xpsdes.c

Numerical Recipes in C的源代码

/* Driver for routine psdes */

#include <stdio.h>
#define NRANSI
#include "nr.h"

int main(void)
{
	static unsigned long lword[5]={0,1,1,99,99};
	static unsigned long irword[5]={0,1,99,1,99};
	static char *ans[5]={
		"",
		"0x604d1dce 0x509c0c23",
		"0xd97f8571 0xa66cb41a",
		"0x7822309d 0x64300984",
		"0xd7f376f0 0x59ba89eb"};
	int i;

	for (i=1;i<=4;i++) {
		psdes(&lword[i],&irword[i]);
		printf("PSDES now calculates:       0x%x 0x%x\n",lword[i],irword[i]);
		printf("Known correct answers are:  %s\n",ans[i]);
	}
	return 0;
}
#undef NRANSI