?? testnormal.c
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#include <stdio.h>#include <stdlib.h>#include <math.h>#include "normal.h"main(){ double dmu=100, dsigma=10, dx; int mu=100, sigma=10, x; int table[200], dtable[200], i; FILE *fp; bzero(table, sizeof(table)); bzero(dtable, sizeof(dtable)); for (i=0; i < 20000; ++i) { int index = (myrandom() & (TABLESIZE-1)); x = sigma*normtable[index]; if (x >= 0) x += TABLEFACTOR/2; else x -= TABLEFACTOR/2; x /= TABLEFACTOR; x += mu; dx = dmu + (dsigma*(double)normtable[index])/(double)TABLEFACTOR; if (x < 0) x = 0; if (x > 199) x = 199; if (dx < 0) dx = 0; if (dx > 199) dx = 199; ++table[x]; ++dtable[(int)rint(dx)]; } fp = fopen("table", "w"); for (i=0; i < 200; ++i) { fprintf(fp, "%d %d\n", i, table[i]); } fclose(fp); fp = fopen("dtable", "w"); for (i=0; i < 200; ++i) { fprintf(fp, "%d %d\n", i, dtable[i]); } fclose(fp);}?? 快捷鍵說明
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