Mercurial > dropbear
annotate tomsfastmath/src/addsub/fp_cmp.c @ 646:f10335e5e42f dropbear-tfm
- More asm constraint fixes. Now seems to build OK on 32-bit OS X.
author | Matt Johnston <matt@ucc.asn.au> |
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date | Wed, 30 Nov 2011 23:03:47 +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
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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
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parents:
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4 * falls short. That is speed ;-) |
a362b62d38b2
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
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5 * |
a362b62d38b2
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
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6 * This project is public domain and free for all purposes. |
a362b62d38b2
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
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7 * |
a362b62d38b2
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
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8 * Tom St Denis, [email protected] |
a362b62d38b2
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
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9 */ |
a362b62d38b2
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
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10 #include <tfm.h> |
a362b62d38b2
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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 int fp_cmp(fp_int *a, fp_int *b) |
a362b62d38b2
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parents:
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13 { |
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14 if (a->sign == FP_NEG && b->sign == FP_ZPOS) { |
a362b62d38b2
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parents:
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15 return FP_LT; |
a362b62d38b2
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
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16 } else if (a->sign == FP_ZPOS && b->sign == FP_NEG) { |
a362b62d38b2
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
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17 return FP_GT; |
a362b62d38b2
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parents:
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18 } else { |
a362b62d38b2
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parents:
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19 /* compare digits */ |
a362b62d38b2
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parents:
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20 if (a->sign == FP_NEG) { |
a362b62d38b2
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parents:
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21 /* if negative compare opposite direction */ |
a362b62d38b2
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parents:
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22 return fp_cmp_mag(b, a); |
a362b62d38b2
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parents:
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23 } else { |
a362b62d38b2
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parents:
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24 return fp_cmp_mag(a, b); |
a362b62d38b2
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parents:
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25 } |
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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29 /* $Source$ */ |
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30 /* $Revision$ */ |
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31 /* $Date$ */ |