Mercurial > dropbear
annotate tomsfastmath/src/sqr/fp_sqr.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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643
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1 /* TomsFastMath, a fast ISO C bignum library. |
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2 * |
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3 * This project is meant to fill in where LibTomMath |
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4 * falls short. That is speed ;-) |
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5 * |
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6 * This project is public domain and free for all purposes. |
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7 * |
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8 * Tom St Denis, [email protected] |
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9 */ |
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10 #include <tfm.h> |
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11 |
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12 /* b = a*a */ |
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13 void fp_sqr(fp_int *A, fp_int *B) |
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14 { |
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15 int y; |
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16 |
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17 /* call generic if we're out of range */ |
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18 if (A->used + A->used > FP_SIZE) { |
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19 fp_sqr_comba(A, B); |
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20 return ; |
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21 } |
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22 |
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23 y = A->used; |
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24 #if defined(TFM_SQR3) |
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25 if (y <= 3) { |
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26 fp_sqr_comba3(A,B); |
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27 return; |
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28 } |
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29 #endif |
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30 #if defined(TFM_SQR4) |
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31 if (y == 4) { |
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32 fp_sqr_comba4(A,B); |
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33 return; |
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34 } |
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35 #endif |
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36 #if defined(TFM_SQR6) |
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37 if (y <= 6) { |
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38 fp_sqr_comba6(A,B); |
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39 return; |
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40 } |
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41 #endif |
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42 #if defined(TFM_SQR7) |
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43 if (y == 7) { |
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44 fp_sqr_comba7(A,B); |
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45 return; |
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46 } |
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47 #endif |
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48 #if defined(TFM_SQR8) |
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49 if (y == 8) { |
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50 fp_sqr_comba8(A,B); |
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51 return; |
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52 } |
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53 #endif |
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54 #if defined(TFM_SQR9) |
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55 if (y == 9) { |
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56 fp_sqr_comba9(A,B); |
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57 return; |
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58 } |
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59 #endif |
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60 #if defined(TFM_SQR12) |
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61 if (y <= 12) { |
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62 fp_sqr_comba12(A,B); |
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63 return; |
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64 } |
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65 #endif |
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66 #if defined(TFM_SQR17) |
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67 if (y <= 17) { |
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68 fp_sqr_comba17(A,B); |
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69 return; |
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70 } |
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71 #endif |
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72 #if defined(TFM_SMALL_SET) |
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73 if (y <= 16) { |
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74 fp_sqr_comba_small(A,B); |
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75 return; |
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76 } |
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77 #endif |
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78 #if defined(TFM_SQR20) |
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79 if (y <= 20) { |
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80 fp_sqr_comba20(A,B); |
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81 return; |
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82 } |
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83 #endif |
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84 #if defined(TFM_SQR24) |
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85 if (y <= 24) { |
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86 fp_sqr_comba24(A,B); |
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87 return; |
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88 } |
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89 #endif |
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90 #if defined(TFM_SQR28) |
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91 if (y <= 28) { |
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92 fp_sqr_comba28(A,B); |
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93 return; |
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94 } |
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95 #endif |
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96 #if defined(TFM_SQR32) |
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97 if (y <= 32) { |
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98 fp_sqr_comba32(A,B); |
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99 return; |
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100 } |
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101 #endif |
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102 #if defined(TFM_SQR48) |
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103 if (y <= 48) { |
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104 fp_sqr_comba48(A,B); |
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105 return; |
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106 } |
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107 #endif |
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108 #if defined(TFM_SQR64) |
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109 if (y <= 64) { |
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110 fp_sqr_comba64(A,B); |
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111 return; |
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112 } |
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113 #endif |
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114 fp_sqr_comba(A, B); |
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115 } |
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116 |
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117 |
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118 /* $Source$ */ |
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119 /* $Revision$ */ |
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120 /* $Date$ */ |