mirror of
https://github.com/MontFerret/ferret.git
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57 lines
1.2 KiB
Go
57 lines
1.2 KiB
Go
package math
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import (
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"context"
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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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// Range returns an array of numbers in the specified range, optionally with increments other than 1.
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// @param start (Int|Float) - The value to start the range at (inclusive).
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// @param end (Int|Float) - The value to end the range with (inclusive).
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// @param step (Int|Float, optional) - How much to increment in every step, the default is 1.0.
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func Range(_ context.Context, args ...core.Value) (core.Value, error) {
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err := core.ValidateArgs(args, 2, 3)
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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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err = core.ValidateType(args[1], 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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var step float64 = 1
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if len(args) > 2 {
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err = core.ValidateType(args[2], 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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step = toFloat(args[2])
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}
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start := toFloat(args[0])
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end := toFloat(args[1])
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arr := values.NewArray(int(end))
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for i := start; i <= end; i += step {
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arr.Push(values.NewFloat(i))
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}
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return arr, nil
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}
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