72 lines
2.0 KiB
C
72 lines
2.0 KiB
C
#include <stdio.h>
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#include <stdint.h>
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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 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 ha(uint8_t a, uint8_t b){
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uint8_t out = 0;
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uint8_t ha_a = 0;
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uint8_t ha_b = 0;
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uint8_t ha_y0 = 0;
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uint8_t ha_y1 = 0;
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ha_a = ((a >> 0) & 0x01);
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ha_b = ((b >> 0) & 0x01);
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ha_y0 = xor_gate(ha_a, ha_b);
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ha_y1 = and_gate(ha_a, ha_b);
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out |= (ha_y0 & 0x01) << 0;
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out |= (ha_y1 & 0x01) << 1;
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return out;
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}
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uint64_t h_u_arrmul2(uint64_t a, uint64_t b){
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uint8_t out = 0;
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uint8_t a_0 = 0;
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uint8_t a_1 = 0;
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uint8_t b_0 = 0;
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uint8_t b_1 = 0;
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uint8_t h_u_arrmul2_and0_0_y0 = 0;
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uint8_t h_u_arrmul2_and1_0_y0 = 0;
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uint8_t h_u_arrmul2_and0_1_y0 = 0;
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uint8_t h_u_arrmul2_ha0_1_y0 = 0;
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uint8_t h_u_arrmul2_ha0_1_y1 = 0;
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uint8_t h_u_arrmul2_and1_1_y0 = 0;
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uint8_t h_u_arrmul2_ha1_1_y0 = 0;
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uint8_t h_u_arrmul2_ha1_1_y1 = 0;
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a_0 = ((a >> 0) & 0x01);
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a_1 = ((a >> 1) & 0x01);
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b_0 = ((b >> 0) & 0x01);
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b_1 = ((b >> 1) & 0x01);
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h_u_arrmul2_and0_0_y0 = and_gate(a_0, b_0);
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h_u_arrmul2_and1_0_y0 = and_gate(a_1, b_0);
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h_u_arrmul2_and0_1_y0 = and_gate(a_0, b_1);
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h_u_arrmul2_ha0_1_y0 = (ha(h_u_arrmul2_and0_1_y0, h_u_arrmul2_and1_0_y0) >> 0) & 0x01;
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h_u_arrmul2_ha0_1_y1 = (ha(h_u_arrmul2_and0_1_y0, h_u_arrmul2_and1_0_y0) >> 1) & 0x01;
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h_u_arrmul2_and1_1_y0 = and_gate(a_1, b_1);
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h_u_arrmul2_ha1_1_y0 = (ha(h_u_arrmul2_and1_1_y0, h_u_arrmul2_ha0_1_y1) >> 0) & 0x01;
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h_u_arrmul2_ha1_1_y1 = (ha(h_u_arrmul2_and1_1_y0, h_u_arrmul2_ha0_1_y1) >> 1) & 0x01;
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out |= (h_u_arrmul2_and0_0_y0 & 0x01) << 0;
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out |= (h_u_arrmul2_ha0_1_y0 & 0x01) << 1;
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out |= (h_u_arrmul2_ha1_1_y0 & 0x01) << 2;
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out |= (h_u_arrmul2_ha1_1_y1 & 0x01) << 3;
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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 < 4; i++){
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for (int j = 0; j < 4; j++){
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assert((i * j) == h_u_arrmul2(i,j));
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}
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}
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return 0;
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} |