Mercurial > dropbear
annotate tomsfastmath/src/addsub/fp_sub_d.c @ 645:8622ee48fab5 dropbear-tfm
- Work around broken asm constraint behaviour on 32bit x86 OS X
author | Matt Johnston <matt@ucc.asn.au> |
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date | Wed, 30 Nov 2011 22:27:26 +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
Matt Johnston <matt@ucc.asn.au>
parents:
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2 * |
a362b62d38b2
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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
Matt Johnston <matt@ucc.asn.au>
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 /* c = a - b */ |
a362b62d38b2
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
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13 void fp_sub_d(fp_int *a, fp_digit b, fp_int *c) |
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 fp_int tmp; |
a362b62d38b2
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
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16 fp_set(&tmp, b); |
a362b62d38b2
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
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17 fp_sub(a, &tmp, c); |
a362b62d38b2
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
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18 } |
a362b62d38b2
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
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19 |
a362b62d38b2
Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
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20 /* $Source$ */ |
a362b62d38b2
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parents:
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21 /* $Revision$ */ |
a362b62d38b2
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parents:
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22 /* $Date$ */ |