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46 lines
855 B
46 lines
855 B
9 years ago
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#include "fe.h"
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/*
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h = -f
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Preconditions:
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|f| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
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Postconditions:
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|h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
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*/
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void fe_neg(fe h,const fe f)
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{
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crypto_int32 f0 = f[0];
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crypto_int32 f1 = f[1];
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crypto_int32 f2 = f[2];
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crypto_int32 f3 = f[3];
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crypto_int32 f4 = f[4];
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crypto_int32 f5 = f[5];
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crypto_int32 f6 = f[6];
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crypto_int32 f7 = f[7];
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crypto_int32 f8 = f[8];
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crypto_int32 f9 = f[9];
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crypto_int32 h0 = -f0;
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crypto_int32 h1 = -f1;
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crypto_int32 h2 = -f2;
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crypto_int32 h3 = -f3;
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crypto_int32 h4 = -f4;
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crypto_int32 h5 = -f5;
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crypto_int32 h6 = -f6;
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crypto_int32 h7 = -f7;
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crypto_int32 h8 = -f8;
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crypto_int32 h9 = -f9;
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h[0] = h0;
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h[1] = h1;
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h[2] = h2;
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h[3] = h3;
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h[4] = h4;
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h[5] = h5;
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h[6] = h6;
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h[7] = h7;
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h[8] = h8;
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h[9] = h9;
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}
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