void heapSort2(int *data, int n) {
// from:http://www.cnblogs.com/richselian/archive/2012/01/04/2311837.html
int top = n;
int bottom = n;
int child = n;
int i = child;
int tmp;
for (; bottom > 0; i = child) {
tmp = data[child];
int lchild = i * 2 + 1;
int rchild = i * 2 + 2;
if (lchild < bottom && tmp < data[lchild]) {
child = lchild;
}
if (rchild < bottom && tmp < data[rchild]) {
child = rchild;
}
if (i < child) {
swap2(data, i, child);
} else {
if (top > 0) {
child = --top;
} else {
swap2(data, 0, --bottom);
child = 0;
}
}
}
}
void ssort2(char **a, int n, int depth,int* index)
{ int d, r, partval;
int Diff=0;
char **pa, **pb, **pc, **pd, **pl, **pm, **pn, *t;
//~ if (n < 10) {
//~ inssort(a, n, depth);
//~ return;
//~ }
pl = a;
pm = a + (n/2);
pn = a + (n-1);
if (n > 30) { // On big arrays, pseudomedian of 9
d = (n/8);
pl = med3(pl, pl+d, pl+2*d);
pm = med3(pm-d, pm, pm+d);
pn = med3(pn-2*d, pn-d, pn);
}
pm = med3(pl, pm, pn);
Diff=pm-a;
int *IndexA,*IndexB,*IndexC,*IndexD,*IndexN;
swap2(a, pm);
swap2Index(index,index+Diff);
partval = ptr2char(a);
pa = pb = a + 1;
pc = pd = a + n-1;
IndexA=IndexB=index+1;
IndexC=IndexD=index+n-1;
for (;;) {
while (pb <= pc && (r = ptr2char(pb)-partval) <= 0) {
if (r == 0) { swap2(pa, pb);swap2Index(IndexA, IndexB);pa++;IndexA++; }
pb++;
IndexB++;
}
while (pb <= pc && (r = ptr2char(pc)-partval) >= 0) {
if (r == 0) { swap2(pc, pd); swap2Index(IndexC, IndexD);pd--;IndexD-- ;}
pc--;
IndexC--;
}
if (pb > pc) break;
swap2(pb, pc);
swap2Index(IndexB,IndexC);
pb++;
IndexB++;
pc--;
IndexC--;
}
pn = a + n;
IndexN=index+n;
r = min(pa-a, pb-pa); vecswap2(a, pb-r, r); vecswap2Index(index,IndexB-r,r);
r = min(pd-pc, pn-pd-1); vecswap2(pb, pn-r, r); vecswap2Index(IndexB,IndexN-r,r);
if ((r = pb-pa) > 1)
ssort2(a, r, depth,index);
if (ptr2char(a + r) != 0)
ssort2(a + r, pa-a + pn-pd-1, depth+1,index+r);
if ((r = pd-pc) > 1)
ssort2(a + n-r, r, depth,index+n-r);
}
void
read_descriptrace( FILE *fp, Suds_tag header, Suds_descriptrace *d, int swap, long **data, int *bufsiz ) {
fread( &d->dt_name.network, sizeof( char ), 4, fp );
fread( &d->dt_name.st_name, sizeof( char ), 5, fp );
fread( &d->dt_name.component, sizeof( char ), 1, fp );
fread( &d->dt_name.inst_type, sizeof( short ), 1, fp );
fread( &d->begintime, sizeof( double ), 1, fp );
fread( &d->localtime, sizeof( short ), 1, fp );
fread( &d->datatype, sizeof( char ), 1, fp );
fread( &d->descriptor, sizeof( char ), 1, fp );
fread( &d->digi_by, sizeof( short ), 1, fp );
fread( &d->processed, sizeof( short ), 1, fp );
fread( &d->length, sizeof( long ), 1, fp );
fread( &d->rate, sizeof( float ), 1, fp );
fread( &d->mindata, sizeof( float ), 1, fp );
fread( &d->maxdata, sizeof( float ), 1, fp );
fread( &d->avenoise, sizeof( float ), 1, fp );
fread( &d->numclip, sizeof( long ), 1, fp );
fread( &d->time_correct, sizeof( double ), 1, fp );
fread( &d->rate_correct, sizeof( float ), 1, fp );
if( swap ) {
swap2( &d->dt_name.inst_type, &d->dt_name.inst_type, 1 );
swap8( &d->begintime, &d->begintime, 1 );
swap2( &d->localtime, &d->localtime, 1 );
swap2( &d->digi_by, &d->digi_by, 1 );
swap2( &d->processed, &d->processed, 1 );
swap4( &d->length, &d->length, 1 );
swap4( &d->rate, &d->rate, 1 );
swap4( &d->mindata, &d->mindata, 1 );
swap4( &d->maxdata, &d->maxdata, 1 );
swap4( &d->avenoise, &d->avenoise, 1 );
swap4( &d->numclip, &d->numclip, 1 );
swap8( &d->time_correct, &d->time_correct, 1 );
swap4( &d->rate_correct, &d->rate_correct, 1 );
}
if( d->datatype != '2' ) {
complain( 1, "Datatype %s not understood--skipping\n", d->datatype );
fseek( fp, header.data_length_bytes, SEEK_CUR );
} else {
if( *bufsiz < header.data_length_bytes ) {
reallot( long *, *data, d->length );
*bufsiz = d->length * sizeof( long );
}
fread( *data, sizeof( long ), d->length, fp );
if( swap ) {
swap4( *data, *data, d->length );
}
}
static
Int32 split_group(UInt32 *a, int n, int depth,int offset,Int32 pivot,int *first)
{
int r, partval;
UInt32 *pa, *pb, *pc, *pd, *pa_old, *pd_old;
Int32 pivot_pos, t;
UChar *text_depth,*text_limit;
/* --------- initialization ------------------------------------ */
pivot_pos = a[pivot]; /* starting position in T[] of pivot */
text_depth = Text+depth;
text_limit = text_depth+offset;
/* ------------------------------------------------------------- */
/* In the following for() loop: */
/* [pa ... pd] is the current working region, */
/* pb moves from pa towards pd */
/* pc moves from pd towards pa */
/* ------------------------------------------------------------- */
pa = a; pd = a + n-1;
for( ; pa!=pd && (text_depth<text_limit); text_depth++) {
assert(pa<pd);
/* ------ the pivot char is Text[pivot_pos+depth] where */
/* depth = text_depth-Text. This is text_depth[pivot_pos] */
partval = text_depth[pivot_pos];
/* ----- partition ------------ */
pb = pa_old = pa;
pc = pd_old = pd;
for (;;) {
while (pb <= pc && (r = ptr2char(pb)-partval) <= 0) {
if (r == 0) { swap2(pa, pb); pa++; }
pb++;
}
while (pb <= pc && (r = ptr2char(pc)-partval) >= 0) {
if (r == 0) { swap2(pc, pd); pd--; }
pc--;
}
if (pb > pc) break;
swap2(pb, pc);
pb++;
pc--;
}
r = min((Int32*)pa-(Int32*)pa_old, (Int32*)pb-(Int32*)pa); vecswap2(pa_old, pb-r, r);
r = min((Int32*)pd-(Int32*)pc, (Int32*)pd_old-(Int32*)pd); vecswap2(pb, pd_old+1-r, r);
/* ------ compute new boundaries ----- */
pa = pa_old + (pb-pa); /* there are pb-pa chars < partval */
pd = pd_old - (pd-pc); /* there are pd-pc chars > partval */
}
*first=pa-a; /* index in a[] of the first suf. equal to pivot */
assert(pd-pa>=0);
return pd-pa+1; /* return number of suffixes equal to pivot */
}
int deleteit( int L, int mm )
{
int nnl,k;
double temp,t1;
nnl = L - nc;
if ( L != mr)
{ /* re-arrange data when specie added or removed */
dsw(wt,mr,L);
dsw(w,mr,L);
dsw(ff,mr,L);
dsw(initial_chem_pot,mr,L);
if ( si[mr] == SINGLE )
dsw(fe,mr,L);
swap2((int *)si,mr,L);
dsw(fel,mr,L);
swap2((int *)ic,nr,nnl);
dsw(da,mr,L); /* this seems unnecessary */
swap2(ind,mr,L);
rotate(index2, mr, L);
for ( k = 1; k <= nc; k++)
{
t1 = sc[k][nr];
sc[k][nr] = sc[k][nnl];
sc[k][nnl] = t1;
}
for ( k = 1; k <= no_phases; k++)
{
temp = d_mole[k][nr];
d_mole[k][nr] = d_mole[k][nnl];
d_mole[k][nnl] = temp;
}
for ( k = 1; k <= ne; k++)
{
temp =bm[mr][k];
bm[mr][k] = bm[L][k];
bm[L][k] = temp;
}
}
if (mm != 0)
return (TRUE);
/* ------- extra procedures when removing a species --------------- */
dsw(dg,nr,nnl);
dsw(ds,mr,L);
/* -------- special procedures for removing a phase --------------- */
tmole[si[mr]] -= w[mr];
nr--; /* one less reaction */
mr--; /* one less reaction */
if ( nr == 0 )
return ( FALSE );
else
return ( TRUE );
}
int main(){
int a,b,c,d,e;
a = 1; b = 2; c = 3; d=4; e=5;
printf("%d %d %d %d %d\n",a,b,c,d,e);
/*bdeac*/
swap2(&a,&b);
swap2(&b,&d);
swap2(&c,&e);
/*hasta aquí*/
printf("%d %d %d %d %d\n",a,b,c,d,e);
return 0;
}
static int median3(int *data, int left, int right) {
int center = (left + right) / 2;
if (data[left] > data[center]) {
swap2(data, left, center);
}
if (data[left] > data[right]) {
swap2(data, left, right);
}
if (data[center] > data[right]) {
swap2(data, center, right);
}
// 三次比较后，data[left]<=data[center]<=data[right]
swap2(data, center, right - 1);
return data[right - 1];
}
// 删除树根，最大值移到最后
static void deleteMax(int *data, int size) {
// size--;
// swap(&data[0], &data[size]);
// percolateDown(data, 0, size);
swap2(data, 0, size - 1); // 堆树根与最后一个data[size-1];交换
percolateDown(data, 0, --size);
}
int main() {
void swap1(int *p1, int *p2);
void swap2(int *p1, int *p2);
int a , b, c, d;
int *pointer_1, *pointer_2, *pointer_3, *pointer_4;
printf("Please enter a and b: ");
scanf("%d,%d", &a, &b);
printf("Please enter c and d: ");
scanf("%d,%d", &c, &d);
pointer_1 = &a;
pointer_2 = &b;
if (a<b) {
swap1(pointer_1, pointer_2);
}
pointer_3 = &c;
pointer_4 = &d;
if (c<d) {
swap2(pointer_3, pointer_4);
}
printf("max=%d, min=%d\n", a, b);
printf("max=%d, min=%d\n", c, d);
return 0;
}
void cocktail() {
uint i,
j,
swapped;
for(i = 0; i < n / 2; i++) {
swapped = 0;
for(j = i; j < n - 1 - i; j++) {
if( arr[ j ] > arr[j + 1] ) {
swap(j, j + 1);
swapped = 1;
}
}
for(j = n - 2 - i; j > i; j--) {
if( arr[ j ] < arr[j - 1] ) {
swap2(arr + j, arr + j - 1);
swapped = 1;
}
}
if( !swapped ) break;
}
};
int main()
{
int i,j,k;
int a[10]= { 4,5,8,1,2,9,10,3,6,7};
for(i=0;i<10;i++)
{
for(k=0;k<9;k++)
{
if(a[k]>a[k+1])
{
//swap1(a[k],a[k+1]);
swap2(&a[k],&a[k+1]);
}
}
}
for(j=0;j<10;j++)
{
printf("%d", a[j]);
}
printf("\n");
return 0;
}
void sortColors3(int a[], int n) {
int zero = 0;
int two = n - 1;
for (int i = 0; i <= two; i++) {
if (a[i] == 0) {
swap2(&a[zero], &a[i]);
zero++;
}
if (a[i] == 2) {
swap2(&a[two], &a[i]);
two--;
i--;
}
}
}
main(){
int x=1, y=2;
printf("x=%d, y=%d\n", x, y);
swap1(x,y);
printf("After swap1(x,y): x=%d, y=%d\n", x, y);
swap2(&x,&y);
printf("After swap2(&x,&y): x=%d, y=%d\n", x, y);
}
void ObjLoader::flipWinding(int4* faceInOut, int numTri)
{
for(int i=0; i<numTri; i++)
{
int4& f = faceInOut[i];
swap2( f.s[1], f.s[2] );
}
}
void ObjLoader::swapYZ(float4* vtxInOut, int numVtx)
{
for(int i=0; i<numVtx; i++)
{
float4& v = vtxInOut[i];
swap2( (float&)v.s[1], (float&)v.s[2] );
}
}
int main(){
int a = 20;
int b = 30;
printf("a = %d,b = %d\n",a,b);
swap2(&a,&b);
printf("a = %d,b = %d\n",a,b);
return 0;
}
int partition(int *arr, int begin, int end){
int pivot = arr[end - 1];
int i, j, k;
i = j = k = begin;
for( ; k < end - 1; ++k){
if(arr[k] < pivot){
swap2(arr, i, j);
++i;
}
++j;
}
swap2(arr, i, end - 1);
return i;
}
void ssort2(unsigned char **a, int n, int depth)
{ int d, r, partval;
unsigned char **pa, **pb, **pc, **pd, **pl, **pm, **pn, *t;
if (n < 10) {
inssort(a, n, depth);
return;
}
pl = a;
pm = a + (n/2);
pn = a + (n-1);
if (n > 30) {
d = (n/8);
pl = med3(pl, pl+d, pl+2*d);
pm = med3(pm-d, pm, pm+d);
pn = med3(pn-2*d, pn-d, pn);
}
pm = med3(pl, pm, pn);
swap2(a, pm);
partval = ptr2char(a);
pa = pb = a + 1;
pc = pd = a + n-1;
for (;;) {
while (pb <= pc && (r = ptr2char(pb)-partval) <= 0) {
if (r == 0) { swap2(pa, pb); pa++; }
pb++;
}
while (pb <= pc && (r = ptr2char(pc)-partval) >= 0) {
if (r == 0) { swap2(pc, pd); pd--; }
pc--;
}
if (pb > pc) break;
swap2(pb, pc);
pb++;
pc--;
}
pn = a + n;
r = min(pa-a, pb-pa); vecswap2(a, pb-r, r);
r = min(pd-pc, pn-pd-1); vecswap2(pb, pn-r, r);
if ((r = pb-pa) > 1)
ssort2(a, r, depth);
if (ptr2char(a + r) != 0)
ssort2(a + r, pa-a + pn-pd-1, depth+1);
if ((r = pd-pc) > 1)
ssort2(a + n-r, r, depth);
}
int main()
{
unsigned long long x;
int i, j;
x = 0x00080004; i = 19, j = 0;
printf("swap(%016llx, %d, %d) => %016llx\n", x, i, j, swap1(x, i, j));
x = 0x00080004; i = 19, j = 0;
printf("swap(%016llx, %d, %d) => %016llx\n", x, i, j, swap2(x, i, j));
}
int main(int argc,char * crgv[])
{
int a=1,b=1;
printf("a=%d,b=%d\n",a,b);
swap1(&a,&b);
printf("a=%d,b=%d\n",a,b);
swap2(&a,&b);
printf("a=%d,b=%d\n",a,b);
}
// 此方法来自DSAAC
static int partition3(int *data, int left, int right) {
// 最后一个不需要移动
// 因为pivotMedian返回时，最右边的数大于pivot
// pivot位于 right-1的位置，因此j初始化为right-1
int pivot = median3(data, left, right);
int i = left;
int j = right - 1;
while (i < j) {
while (data[++i] < pivot)
;
while (data[--j] > pivot)
;
if (i < j) {
swap2(data, i, j);
}
}
swap2(data, i, right - 1);
return i;
}
int main(int argc, char** argv) {
double array[] = { 4, 6, 2};
printf("Swapping values...\n");
swap( array[0], array[2] );
printf("Let's try new swapping ...\n");
swap2( array+0, array+2 );
}
void random(int data[], int size) {
srand((unsigned) time(NULL ));
for (int i = 0; i < size; i++) {
data[i] = i;
}
for (int i = size - 1; i > 0; i--) {
int j = rand() % (i + 1);
swap2(data, i, j);
}
}
int main()
{
int a=3,b=5;
swap1(a,b);
swap2(&a,&b);
// swap3(a, b);
printf("a:%d,b:%d\n", a, b);
return 0;
}
int main() {
int a = 12, b = 13;
printf("Initial values:\n");
printf("a = %d b = %d\n\n", a, b);
swap1(a, b);
printf("After swap1:\n");
printf("a = %d b = %d\n\n", a, b);
swap2(&a, &b);
printf("After swap2:\n");
printf("a = %d b = %d\n", a, b);
}
void inssort(unsigned char **a, int n, int d)
{ unsigned char **pi, **pj, *s, *t;
for (pi = a + 1; --n > 0; pi++)
for (pj = pi; pj > a; pj--) {
for (s=*(pj-1)+d, t=*pj+d; *s==*t && *s!=0; s++, t++)
;
if (*s <= *t)
break;
swap2(pj, pj-1);
}
}
static void insertsort(string *a, int n, int d)
{ string *pi, *pj, s, t;
for (pi = a + 1; --n > 0; pi++)
for (pj = pi; pj > a; pj--) {
/* Inline strcmp: break if *(pj-1) <= *pj */
for (s=*(pj-1)+d, t=*pj+d; *s==*t && *s!=0; s++, t++)
;
if (*s <= *t)
break;
swap2(pj, pj-1);
}
}
int main() {
int a[2] = {1, 2};
swap(a, a+1);
//@ assert a[0] == 2;
//@ assert a[1] == 1;
swap2(a, a+1);
//@ assert a[0] == 1;
//@ assert a[1] == 2;
return 0;
}
//***************************************************************************
//***************************************************************************
int
ReadHTKFeature(
FILE * pInFp,
FLOAT * pIn,
size_t feaLen,
bool swap,
bool decompress,
FLOAT * pScale,
FLOAT * pBias)
{
size_t i;
if (decompress)
{
INT_16 s;
// FLOAT pScale = (xmax - xmin) / (2*32767);
// FLOAT pBias = (xmax + xmin) / 2;
for (i = 0; i < feaLen; i++)
{
if (fread(&s, sizeof(INT_16), 1, pInFp) != 1)
return -1;
if (swap) swap2(s);
pIn[i] = (s + pBias[i]) / pScale[i];
}
return 0;
}
#if !DOUBLEPRECISION
if (fread(pIn, sizeof(FLOAT_32), feaLen, pInFp) != feaLen)
return -1;
if (swap)
for (i = 0; i < feaLen; i++)
swap4(pIn[i]);
#else
FLOAT_32 f;
for (i = 0; i < feaLen; i++)
{
if (fread(&f, sizeof(FLOAT_32), 1, pInFp) != 1)
return -1;
if (swap)
swap4(f);
pIn[i] = f;
}
#endif
return 0;
} // int ReadHTKFeature
int main(){
double a = 5.5;
double b = 10.5;
print(a,b);
swap1(a,b);
print(a,b);
swap2(a,b); // Comment this line out
print(a,b); // Comment this line out
swap3(&a,&b);
print(a,b);
return 0;
}