2 #include "crypto_int64.h"
11 |f| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc.
14 |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
17 void fe_mul121666(fe h,fe f)
19 crypto_int32 f0 = f[0];
20 crypto_int32 f1 = f[1];
21 crypto_int32 f2 = f[2];
22 crypto_int32 f3 = f[3];
23 crypto_int32 f4 = f[4];
24 crypto_int32 f5 = f[5];
25 crypto_int32 f6 = f[6];
26 crypto_int32 f7 = f[7];
27 crypto_int32 f8 = f[8];
28 crypto_int32 f9 = f[9];
29 crypto_int64 h0 = f0 * (crypto_int64) 121666;
30 crypto_int64 h1 = f1 * (crypto_int64) 121666;
31 crypto_int64 h2 = f2 * (crypto_int64) 121666;
32 crypto_int64 h3 = f3 * (crypto_int64) 121666;
33 crypto_int64 h4 = f4 * (crypto_int64) 121666;
34 crypto_int64 h5 = f5 * (crypto_int64) 121666;
35 crypto_int64 h6 = f6 * (crypto_int64) 121666;
36 crypto_int64 h7 = f7 * (crypto_int64) 121666;
37 crypto_int64 h8 = f8 * (crypto_int64) 121666;
38 crypto_int64 h9 = f9 * (crypto_int64) 121666;
50 carry9 = (h9 + (crypto_int64) (1<<24)) >> 25; h0 += carry9 * 19; h9 -= carry9 << 25;
51 carry1 = (h1 + (crypto_int64) (1<<24)) >> 25; h2 += carry1; h1 -= carry1 << 25;
52 carry3 = (h3 + (crypto_int64) (1<<24)) >> 25; h4 += carry3; h3 -= carry3 << 25;
53 carry5 = (h5 + (crypto_int64) (1<<24)) >> 25; h6 += carry5; h5 -= carry5 << 25;
54 carry7 = (h7 + (crypto_int64) (1<<24)) >> 25; h8 += carry7; h7 -= carry7 << 25;
56 carry0 = (h0 + (crypto_int64) (1<<25)) >> 26; h1 += carry0; h0 -= carry0 << 26;
57 carry2 = (h2 + (crypto_int64) (1<<25)) >> 26; h3 += carry2; h2 -= carry2 << 26;
58 carry4 = (h4 + (crypto_int64) (1<<25)) >> 26; h5 += carry4; h4 -= carry4 << 26;
59 carry6 = (h6 + (crypto_int64) (1<<25)) >> 26; h7 += carry6; h6 -= carry6 << 26;
60 carry8 = (h8 + (crypto_int64) (1<<25)) >> 26; h9 += carry8; h8 -= carry8 << 26;