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run formatter in quickselect

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This commit is contained in:
NunoSempere 2023-11-29 21:46:44 +00:00
parent 03ca3e3b0c
commit dc3f7eed4d
2 changed files with 62 additions and 51 deletions
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6
scratchpad/quickselect/makefile
View File

@ -3,3 +3,9 @@ build:
run: run:
./quickselect ./quickselect
## Formatter
STYLE_BLUEPRINT=webkit
FORMATTER=clang-format -i -style=$(STYLE_BLUEPRINT)
format:
$(FORMATTER) quickselect.c

15
scratchpad/quickselect/quickselect.c
View File

@ -2,13 +2,15 @@
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
void swp(int i, int j, double xs[]){ void swp(int i, int j, double xs[])
{
double tmp = xs[i]; double tmp = xs[i];
xs[i] = xs[j]; xs[i] = xs[j];
xs[j] = tmp; xs[j] = tmp;
} }
void array_print(double xs[], int n){ void array_print(double xs[], int n)
{
printf("["); printf("[");
for (int i = 0; i < n; i++) { for (int i = 0; i < n; i++) {
printf("%f, ", xs[i]); printf("%f, ", xs[i]);
@ -16,7 +18,8 @@ void array_print(double xs[], int n){
printf("]\n"); printf("]\n");
} }
int partition(int low, int high, double xs[], int length){ int partition(int low, int high, double xs[], int length)
{
// To understand this function: // To understand this function:
// - see the note after gt variable definition // - see the note after gt variable definition
// - go to commit 578bfa27 and the scratchpad/ folder in it, which has printfs sprinkled throughout // - go to commit 578bfa27 and the scratchpad/ folder in it, which has printfs sprinkled throughout
@ -34,7 +37,8 @@ int partition(int low, int high, double xs[], int length){
return gt; return gt;
} }
double quickselect(int k, double xs[], int length){ double quickselect(int k, double xs[], int length)
{
int low = 0; int low = 0;
int high = length - 1; int high = length - 1;
for (;;) { for (;;) {
@ -52,7 +56,8 @@ double quickselect(int k, double xs[], int length){
} }
} }
int main(){ int main()
{
double xs[] = { 2.1, 1.0, 6.0, 4.0, 7.0, -1.0, 2.0, 10.0 }; double xs[] = { 2.1, 1.0, 6.0, 4.0, 7.0, -1.0, 2.0, 10.0 };
int length = 8; int length = 8;
int k = 2; int k = 2;