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regress: use chars instead of ints for flags

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This reduces the size of the flags array on stack.
This commit is contained in:
Miroslav Lichvar
2017-06-22 18:32:25 +02:00
parent 85c84073c1
commit 13111c1dd8
1 changed files with 5 additions and 5 deletions
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10
regress.c
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@@ -340,7 +340,7 @@ RGR_FindBestRegression
0-521-43108-5). */ 0-521-43108-5). */
static double static double
find_ordered_entry_with_flags(double *x, int n, int index, int *flags) find_ordered_entry_with_flags(double *x, int n, int index, char *flags)
{ {
int u, v, l, r; int u, v, l, r;
double temp; double temp;
@@ -403,9 +403,9 @@ find_ordered_entry_with_flags(double *x, int n, int index, int *flags)
static double static double
find_ordered_entry(double *x, int n, int index) find_ordered_entry(double *x, int n, int index)
{ {
int flags[MAX_POINTS]; char flags[MAX_POINTS];
memset(flags, 0, n * sizeof(int)); memset(flags, 0, n * sizeof (flags[0]));
return find_ordered_entry_with_flags(x, n, index, flags); return find_ordered_entry_with_flags(x, n, index, flags);
} }
#endif #endif
@@ -417,9 +417,9 @@ static double
find_median(double *x, int n) find_median(double *x, int n)
{ {
int k; int k;
int flags[MAX_POINTS]; char flags[MAX_POINTS];
memset(flags, 0, n*sizeof(int)); memset(flags, 0, n * sizeof (flags[0]));
k = n>>1; k = n>>1;
if (n&1) { if (n&1) {
return find_ordered_entry_with_flags(x, n, k, flags); return find_ordered_entry_with_flags(x, n, k, flags);