219 void Square(FieldElement* out, const FieldElement& a) {  in Square()  function
277   Square(&f1, in);                        // 2  in Invert()
279   Square(&f1, f1);                        // 2**3 - 2  in Invert()
281   Square(&f2, f1);                        // 2**4 - 2  in Invert()
282   Square(&f2, f2);                        // 2**5 - 4  in Invert()
283   Square(&f2, f2);                        // 2**6 - 8  in Invert()
285   Square(&f2, f1);                        // 2**7 - 2  in Invert()
287     Square(&f2, f2);  in Invert()
290   Square(&f3, f2);                        // 2**13 - 2  in Invert()
292     Square(&f3, f3);  in Invert()
295   Square(&f3, f2);                        // 2**25 - 2  in Invert()
297     Square(&f3, f3);  in Invert()
300   Square(&f4, f3);                        // 2**49 - 2  in Invert()
302     Square(&f4, f4);  in Invert()
305   Square(&f4, f3);                        // 2**97 - 2  in Invert()
307     Square(&f4, f4);  in Invert()
311     Square(&f2, f2);  in Invert()
314   Square(&f1, f1);                        // 2**127 - 2  in Invert()
317     Square(&f1, f1);  in Invert()
471   Square(&z1z1, a.z);  in AddJacobian()
474   Square(&z2z2, b.z);  in AddJacobian()
500   Square(&i, i);  in AddJacobian()
528   Square(&z2z2, z2z2);  in AddJacobian()
539   Square(&out->x, r);  in AddJacobian()
563   Square(&delta, a.z);  in DoubleJacobian()
564   Square(&gamma, a.y);  in DoubleJacobian()
580   Square(&out->z, out->z);  in DoubleJacobian()
591   Square(&out->x, alpha);  in DoubleJacobian()
602   Square(&gamma, gamma);  in DoubleJacobian()
691   Square(&lhs, y);  in SetFromString()
695   Square(&rhs, x);  in SetFromString()
721   Square(&zinv_sq, zinv);  in ToString()
762   Square(&zinv_sq, zinv);  in Negate()