github.com/consensys/gnark-crypto@v0.14.0/ecc/bn254/internal/fptower/generators_test.go (about)

     1  package fptower
     2  
     3  import (
     4  	"github.com/consensys/gnark-crypto/ecc/bn254/fp"
     5  	"github.com/leanovate/gopter"
     6  )
     7  
     8  // GenFp generates an Fp element
     9  func GenFp() gopter.Gen {
    10  	return func(genParams *gopter.GenParameters) *gopter.GenResult {
    11  		var elmt fp.Element
    12  
    13  		if _, err := elmt.SetRandom(); err != nil {
    14  			panic(err)
    15  		}
    16  		genResult := gopter.NewGenResult(elmt, gopter.NoShrinker)
    17  		return genResult
    18  	}
    19  }
    20  
    21  // GenE2 generates an E2 elmt
    22  func GenE2() gopter.Gen {
    23  	return gopter.CombineGens(
    24  		GenFp(),
    25  		GenFp(),
    26  	).Map(func(values []interface{}) *E2 {
    27  		return &E2{A0: values[0].(fp.Element), A1: values[1].(fp.Element)}
    28  	})
    29  }
    30  
    31  // GenE6 generates an E6 elmt
    32  func GenE6() gopter.Gen {
    33  	return gopter.CombineGens(
    34  		GenE2(),
    35  		GenE2(),
    36  		GenE2(),
    37  	).Map(func(values []interface{}) *E6 {
    38  		return &E6{B0: *values[0].(*E2), B1: *values[1].(*E2), B2: *values[2].(*E2)}
    39  	})
    40  }
    41  
    42  // GenE12 generates an E6 elmt
    43  func GenE12() gopter.Gen {
    44  	return gopter.CombineGens(
    45  		GenE6(),
    46  		GenE6(),
    47  	).Map(func(values []interface{}) *E12 {
    48  		return &E12{C0: *values[0].(*E6), C1: *values[1].(*E6)}
    49  	})
    50  }