💚 ci: math - fix run ci tests error on go1.19

mathutil/mathutil.go

@@ -2,8 +2,9 @@
 package mathutil
 
 import (
-	"github.com/gookit/goutil/comdef"
 	"math"
+
+	"github.com/gookit/goutil/comdef"
 )
 
 // OrElse return default value on val is zero, else return val
@@ -73,13 +74,18 @@ func GteOr[T comdef.XintOrFloat](val, min, defVal T) T {
 	return defVal
 }
 
-// Mul computes a*b value, rounding the result.
-func Mul[T comdef.XintOrFloat](a, b T) float64 {
+// Mul computes the a*b value, rounding the result.
+func Mul[T1, T2 comdef.XintOrFloat](a T1, b T2) float64 {
 	return math.Round(SafeFloat(a) * SafeFloat(b))
 }
 
+// MulF2i computes the float64 type a * b value, rounding the result to an integer.
+func MulF2i(a, b float64) int {
+	return int(math.Round(a * b))
+}
+
 // Div computes the a/b value, result use round handle.
-func Div[T comdef.XintOrFloat](a, b T) float64 {
+func Div[T1, T2 comdef.XintOrFloat](a T1, b T2) float64 {
 	return math.Round(SafeFloat(a) / SafeFloat(b))
 }
 

mathutil/mathutil_test.go

@@ -42,4 +42,5 @@ func TestDiv(t *testing.T) {
 
 func TestMul(t *testing.T) {
 	assert.Eq(t, float64(5), mathutil.Mul(2, 2.35))
+	assert.Eq(t, 36, mathutil.MulF2i(27, 1.35))
 }