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29 lines
636 B
Go
29 lines
636 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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)
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// Log2 returns the binary logarithm of a given value.
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// @param number (Int|Float) - Input number.
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// @returns (Float) - The binary logarithm of a given value.
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func Log2(_ 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], core.IntType, core.FloatType)
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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.Log2(toFloat(args[0]))), nil
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}
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