refactor: move utils from std/ to internal

constraint/gkr.go

@@ -2,10 +2,11 @@ package constraint
 
 import (
 	"fmt"
+	"sort"
+
 	"github.com/consensys/gnark-crypto/utils"
 	"github.com/consensys/gnark/constraint/solver"
-	"github.com/consensys/gnark/std/utils/algo_utils"
-	"sort"
+	"github.com/consensys/gnark/internal/algo_utils"
 )
 
 type GkrVariable int // Just an alias to hide implementation details. May be more trouble than worth

internal/generator/backend/template/representations/gkr.go.tmpl

@@ -7,7 +7,7 @@ import (
 	"github.com/consensys/gnark-crypto/utils"
 	"github.com/consensys/gnark/constraint"
 	hint "github.com/consensys/gnark/constraint/solver"
-	"github.com/consensys/gnark/std/utils/algo_utils"
+	"github.com/consensys/gnark/internal/algo_utils"
 	"hash"
 	"math/big"
 	"sync"

std/compress/internal/io_test.go

@@ -3,19 +3,20 @@ package internal_test
 import (
 	"bytes"
 	"crypto/rand"
+	"testing"
+
 	"github.com/consensys/gnark-crypto/ecc"
 	"github.com/consensys/gnark/backend"
 	"github.com/consensys/gnark/frontend"
 	"github.com/consensys/gnark/frontend/cs/scs"
 	"github.com/consensys/gnark/std/compress"
 	"github.com/consensys/gnark/std/compress/internal"
 	"github.com/consensys/gnark/std/compress/lzss"
+	test_vector_utils "github.com/consensys/gnark/std/internal/test_vectors_utils"
 	"github.com/consensys/gnark/std/math/bits"
-	test_vector_utils "github.com/consensys/gnark/std/utils/test_vectors_utils"
 	"github.com/consensys/gnark/test"
 	"github.com/icza/bitio"
 	"github.com/stretchr/testify/assert"
-	"testing"
 )
 
 func TestRecombineBytes(t *testing.T) {

std/compress/internal/plonk/plonk_test.go

@@ -4,14 +4,15 @@ import (
 	"crypto/rand"
 	"encoding/binary"
 	"errors"
+	"reflect"
+	"testing"
+
 	"github.com/consensys/gnark-crypto/ecc"
 	"github.com/consensys/gnark-crypto/ecc/bls12-377/fr"
 	"github.com/consensys/gnark/backend"
 	"github.com/consensys/gnark/frontend"
-	test_vector_utils "github.com/consensys/gnark/std/utils/test_vectors_utils"
+	test_vector_utils "github.com/consensys/gnark/std/internal/test_vectors_utils"
 	"github.com/consensys/gnark/test"
-	"reflect"
-	"testing"
 )
 
 func TestCustomConstraint(t *testing.T) {

std/compress/io_test.go

@@ -4,18 +4,19 @@ import (
 	"crypto/rand"
 	"errors"
 	"fmt"
+	"math/big"
+	"testing"
+
 	"github.com/consensys/gnark-crypto/ecc"
 	"github.com/consensys/gnark-crypto/ecc/bls12-377/fr"
 	"github.com/consensys/gnark-crypto/hash"
 	"github.com/consensys/gnark/backend"
 	"github.com/consensys/gnark/frontend"
 	"github.com/consensys/gnark/frontend/cs/scs"
 	"github.com/consensys/gnark/profile"
-	test_vector_utils "github.com/consensys/gnark/std/utils/test_vectors_utils"
+	test_vector_utils "github.com/consensys/gnark/std/internal/test_vectors_utils"
 	"github.com/consensys/gnark/test"
 	"github.com/stretchr/testify/assert"
-	"math/big"
-	"testing"
 )
 
 func TestShiftLeft(t *testing.T) {

std/compress/lzss/snark_test.go

@@ -4,15 +4,16 @@ import (
 	"crypto/sha256"
 	"encoding/hex"
 	"fmt"
-	"github.com/consensys/gnark/frontend/cs/scs"
 	"os"
 	"testing"
 
+	"github.com/consensys/gnark/frontend/cs/scs"
+
 	"github.com/consensys/compress/lzss"
 	"github.com/consensys/gnark-crypto/ecc"
 	"github.com/consensys/gnark/backend"
 	"github.com/consensys/gnark/frontend"
-	test_vector_utils "github.com/consensys/gnark/std/utils/test_vectors_utils"
+	test_vector_utils "github.com/consensys/gnark/std/internal/test_vectors_utils"
 	"github.com/consensys/gnark/test"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"

std/compress/lzss/snark_testing.go

@@ -4,7 +4,7 @@ import (
 	"github.com/consensys/compress/lzss"
 	"github.com/consensys/gnark/frontend"
 	"github.com/consensys/gnark/std/compress"
-	test_vector_utils "github.com/consensys/gnark/std/utils/test_vectors_utils"
+	test_vector_utils "github.com/consensys/gnark/std/internal/test_vectors_utils"
 )
 
 type DecompressionTestCircuit struct {

std/gkr/api.go

@@ -2,7 +2,7 @@ package gkr
 
 import (
 	"github.com/consensys/gnark/constraint"
-	"github.com/consensys/gnark/std/utils/algo_utils"
+	"github.com/consensys/gnark/internal/algo_utils"
 )
 
 func frontendVarToInt(a constraint.GkrVariable) int {

std/gkr/api_test.go

@@ -2,18 +2,19 @@ package gkr
 
 import (
 	"fmt"
+	"hash"
+	"math/rand"
+	"strconv"
+	"testing"
+	"time"
+
 	bls12377 "github.com/consensys/gnark/constraint/bls12-377"
 	bls12381 "github.com/consensys/gnark/constraint/bls12-381"
 	bls24315 "github.com/consensys/gnark/constraint/bls24-315"
 	bls24317 "github.com/consensys/gnark/constraint/bls24-317"
 	bw6633 "github.com/consensys/gnark/constraint/bw6-633"
 	bw6761 "github.com/consensys/gnark/constraint/bw6-761"
 	"github.com/consensys/gnark/test"
-	"hash"
-	"math/rand"
-	"strconv"
-	"testing"
-	"time"
 
 	"github.com/consensys/gnark-crypto/kzg"
 	"github.com/consensys/gnark/backend/plonk"
@@ -32,7 +33,7 @@ import (
 	"github.com/consensys/gnark/frontend/cs/scs"
 	stdHash "github.com/consensys/gnark/std/hash"
 	"github.com/consensys/gnark/std/hash/mimc"
-	test_vector_utils "github.com/consensys/gnark/std/utils/test_vectors_utils"
+	test_vector_utils "github.com/consensys/gnark/std/internal/test_vectors_utils"
 	"github.com/consensys/gnark/test/unsafekzg"
 )
 

std/gkr/compile.go

@@ -7,9 +7,9 @@ import (
 	"github.com/consensys/gnark/constraint"
 	"github.com/consensys/gnark/constraint/solver"
 	"github.com/consensys/gnark/frontend"
+	"github.com/consensys/gnark/internal/algo_utils"
 	fiatshamir "github.com/consensys/gnark/std/fiat-shamir"
 	"github.com/consensys/gnark/std/hash"
-	"github.com/consensys/gnark/std/utils/algo_utils"
 )
 
 type circuitDataForSnark struct {