Mercurial > dropbear
annotate tomsfastmath/src/bin/fp_reverse.c @ 647:939cd3e22c87 dropbear-tfm
- Fix constraints so we don't get warned about uninitialised
variable (it isn't used as input by the asm)
author | Matt Johnston <matt@ucc.asn.au> |
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date | Wed, 30 Nov 2011 23:15:21 +0800 |
parents | a362b62d38b2 |
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rev | line source |
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a362b62d38b2
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
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1 /* TomsFastMath, a fast ISO C bignum library. |
a362b62d38b2
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
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2 * |
a362b62d38b2
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Matt Johnston <matt@ucc.asn.au>
parents:
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3 * This project is meant to fill in where LibTomMath |
a362b62d38b2
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
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4 * falls short. That is speed ;-) |
a362b62d38b2
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
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5 * |
a362b62d38b2
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
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6 * This project is public domain and free for all purposes. |
a362b62d38b2
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
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7 * |
a362b62d38b2
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
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8 * Tom St Denis, [email protected] |
a362b62d38b2
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
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9 */ |
a362b62d38b2
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
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10 #include <tfm.h> |
a362b62d38b2
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
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11 |
a362b62d38b2
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
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12 /* reverse an array, used for radix code */ |
a362b62d38b2
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
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13 void fp_reverse (unsigned char *s, int len) |
a362b62d38b2
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
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14 { |
a362b62d38b2
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
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15 int ix, iy; |
a362b62d38b2
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
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16 unsigned char t; |
a362b62d38b2
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
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17 |
a362b62d38b2
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
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18 ix = 0; |
a362b62d38b2
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parents:
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19 iy = len - 1; |
a362b62d38b2
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parents:
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20 while (ix < iy) { |
a362b62d38b2
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parents:
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21 t = s[ix]; |
a362b62d38b2
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parents:
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22 s[ix] = s[iy]; |
a362b62d38b2
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
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23 s[iy] = t; |
a362b62d38b2
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
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24 ++ix; |
a362b62d38b2
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parents:
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25 --iy; |
a362b62d38b2
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parents:
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26 } |
a362b62d38b2
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parents:
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27 } |
a362b62d38b2
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parents:
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28 |
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parents:
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29 /* $Source$ */ |
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30 /* $Revision$ */ |
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31 /* $Date$ */ |