74 lines
2.3 KiB
C
74 lines
2.3 KiB
C
#include <stdio.h>
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#include <stdint.h>
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int64_t f_s_rca2(int64_t a, int64_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 f_s_rca2_ha_a_0 = 0;
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uint8_t f_s_rca2_ha_b_0 = 0;
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uint8_t f_s_rca2_ha_y0 = 0;
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uint8_t f_s_rca2_ha_y1 = 0;
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uint8_t f_s_rca2_fa1_a_1 = 0;
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uint8_t f_s_rca2_fa1_b_1 = 0;
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uint8_t f_s_rca2_fa1_y0 = 0;
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uint8_t f_s_rca2_fa1_y1 = 0;
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uint8_t f_s_rca2_fa1_f_s_rca2_ha_y1 = 0;
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uint8_t f_s_rca2_fa1_y2 = 0;
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uint8_t f_s_rca2_fa1_y3 = 0;
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uint8_t f_s_rca2_fa1_y4 = 0;
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uint8_t f_s_rca2_xor0_a_1 = 0;
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uint8_t f_s_rca2_xor0_b_1 = 0;
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uint8_t f_s_rca2_xor0_y0 = 0;
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uint8_t f_s_rca2_xor1_f_s_rca2_xor0_y0 = 0;
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uint8_t f_s_rca2_xor1_f_s_rca2_fa1_y4 = 0;
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uint8_t f_s_rca2_xor1_y0 = 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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f_s_rca2_ha_a_0 = ((a_0 >> 0) & 0x01);
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f_s_rca2_ha_b_0 = ((b_0 >> 0) & 0x01);
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f_s_rca2_ha_y0 = f_s_rca2_ha_a_0 ^ f_s_rca2_ha_b_0;
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f_s_rca2_ha_y1 = f_s_rca2_ha_a_0 & f_s_rca2_ha_b_0;
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f_s_rca2_fa1_a_1 = ((a_1 >> 0) & 0x01);
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f_s_rca2_fa1_b_1 = ((b_1 >> 0) & 0x01);
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f_s_rca2_fa1_f_s_rca2_ha_y1 = ((f_s_rca2_ha_y1 >> 0) & 0x01);
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f_s_rca2_fa1_y0 = f_s_rca2_fa1_a_1 ^ f_s_rca2_fa1_b_1;
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f_s_rca2_fa1_y1 = f_s_rca2_fa1_a_1 & f_s_rca2_fa1_b_1;
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f_s_rca2_fa1_y2 = f_s_rca2_fa1_y0 ^ f_s_rca2_fa1_f_s_rca2_ha_y1;
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f_s_rca2_fa1_y3 = f_s_rca2_fa1_y0 & f_s_rca2_fa1_f_s_rca2_ha_y1;
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f_s_rca2_fa1_y4 = f_s_rca2_fa1_y1 | f_s_rca2_fa1_y3;
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f_s_rca2_xor0_a_1 = a_1;
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f_s_rca2_xor0_b_1 = b_1;
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f_s_rca2_xor0_y0 = f_s_rca2_xor0_a_1 ^ f_s_rca2_xor0_b_1;
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f_s_rca2_xor1_f_s_rca2_xor0_y0 = f_s_rca2_xor0_y0;
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f_s_rca2_xor1_f_s_rca2_fa1_y4 = f_s_rca2_fa1_y4;
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f_s_rca2_xor1_y0 = f_s_rca2_xor1_f_s_rca2_xor0_y0 ^ f_s_rca2_xor1_f_s_rca2_fa1_y4;
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out |= (f_s_rca2_ha_y0 & 0x01) << 0;
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out |= (f_s_rca2_fa1_y2 & 0x01) << 1;
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out |= (f_s_rca2_xor1_y0 & 0x01) << 2;
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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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int result = 0;
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for (int i = -2; i < 2; i++){
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for (int j = -2; j < 2; j++){
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result = i + j;
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// Calculating 2's complement in case of negative sum
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if (result < 0) {
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result = 8 + result;
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}
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assert(result == (int)f_s_rca2(i,j));
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}
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}
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return 0;
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} |