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新增加、减、乘的运算函数

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orgin
2022-08-08 15:28:21 +08:00
parent 89fd5d273b
commit 84f3429564
1 changed files with 41 additions and 0 deletions
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41
util/math/math.go
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@@ -1,5 +1,7 @@
package math package math
import "github.com/duanhf2012/origin/log"
type NumberType interface { type NumberType interface {
int | int8 | int16 | int32 | int64 | float32 | float64 | uint | uint8 | uint16 | uint32 | uint64 int | int8 | int16 | int32 | int64 | float32 | float64 | uint | uint8 | uint16 | uint32 | uint64
} }
@@ -35,3 +37,42 @@ func Abs[NumType SignedNumberType](Num NumType) NumType {
return Num return Num
} }
func Add[NumType NumberType](number1 NumType, number2 NumType) NumType {
ret := number1 + number2
if number2> 0 && ret < number1 {
log.SStack("Calculation overflow , number1 is ",number1," number2 is ",number2)
}else if (number2<0 && ret > number1){
log.SStack("Calculation overflow , number1 is ",number1," number2 is ",number2)
}
return ret
}
func Sub[NumType NumberType](number1 NumType, number2 NumType) NumType {
ret := number1 - number2
if number2> 0 && ret > number1 {
log.SStack("Calculation overflow , number1 is ",number1," number2 is ",number2)
}else if (number2<0 && ret < number1){
log.SStack("Calculation overflow , number1 is ",number1," number2 is ",number2)
}
return ret
}
func Mul[NumType NumberType](number1 NumType, number2 NumType) NumType {
ret := number1 * number2
if number1 == 0 || number2 == 0 {
return ret
}
if ret / number2 == number1 {
return ret
}
log.SStack("Calculation overflow , number1 is ",number1," number2 is ",number2)
return ret
}