49 using crypto::p224::FieldElement;
52 const FieldElement kP = {
57 void Contract(FieldElement* inout);
60 uint32_t IsZero(const FieldElement& a) {  in IsZero()
61   FieldElement minimal;  in IsZero()
94 void Add(FieldElement* out, const FieldElement& a, const FieldElement& b) {  in Add()
106 static const FieldElement kZero31ModP = {
115 void Subtract(FieldElement* out, const FieldElement& a, const FieldElement& b) {  in Subtract()
151 void ReduceLarge(FieldElement* out, LargeFieldElement* inptr) {  in ReduceLarge()
202 void Mul(FieldElement* out, const FieldElement& a, const FieldElement& b) {  in Mul()
219 void Square(FieldElement* out, const FieldElement& a) {  in Square()
241 void Reduce(FieldElement* in_out) {  in Reduce()
242   FieldElement& a = *in_out;  in Reduce()
274 void Invert(FieldElement* out, const FieldElement& in) {  in Invert()
275   FieldElement f1, f2, f3, f4;  in Invert()
326 void Contract(FieldElement* inout) {  in Contract()
327   FieldElement& out = *inout;  in Contract()
452 const FieldElement kB = {
465   FieldElement z1z1, z2z2, u1, u2, s1, s2, h, i, j, r, v;  in AddJacobian()
561   FieldElement delta, gamma, beta, alpha, t;  in DoubleJacobian()
690   FieldElement lhs;  in SetFromString()
694   FieldElement rhs;  in SetFromString()
698   FieldElement three_x;  in SetFromString()
712   FieldElement zinv, zinv_sq, xx, yy;  in ToString()
760   FieldElement zinv, zinv_sq, y;  in Negate()