46 lines
1.0 KiB
Go
46 lines
1.0 KiB
Go
package fp
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import (
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basefield "github.com/consensys/gnark-crypto/ecc/bls12-381/fr"
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)
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// Element is a field element representing the basefield of the curve.
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type Element = basefield.Element
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// Limbs is the number of 64-bit words needed to represent the field element.
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const Limbs = basefield.Limbs
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// One returns the field element 1.
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func One() Element {
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return basefield.One()
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}
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// Zero returns the field element 0.
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func Zero() Element {
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return basefield.Element{}
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}
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// MinusOne returns the field element -1.
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func MinusOne() Element {
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m_one := One()
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m_one.Neg(&m_one)
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return m_one
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}
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// MulBy5 multiplies a field element by 5.
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func MulBy5(a *Element) {
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basefield.MulBy5(a)
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}
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// BatchInvert computes the inverse of a slice of field elements.
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func BatchInvert(a []Element) []Element {
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return basefield.BatchInvert(a)
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}
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// BytesLE returns the little-endian byte representation of a field element.
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func BytesLE(a Element) []byte {
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var result [basefield.Bytes]byte
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basefield.LittleEndian.PutElement(&result, a)
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return result[:]
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}
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