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zbset.3 - libzahl - big integer library |
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git clone git://git.suckless.org/libzahl |
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zbset.3 (636B) |
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1 .TH ZBSET 3 libzahl |
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2 .SH NAME |
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3 zbset - Set, clear, or flip a bit in a big integer |
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4 .SH SYNOPSIS |
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5 .nf |
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6 #include <zahl.h> |
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7 |
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8 void zbset(z_t \fIa\fP, z_t \fIb\fP, size_t \fIindex\fP, int \fIset\fP); |
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9 .fi |
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10 .SH DESCRIPTION |
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11 .B zbset |
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12 either sets, clears, or flips the bit with the selected |
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13 .I index |
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14 in |
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15 .IR b , |
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16 and stores the result in |
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17 .IR a . |
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18 .P |
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19 The bit is set if |
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20 .IR "(set>0)" , |
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21 clear if |
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22 .IR "(set==0)" , |
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23 and flipped if |
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24 .IR "(set<0)" . |
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25 .P |
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26 It is safe to call |
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27 .B zbset |
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28 with non-unique parameters. |
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29 .SH SEE ALSO |
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30 .BR zbtest (3), |
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31 .BR zand (3), |
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32 .BR zor (3), |
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33 .BR zxor (3), |
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34 .BR znot (3), |
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35 .BR zlsh (3), |
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36 .BR zrsh (3), |
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37 .BR zsplit (3), |
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38 .BR zlsb (3), |
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39 .BR zbits (3) |
