diff --git a/pkg/codegen/utils.go b/pkg/codegen/utils.go
index d6482fa..029344e 100644
--- a/pkg/codegen/utils.go
+++ b/pkg/codegen/utils.go
@@ -196,47 +196,54 @@ func getMinIntType(
 const i64 = "int64"
 
 func adjustForSignedBounds(nMin, nMax *float64) (string, bool, bool) {
-	switch {
-	case nMin == nil && nMax == nil:
+	if nMin == nil && nMax == nil {
 		return i64, false, false
+	}
+
+	minRounded := math.Round(*nMin)
+	maxRounded := math.Round(*nMax)
 
+	switch {
 	case nMin == nil:
-		return i64, false, int64(math.Round(*nMax)) == math.MaxInt64
+		return i64, false, maxRounded == float64(math.MaxInt64)
 
 	case nMax == nil:
-		return i64, int64(math.Round(*nMin)) == math.MinInt64, false
+		return i64, minRounded == float64(math.MinInt64), false
 
-	case *nMin < math.MinInt32 || *nMax > math.MaxInt32:
-		return i64, int64(math.Round(*nMin)) == math.MinInt64, int64(math.Round(*nMax)) == math.MaxInt64
+	case minRounded < float64(math.MinInt32) || maxRounded > float64(math.MaxInt32):
+		return i64, minRounded == float64(math.MinInt64), maxRounded == float64(math.MaxInt64)
 
-	case *nMin < math.MinInt16 || *nMax > math.MaxInt16:
-		return "int32", int32(math.Round(*nMin)) == math.MinInt32, int32(math.Round(*nMax)) == math.MaxInt32
+	case minRounded < float64(math.MinInt16) || maxRounded > float64(math.MaxInt16):
+		return "int32", minRounded == float64(math.MinInt32), maxRounded == float64(math.MaxInt32)
 
-	case *nMin < math.MinInt8 || *nMax > math.MaxInt8:
-		return "int16", int16(math.Round(*nMin)) == math.MinInt16, int16(math.Round(*nMax)) == math.MaxInt16
+	case minRounded < float64(math.MinInt8) || maxRounded > float64(math.MaxInt8):
+		return "int16", minRounded == float64(math.MinInt16), maxRounded == float64(math.MaxInt16)
 
 	default:
-		return "int8", int8(math.Round(*nMin)) == math.MinInt8, int8(math.Round(*nMax)) == math.MaxInt8
+		return "int8", minRounded == float64(math.MinInt8), maxRounded == float64(math.MaxInt8)
 	}
 }
 
 func adjustForUnsignedBounds(nMin, nMax *float64) (string, bool, bool) {
 	removeMin := nMin != nil && *nMin == 0.0
 
-	switch {
-	case nMax == nil:
+	if nMax == nil {
 		return "uint64", removeMin, false
+	}
 
-	case *nMax > math.MaxUint32:
-		return "uint64", removeMin, uint64(math.Round(*nMax)) == math.MaxUint64
+	maxRounded := math.Round(*nMax)
+
+	switch {
+	case maxRounded > float64(math.MaxUint32):
+		return "uint64", removeMin, maxRounded == float64(math.MaxUint64)
 
-	case *nMax > math.MaxUint16:
-		return "uint32", removeMin, uint32(math.Round(*nMax)) == math.MaxUint32
+	case maxRounded > float64(math.MaxUint16):
+		return "uint32", removeMin, maxRounded == float64(math.MaxUint32)
 
-	case *nMax > math.MaxUint8:
-		return "uint16", removeMin, uint16(math.Round(*nMax)) == math.MaxUint16
+	case maxRounded > float64(math.MaxUint8):
+		return "uint16", removeMin, maxRounded == float64(math.MaxUint16)
 
 	default:
-		return "uint8", removeMin, uint8(math.Round(*nMax)) == math.MaxUint8
+		return "uint8", removeMin, maxRounded == float64(math.MaxUint8)
 	}
 }