int main(int argc, char* argv[]){
if ( 1 && argc > 1) {
int n = atoi(argv[1]);
int small = nearest_small(n);
printf( "%.4i(%.4i) ", small, count_ones(small) );
print_bits(small);
int small2 = nearest_small2(n);
printf( "%.4i(%.4i) ", small2, count_ones(small) );
print_bits(small2);
printf( "%.4i(%.4i) ", n, count_ones(n) );
print_bits(n);
int large = nearest_large(n);
printf( "%.4i(%.4i) ", large, count_ones(large) );
print_bits(large);
int large2 = nearest_large2(n);
printf( "%.4i(%.4i) ", large2, count_ones(large2) );
print_bits(large2);
}
exit(0);
}
void test_bits(unsigned char *p) {
p[0] = 10; p[1] = p[2] = p[3] = 0;
p[4] &= ~15;
p[4] |= 10;
print_bits(36, p);
print_bits(64, p);
}
void
list_errors(int fd, struct pci_conf *p)
{
uint32_t mask, severity;
uint16_t sta, aer;
uint8_t pcie;
/* First check for standard PCI errors. */
sta = read_config(fd, &p->pc_sel, PCIR_STATUS, 2);
print_bits("PCI errors", pci_status, sta & PCI_ERRORS);
/* See if this is a PCI-express device. */
pcie = pci_find_cap(fd, p, PCIY_EXPRESS);
if (pcie == 0)
return;
/* Check for PCI-e errors. */
sta = read_config(fd, &p->pc_sel, pcie + PCIR_EXPRESS_DEVICE_STA, 2);
print_bits("PCI-e errors", pcie_device_status, sta & PCIE_ERRORS);
/* See if this device supports AER. */
aer = pcie_find_cap(fd, p, PCIZ_AER);
if (aer == 0)
return;
/* Check for uncorrected errors. */
mask = read_config(fd, &p->pc_sel, aer + PCIR_AER_UC_STATUS, 4);
severity = read_config(fd, &p->pc_sel, aer + PCIR_AER_UC_SEVERITY, 4);
print_bits("Fatal", aer_uc, mask & severity);
print_bits("Non-fatal", aer_uc, mask & ~severity);
/* Check for corrected errors. */
mask = read_config(fd, &p->pc_sel, aer + PCIR_AER_COR_STATUS, 4);
print_bits("Corrected", aer_cor, mask);
}
void test_getbits(unsigned x, int p, int n)
{
printf("getbits(");
print_bits(x);
printf(", %d, %d) = ", p, n);
print_bits(getbits(x, p, n));
printf("\n");
}
int main()
{
print_bits(127);
print_bits(128);
print_bits(0x00FF00FF);
print_bits(0xFFFFFFFF);
return 0;
}
int main() {
print_bits(0x12345678);
printf("%d\n", bitcount(0x12345678));
printf("\n");
print_bits(0xd3adb33f);
printf("%d\n", bitcount(0xd3adb33f));
}
void test_setbits(unsigned x, int p, int n, unsigned y)
{
printf("setbits(");
print_bits(x);
printf(", %d, %d, ", p, n);
print_bits(y);
printf(") = \n ");
print_bits(setbits(x, p, n, y));
printf("\n");
}
int main(void)
{
int n = 7;
int p = 16;
unsigned x = ~0;
printf("x before: ");
print_bits(x, sizeof(x));
printf("x after invert: ");
print_bits(invert(x, p, n), sizeof(x));
return 0;
}
int main(void)
{
print_bits(130);
ft_putchar('\n');
reverse_bits(130);
return (0);
}
int main(int argc, char* argv[]) {
int sum = 0;
for(int i = 1; i < 1000000; i++) {
char buffer[33];
int dec_len = sprintf(buffer, "%i", i);
//printf("%s\n", buffer);
if(!is_palindrome(buffer, dec_len)) {
continue;
}
memset(buffer, '\0', 33);
print_bits(i, buffer, 33);
char* bin = start(buffer, 32);
if(bin == NULL) { printf("null\n"); return 0; }
int bin_len = strlen(bin);
//printf("%s\n", bin);
if(!is_palindrome(bin, bin_len)) {
continue;
}
sum += i;
}
printf("%i", sum);
return 0;
}
void print_bits(int n){
if(n>1)
print_bits(n/2);
printf("%d", n%2);
}
int main( void ) {
unsigned char result = clear_bitmask();
printf( "The result is " );
print_bits( result );
printf( "\n" );
return 0;
}
void test_bitcount(unsigned int x)
{
printf("bitcount(");
print_bits(x);
printf(") = %d = ", bitcount(x));
printf("%d\n", bitcount2(x));
}
/* Print huffman code properties assigned to character */
static void
print_code(int character, struct hf_code code)
{
printf("%c: %4d: ", character, code.size);
print_bits(code.code);
printf("\n");
}
int main(void)
{
char a;
a = 'c';
print_bits(a);
return (0);
}
int main()
{
for (unsigned int i = 0; i < 256; ++i)
{
print_bits(i);
}
return 0;
}
void print_value(float const & s)
{
printf("%2.5f, ", s);
print_bits(s);
printf(", ");
// print_11bits(detail::floatTo11bit(s));
// printf(", ");
// print_10bits(detail::floatTo10bit(s));
printf("\n");
}
void print_cursor_res(int i, NAMEINFO *info)
{
CURSOR_NODE *node;
CURSORIMAGE *image;
int count;
node = (CURSOR_NODE *)info->rcsdata;
image = &(node->data);
print_bmp_hdr("cursor", i, image->bmp_hdr);
count = (int)bit_to_rgb(image->bmp_hdr->biBitCount);
print_rgb_quad("cursor", i, image->rgb_quad, count);
count = (image->bmp_hdr->biHeight * image->bmp_hdr->biWidth)/16;
print_bits("cursor_xor_bits", i, (BYTE *)image->xor_mask, count);
print_bits("cursor_and_bits", i, (BYTE *)image->and_mask, count);
COUTPUT(( "static CURSORIMAGE cursor_data_%d = {\n",i));
COUTPUT(("\t0x%04x, 0x%04x, ",image->wHotSpotX, image->wHotSpotY));
COUTPUT(("cursor_bmp_hdr_%d, cursor_rgb_quad_%d, ", i, i));
COUTPUT(("cursor_xor_bits_%d, cursor_and_bits_%d", i, i));
COUTPUT(("};\n\n"));
}
cx_vec input_state(char* input,Hamiltonian* h){
int N = h->get_system_size();
REP_TYPE state=string_to_state(input,N);
cout <<"state is: "<<endl;
print_bits(state,N);
int pos =h->find_state(state);
vec res=vec(zeros(h->get_dim()));
res(pos)=1;
cx_vec cres=cx_vec(res,zeros(h->get_dim()));
return cres;
}
void print_icon_res(int i, NAMEINFO *info)
{
ICON_NODE *node;
ICONIMAGE *image;
int count;
node = (ICON_NODE *)info->rcsdata;
image = &(node->data);
print_bmp_hdr("icon", i, image->icon_bmp_hdr);
count = bit_to_rgb(image->icon_bmp_hdr->biBitCount);
print_rgb_quad("icon", i, image->icon_rgb_quad, count);
count = (int)(image->icon_bmp_hdr->biHeight * image->icon_bmp_hdr->biWidth * image->icon_bmp_hdr->biBitCount)/16;
print_bits("icon_xor_bits", i, (BYTE *)image->icon_xor_mask, count);
count = (image->icon_bmp_hdr->biHeight * image->icon_bmp_hdr->biWidth)/16;
print_bits("icon_and_bits", i, (BYTE *)image->icon_and_mask, count);
COUTPUT(( "static ICONIMAGE icon_data_%d = {\n",i));
COUTPUT(("icon_bmp_hdr_%d, icon_rgb_quad_%d, ", i, i));
COUTPUT(( "icon_xor_bits_%d, icon_and_bits_%d",i,i));
COUTPUT(("};\n\n"));
}
int main()
{
unsigned int numbers[] = { 64575, 1398101, 911, 262015 } ;
for( unsigned int i = 0 ; i < sizeof(numbers) / sizeof( numbers[0] ) ; ++i )
{
const unsigned int n = numbers[i] ;
printf( "%u is %sa binary palindrome. (", n, is_binary_palindrome(n) ? "" : "not " ) ;
print_bits(n) ;
puts( ")" ) ;
}
}
int main( void ) {
unsigned char register_val[] = { 0x00, 0xff };
for ( int i = 0; i < 2; i++ ) {
unsigned char result = set_bits( register_val[i] );
printf( "When register is 0x%02x, the result is ", register_val[i] );
print_bits( result );
printf( "\n" );
}
return 0;
}
int main(int argc, char** argv) {
char *data = (char *)align_malloc(100, 16);
print_bits(data);
data[0] = 'a';
data[99] = 'b';
std::cout << data[0] << " " << data[99] << std::endl;
align_free(data);
}
int main(int argc, char *argv[]) {
const int size = sizeof(unsigned int) * 8;
// for (unsigned int i = 0; i < 20; ++i) {
// char buffer[size + 1] = {0};
// buffer[size] = '\0';
// btoa(i, buffer, size);
// printf("%3d: %s\n", i, buffer);
// }
// char buffer[size + 1] = {0};
// buffer[size] = '\0';
// unsigned int bf = 0x70;
// btoa(bf, buffer, size);
// printf("%3d: %s\n", bf, buffer);
// bool isPowerOfTwo = x && !(x & (x - 1));
// |= (1 << 2);
// turn on 3rd bit from end (2^2)
int x = 0;
print_bits(x);
x |= (1 << 2);
print_bits(x);
// turn it off
x = 65535;
print_bits(x);
x &= ~(1 << 2);
print_bits(x);
if (is_little_endian()) {
printf("This system is little endian.\n");
} else {
printf("This system is big endian.\n");
}
return EXIT_SUCCESS;
}
void print_bytes(const uint8_t* bytes, const size_t size)
{
size_t i;
printf("showing bytes read:\nHEX DEC BIN");
for(i = 0; i < size; ++i)
{
printf("\n$%02X %3d ", bytes[i], bytes[i]);
print_bits(bytes[i]);
}
puts("\n--------------------------");
}
// -----main関数はじまり-----
int main(void)
{
unsigned no;
int temp_no, snum;
do { // 非負の整数になるまで繰り返す
printf("非負の整数を入力してください：");
scanf("%d", &temp_no);
} while (temp_no < 0);
no = (unsigned)temp_no;
do { // 非負の整数になるまで繰り返す
printf("何ビット目を変更しますか：");
scanf("%d", &snum);
} while (snum < 0);
putchar('\n');
// ここから出力開始
printf("入力した数のビット表示 ：");
print_bits(no);
putchar('\n');
printf("%dビット目を１にした表示：", snum);
print_bits(set(no, snum));
putchar('\n');
printf("%dビット目を０にした表示：", snum);
print_bits(reset(no, snum));
putchar('\n');
printf("%dビット目を反転した表示：", snum);
print_bits(inverse(no, snum));
putchar('\n');
return(0);
}
int main(){
int a = 1024;
int b = 19;
printf("a = ");
print_bits(a);
printf("\n");
printf("b = ");
print_bits(b);
printf("\n");
int start = 2;
int end = 6;
a = insert_bits(a, b, start, end);
printf("Bits after inserting, a = ");
print_bits(a);
printf("\n");
return 0;
}
int main(void) {
UART_INIT_STDIO();
// enable watchdog (pin 6 output)
DDRD &= ~_BV(PIND6);
blink(3);
printf("\n");
i2c_init(I2C_SPEED_400KHZ);
for (uint8_t i = 0x00; i < 0x3a; i++) {
uint8_t value = i2c_read_reg(0x6b, i);
printf("REG(0x%02x) = ", i);
print_bits(sizeof value, &value);
printf(" 0x%02x\n", value);
}
i2c_write_reg(0x6b, 0x39, 0b00000000);
uint8_t ctrl1 = i2c_read_reg(0x6b, 0x20);
i2c_write_reg(0x6b, 0x20, ctrl1 | 0b1010);
// do some low level blinking until the watchdog hits
while (1) {
uint8_t status = i2c_read_reg(0x6b, 0x27);
print_bits(sizeof status, &status);
printf(" X(%d) Y(%d) Z(%d), REF(%02x) TEMP(%02dºC)\r",
i2c_read_reg16(0x6b, 0x28),
i2c_read_reg16(0x6b, 0x2A),
i2c_read_reg16(0x6b, 0x3C),
i2c_read_reg(0x6b, 0x25),
i2c_read_reg(0x6b, 0x26)
);
PORTB ^= _BV(PORTB5);
_delay_ms(50);
};
}
/* Formata a exibição dos bits do inteiro dado. */
void mostra_bits_IEE754(int n) {
float f;
/* f = n;*/ /* implica que f recebe o valor armazenado em n, ou seja, os
* bits de n são lidos, interpretados como um inteiro de
* determinado valor. Este valor é então armazenado conforme o
* padrão IEEE754. A ideia deste exemplo é verificar o valor que
* a sequência de bits (definida por n) representa as ser
* interpretada como ponto flutuante. */
memcpy(&f, &n, sizeof(f)); /* copia os bits de n em f. */
printf("%f: ", f); /* mostra o valor de f */
print_bits(n); /* mostra os bits de n/f */
putchar('\n');
}
int main( void ) {
unsigned char register_val[] = {
0x00,
0xff,
(1 << 3) | (1 << (3 + 1) ) | ( 1 << ( 3 - 1) ),
(1 << (3 + 1) ) | ( 1 << ( 3 - 1) ),
};
for ( int i = 0; i < (sizeof(register_val) / sizeof(unsigned char)); i++ ) {
unsigned char result = read_bit( register_val[i] );
printf( "When register is 0x%02x, the result is ", register_val[i] );
print_bits( result );
printf( "\n" );
}
return 0;
}