471 static void ge_p3_to_p2(ge_p2 *r, const ge_p3 *p) {  in ge_p3_to_p2()  argument
472   fe_copy(&r->X, &p->X);  in ge_p3_to_p2()
473   fe_copy(&r->Y, &p->Y);  in ge_p3_to_p2()
474   fe_copy(&r->Z, &p->Z);  in ge_p3_to_p2()
478 void x25519_ge_p3_to_cached(ge_cached *r, const ge_p3 *p) {  in x25519_ge_p3_to_cached()  argument
479   fe_add(&r->YplusX, &p->Y, &p->X);  in x25519_ge_p3_to_cached()
480   fe_sub(&r->YminusX, &p->Y, &p->X);  in x25519_ge_p3_to_cached()
481   fe_copy_lt(&r->Z, &p->Z);  in x25519_ge_p3_to_cached()
482   fe_mul_ltt(&r->T2d, &p->T, &d2);  in x25519_ge_p3_to_cached()
486 void x25519_ge_p1p1_to_p2(ge_p2 *r, const ge_p1p1 *p) {  in x25519_ge_p1p1_to_p2()  argument
487   fe_mul_tll(&r->X, &p->X, &p->T);  in x25519_ge_p1p1_to_p2()
488   fe_mul_tll(&r->Y, &p->Y, &p->Z);  in x25519_ge_p1p1_to_p2()
489   fe_mul_tll(&r->Z, &p->Z, &p->T);  in x25519_ge_p1p1_to_p2()
493 void x25519_ge_p1p1_to_p3(ge_p3 *r, const ge_p1p1 *p) {  in x25519_ge_p1p1_to_p3()  argument
494   fe_mul_tll(&r->X, &p->X, &p->T);  in x25519_ge_p1p1_to_p3()
495   fe_mul_tll(&r->Y, &p->Y, &p->Z);  in x25519_ge_p1p1_to_p3()
496   fe_mul_tll(&r->Z, &p->Z, &p->T);  in x25519_ge_p1p1_to_p3()
497   fe_mul_tll(&r->T, &p->X, &p->Y);  in x25519_ge_p1p1_to_p3()
501 static void ge_p2_dbl(ge_p1p1 *r, const ge_p2 *p) {  in ge_p2_dbl()  argument
505   fe_sq_tt(&trX, &p->X);  in ge_p2_dbl()
506   fe_sq_tt(&trZ, &p->Y);  in ge_p2_dbl()
507   fe_sq2_tt(&trT, &p->Z);  in ge_p2_dbl()
508   fe_add(&r->Y, &p->X, &p->Y);  in ge_p2_dbl()
520 static void ge_p3_dbl(ge_p1p1 *r, const ge_p3 *p) {  in ge_p3_dbl()  argument
522   ge_p3_to_p2(&q, p);  in ge_p3_dbl()
527 static void ge_madd(ge_p1p1 *r, const ge_p3 *p, const ge_precomp *q) {  in ge_madd()  argument
530   fe_add(&r->X, &p->Y, &p->X);  in ge_madd()
531   fe_sub(&r->Y, &p->Y, &p->X);  in ge_madd()
534   fe_mul_tlt(&trT, &q->xy2d, &p->T);  in ge_madd()
535   fe_add(&r->T, &p->Z, &p->Z);  in ge_madd()
544 static void ge_msub(ge_p1p1 *r, const ge_p3 *p, const ge_precomp *q) {  in ge_msub()  argument
547   fe_add(&r->X, &p->Y, &p->X);  in ge_msub()
548   fe_sub(&r->Y, &p->Y, &p->X);  in ge_msub()
551   fe_mul_tlt(&trT, &q->xy2d, &p->T);  in ge_msub()
552   fe_add(&r->T, &p->Z, &p->Z);  in ge_msub()
561 void x25519_ge_add(ge_p1p1 *r, const ge_p3 *p, const ge_cached *q) {  in x25519_ge_add()  argument
564   fe_add(&r->X, &p->Y, &p->X);  in x25519_ge_add()
565   fe_sub(&r->Y, &p->Y, &p->X);  in x25519_ge_add()
568   fe_mul_tlt(&trT, &q->T2d, &p->T);  in x25519_ge_add()
569   fe_mul_ttl(&trX, &p->Z, &q->Z);  in x25519_ge_add()
579 void x25519_ge_sub(ge_p1p1 *r, const ge_p3 *p, const ge_cached *q) {  in x25519_ge_sub()  argument
582   fe_add(&r->X, &p->Y, &p->X);  in x25519_ge_sub()
583   fe_sub(&r->Y, &p->Y, &p->X);  in x25519_ge_sub()
586   fe_mul_tlt(&trT, &q->T2d, &p->T);  in x25519_ge_sub()
587   fe_mul_ttl(&trX, &p->Z, &q->Z);  in x25519_ge_sub()