mirror of
https://github.com/ehw-fit/ariths-gen.git
synced 2025-04-22 06:41:22 +01:00
51 lines
1.1 KiB
C
51 lines
1.1 KiB
C
#include <stdio.h>
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#include <stdint.h>
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uint8_t xor_gate(uint8_t _a, uint8_t _b){
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return ((_a >> 0) & 0x01) ^ ((_b >> 0) & 0x01);
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}
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uint8_t and_gate(uint8_t _a, uint8_t _b){
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return ((_a >> 0) & 0x01) & ((_b >> 0) & 0x01);
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}
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uint8_t or_gate(uint8_t _a, uint8_t _b){
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return ((_a >> 0) & 0x01) | ((_b >> 0) & 0x01);
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}
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uint8_t h_fa(uint8_t a, uint8_t b, uint8_t cin){
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uint8_t out = 0;
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uint8_t h_fa_a = 0;
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uint8_t h_fa_b = 0;
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uint8_t h_fa_y0 = 0;
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uint8_t h_fa_y1 = 0;
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uint8_t h_fa_cin = 0;
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uint8_t h_fa_y2 = 0;
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uint8_t h_fa_y3 = 0;
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uint8_t h_fa_y4 = 0;
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h_fa_a = ((a >> 0) & 0x01);
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h_fa_b = ((b >> 0) & 0x01);
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h_fa_cin = ((cin >> 0) & 0x01);
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h_fa_y0 = xor_gate(h_fa_a, h_fa_b);
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h_fa_y1 = and_gate(h_fa_a, h_fa_b);
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h_fa_y2 = xor_gate(h_fa_y0, h_fa_cin);
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h_fa_y3 = and_gate(h_fa_y0, h_fa_cin);
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h_fa_y4 = or_gate(h_fa_y1, h_fa_y3);
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out |= (h_fa_y2 & 0x01) << 0;
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out |= (h_fa_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) == h_fa(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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} |