply precision twice
-	mul := new(big.Int).Mul(d.i, precisionReuse)
-	mul.Mul(mul, precisionReuse)
+	d.i.Mul(d.i, precisionReuse)
+	d.i.Mul(d.i, precisionReuse)
 
-	d.i.Quo(mul, d2.i)
-	d.i = chopPrecisionAndRound(d.i)
+	d.i.Quo(d.i, d2.i)
+	chopPrecisionAndRound(d.i)
 
 	if d.i.BitLen() > maxDecBitLen {
 		panic("Int overflow")

osmomath/decimal_test.go

@@ -79,7 +79,6 @@ func TestQuoMut(t *testing.T) {
 	for _, tc := range tests {
 		if !tc.expectingErr {
 			want := tc.testing.Quo(tc.quo)
-			fmt.Println(tc.testing, tc.quo)
 			tc.testing.QuoMut(tc.quo)
 
 			require.Equal(t, want, tc.testing)