39 lines
1007 B
C
39 lines
1007 B
C
#include <stdio.h>
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#include <stdint.h>
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uint8_t full_adder(uint8_t a, uint8_t b, uint8_t cin){
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uint8_t out = 0;
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uint8_t full_adder_a = 0;
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uint8_t full_adder_b = 0;
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uint8_t full_adder_y0 = 0;
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uint8_t full_adder_y1 = 0;
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uint8_t full_adder_cin = 0;
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uint8_t full_adder_y2 = 0;
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uint8_t full_adder_y3 = 0;
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uint8_t full_adder_y4 = 0;
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full_adder_a = ((a >> 0) & 0x01);
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full_adder_b = ((b >> 0) & 0x01);
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full_adder_cin = ((cin >> 0) & 0x01);
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full_adder_y0 = full_adder_a ^ full_adder_b;
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full_adder_y1 = full_adder_a & full_adder_b;
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full_adder_y2 = full_adder_y0 ^ full_adder_cin;
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full_adder_y3 = full_adder_y0 & full_adder_cin;
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full_adder_y4 = full_adder_y1 | full_adder_y3;
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out |= (full_adder_y2 & 0x01) << 0;
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out |= (full_adder_y4 & 0x01) << 1;
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return out;
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}
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#include <assert.h>
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int main(){
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for (int i = 0; i < 2; i++){
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for (int j = 0; j < 2; j++){
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for (int k = 0; k < 2; k++){
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assert((i + j + k) == full_adder(i,j,k));
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}
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}
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}
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return 0;
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} |