Bumping up to go 1.19 version.

Author: armfazh

.github/workflows/ci-actions.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-20.04
     strategy:
       matrix:
-        GOVER: ['1.18', '1.17', '1.16']
+        GOVER: ['1.19', '1.18', '1.17']
     steps:
       - name: Setup Go-${{ matrix.GOVER }}
         uses: actions/setup-go@v3
@@ -23,7 +23,7 @@ jobs:
       - name: Linting
         uses: golangci/golangci-lint-action@v3
         with:
-          version: v1.46
+          version: v1.48
           args: --config=./.etc/golangci.yml ./...
       - name: Check shadowing
         run: |
@@ -46,7 +46,7 @@ jobs:
     runs-on: ubuntu-20.04
     strategy:
       matrix:
-        CFG: [ [arm64,arm64v8,1.18] ]
+        CFG: [ [arm64,arm64v8,1.19] ]
     steps:
       - uses: actions/checkout@v3
       - name: Enabling Docker Experimental
@@ -72,7 +72,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v3
         with:
-          go-version: '1.18'
+          go-version: '1.19'
       - name: Produce Coverage
         run: go test -coverprofile=./coverage.txt ./...
       - name: Upload Codecov
@@ -92,7 +92,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v3
         with:
-          go-version: '1.18'
+          go-version: '1.19'
       - name: Building
         run: go build -v ./...
       - name: Testing

go.mod

@@ -1,9 +1,9 @@
 module github.com/cloudflare/circl
 
-go 1.16
+go 1.17
 
 require (
 	github.com/bwesterb/go-ristretto v1.2.2
 	golang.org/x/crypto v0.0.0-20220722155217-630584e8d5aa
-	golang.org/x/sys v0.0.0-20220808155132-1c4a2a72c664
+	golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab
 )

go.sum

@@ -6,8 +6,8 @@ golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qx
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220808155132-1c4a2a72c664 h1:v1W7bwXHsnLLloWYTVEdvGvA7BHMeBYsPcF0GLDxIRs=
-golang.org/x/sys v0.0.0-20220808155132-1c4a2a72c664/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab h1:2QkjZIsXupsJbJIdSjjUOgWK3aEtzyuh2mPt3l/CkeU=
+golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=

math/polynomial/polynomial.go

@@ -15,7 +15,9 @@ type Polynomial struct {
 
 // New creates a new polynomial given its coefficients in ascending order.
 // Thus,
-//     p(x) = \sum_i^k c[i] x^i,
+//
+//	p(x) = \sum_i^k c[i] x^i,
+//
 // where k = len(c)-1 is the degree of the polynomial.
 //
 // The zero polynomial has degree equal to -1 and can be instantiated passing
@@ -64,10 +66,12 @@ type LagrangePolynomial struct {
 
 // NewLagrangePolynomial creates a polynomial in Lagrange basis given a list
 // of nodes (x) and values (y), such that:
-//     p(x) = \sum_i^k y[i] L_j(x), where k is the degree of the polynomial,
-//     L_j(x) = \prod_i^k (x-x[i])/(x[j]-x[i]),
-//     y[i] = p(x[i]), and
-//     all x[i] are different.
+//
+//	p(x) = \sum_i^k y[i] L_j(x), where k is the degree of the polynomial,
+//	L_j(x) = \prod_i^k (x-x[i])/(x[j]-x[i]),
+//	y[i] = p(x[i]), and
+//	all x[i] are different.
+//
 // It panics if one of these conditions does not hold.
 //
 // The zero polynomial has degree equal to -1 and can be instantiated passing