"github.com/gpahal/calc/operators"
"github.com/shopspring/decimal"
)
var (
one = decimal.New(1, 0)
sin = &operators.Operator{
Name: "sin",
Precedence: 0,
Associativity: operators.L,
Args: 1,
Operation: func(args []decimal.Decimal) decimal.Decimal {
return operators.ConvertToDecimalUnary(math.Sin, args[0])
},
}
cos = &operators.Operator{
Name: "cos",
Precedence: 0,
Associativity: operators.L,
Args: 1,
Operation: func(args []decimal.Decimal) decimal.Decimal {
return operators.ConvertToDecimalUnary(math.Cos, args[0])
},
}
tan = &operators.Operator{
Name: "tan",
Precedence: 0,
Associativity: operators.L,
package functions
import (
"math"
"github.com/gpahal/calc/operators"
"github.com/shopspring/decimal"
)
var (
sqrt = &operators.Operator{
Name: "sqrt",
Precedence: 0,
Associativity: operators.L,
Args: 1,
Operation: func(args []decimal.Decimal) decimal.Decimal {
return operators.ConvertToDecimalUnary(math.Sqrt, args[0])
},
}
)
func init() {
Register(sqrt)
}
import (
"math"
"github.com/gpahal/calc/operators"
"github.com/shopspring/decimal"
)
var (
log = &operators.Operator{
Name: "log",
Precedence: 0,
Associativity: operators.L,
Args: 1,
Operation: func(args []decimal.Decimal) decimal.Decimal {
return operators.ConvertToDecimalUnary(math.Log10, args[0])
},
}
ln = &operators.Operator{
Name: "ln",
Precedence: 0,
Associativity: operators.L,
Args: 1,
Operation: func(args []decimal.Decimal) decimal.Decimal {
return operators.ConvertToDecimalUnary(math.Log, args[0])
},
}
lg = &operators.Operator{
Name: "lg",
Precedence: 0,
Associativity: operators.L,