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30 lines
713 B
Go
30 lines
713 B
Go
package math
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import (
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"context"
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"math"
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"github.com/MontFerret/ferret/pkg/runtime/core"
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"github.com/MontFerret/ferret/pkg/runtime/values"
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"github.com/MontFerret/ferret/pkg/runtime/values/types"
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)
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// Exp returns Euler's constant (2.71828...) raised to the power of value.
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// @param number (Int|Float) - Input number.
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// @returns (Float) - Euler's constant raised to the power of value.
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func Exp(_ context.Context, args ...core.Value) (core.Value, error) {
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err := core.ValidateArgs(args, 1, 1)
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if err != nil {
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return values.None, err
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}
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err = core.ValidateType(args[0], types.Int, types.Float)
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if err != nil {
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return values.None, err
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}
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return values.NewFloat(math.Exp(toFloat(args[0]))), nil
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}
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