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Rushil Umaretiya 2024-03-08 23:53:54 -05:00
parent c483dc942d
commit 991bede316
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1 changed files with 20 additions and 11 deletions
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bit_utils.c
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@ -1,4 +1,4 @@
// PID: 9DigitPidNoSpacesOrDashes // PID: 730677144
// I pledge the COMP 211 honor code. // I pledge the COMP 211 honor code.
/** /**
@ -11,28 +11,37 @@
#include "bit_utils.h" #include "bit_utils.h"
unsigned int mask(unsigned int num, unsigned int bits) { unsigned int mask(unsigned int num, unsigned int bits) {
// TODO: implement return num & bits;
return 0;
} }
unsigned int set(unsigned int num, unsigned int bits) { unsigned int set(unsigned int num, unsigned int bits) {
// TODO: implement return num | bits;
return 0;
} }
unsigned int inverse(unsigned int num, unsigned int bits) { unsigned int inverse(unsigned int num, unsigned int bits) {
// TODO: implement return num ^ bits;
return 0;
} }
unsigned int bit_select(unsigned int num, unsigned int bit_select(unsigned int num,
unsigned int startbit, unsigned int startbit,
unsigned int endbit) { unsigned int endbit) {
// TODO: implement unsigned int shifted = num >> endbit;
return 0; unsigned int bit_count = startbit - endbit + 1;
unsigned int mask = (1 << bit_count) - 1;
return shifted & mask;
} }
unsigned int barrel_shift(unsigned int num, unsigned int shamt) { unsigned int barrel_shift(unsigned int num, unsigned int shamt) {
// TODO: implement const unsigned int bit_width = sizeof(unsigned int) * 8;
return 0;
shamt %= bit_width;
if (shamt == 0) {
return num;
}
unsigned int right_part = num >> shamt;
unsigned int left_part = num << (bit_width - shamt);
return right_part | left_part;
} }