#define LIMB(x) (x##ull)&((1ull<<28)-1), (x##ull)>>28
#define FIELD_LITERAL(a,b,c,d,e,f,g,h) \
{{LIMB(a),LIMB(b),LIMB(c),LIMB(d),LIMB(e),LIMB(f),LIMB(g),LIMB(h)}}
-
+
#define LIMB_PLACE_VALUE(i) 28
-void gf_add_RAW (gf out, const gf a, const gf b) {
- for (unsigned int i=0; i<sizeof(*out)/sizeof(uint32xn_t); i++) {
- ((uint32xn_t*)out)[i] = ((const uint32xn_t*)a)[i] + ((const uint32xn_t*)b)[i];
+void gf_add_RAW(gf out, const gf a, const gf b)
+{
+ for (unsigned int i = 0; i < sizeof(*out) / sizeof(uint32xn_t); i++) {
+ ((uint32xn_t *) out)[i] =
+ ((const uint32xn_t *)a)[i] + ((const uint32xn_t *)b)[i];
}
/*
- for (unsigned int i=0; i<sizeof(*out)/sizeof(out->limb[0]); i++) {
- out->limb[i] = a->limb[i] + b->limb[i];
- }
- */
+ * for (unsigned int i=0; i<sizeof(*out)/sizeof(out->limb[0]); i++) {
+ * out->limb[i] = a->limb[i] + b->limb[i]; }
+ */
}
-void gf_sub_RAW (gf out, const gf a, const gf b) {
- for (unsigned int i=0; i<sizeof(*out)/sizeof(uint32xn_t); i++) {
- ((uint32xn_t*)out)[i] = ((const uint32xn_t*)a)[i] - ((const uint32xn_t*)b)[i];
+void gf_sub_RAW(gf out, const gf a, const gf b)
+{
+ for (unsigned int i = 0; i < sizeof(*out) / sizeof(uint32xn_t); i++) {
+ ((uint32xn_t *) out)[i] =
+ ((const uint32xn_t *)a)[i] - ((const uint32xn_t *)b)[i];
}
/*
- for (unsigned int i=0; i<sizeof(*out)/sizeof(out->limb[0]); i++) {
- out->limb[i] = a->limb[i] - b->limb[i];
- }
- */
+ * for (unsigned int i=0; i<sizeof(*out)/sizeof(out->limb[0]); i++) {
+ * out->limb[i] = a->limb[i] - b->limb[i]; }
+ */
}
-void gf_bias (gf a, int amt) {
- uint32_t co1 = ((1ull<<28)-1)*amt, co2 = co1-amt;
- uint32x4_t lo = {co1,co1,co1,co1}, hi = {co2,co1,co1,co1};
- uint32x4_t *aa = (uint32x4_t*) a;
+void gf_bias(gf a, int amt)
+{
+ uint32_t co1 = ((1ull << 28) - 1) * amt, co2 = co1 - amt;
+ uint32x4_t lo = { co1, co1, co1, co1 }, hi = {
+ co2, co1, co1, co1};
+ uint32x4_t *aa = (uint32x4_t *) a;
aa[0] += lo;
aa[1] += lo;
aa[2] += hi;
aa[3] += lo;
}
-void gf_weak_reduce (gf a) {
- uint64_t mask = (1ull<<28) - 1;
+void gf_weak_reduce(gf a)
+{
+ uint64_t mask = (1ull << 28) - 1;
uint64_t tmp = a->limb[15] >> 28;
a->limb[8] += tmp;
- for (unsigned int i=15; i>0; i--) {
- a->limb[i] = (a->limb[i] & mask) + (a->limb[i-1]>>28);
+ for (unsigned int i = 15; i > 0; i--) {
+ a->limb[i] = (a->limb[i] & mask) + (a->limb[i - 1] >> 28);
}
a->limb[0] = (a->limb[0] & mask) + tmp;
}
-