/* Driver for routine airy */ #include #include #include "nr.h" #include "nrutil.h" #define MAXSTR 80 main() { char txt[MAXSTR]; int i,nval; float ai,bi,aip,bip,x,xai,xbi,xaip,xbip; FILE *fp; if ((fp = fopen("fncval.dat","r")) == NULL) nrerror("Data file fncval.dat not found\n"); fgets(txt,MAXSTR,fp); while (strncmp(txt,"Airy Functions",14)) { fgets(txt,MAXSTR,fp); if (feof(fp)) nrerror("Data not found in fncval.dat\n"); } fscanf(fp,"%d %*s",&nval); printf("\n%s\n",txt); printf("%5s\n%14s %16s %17s %16s\n%14s %16s %17s %16s\n", "x","ai","bi","aip","bip","xai","xbi","xaip","xbip"); for (i=1;i<=nval;i++) { fscanf(fp,"%f %f %f %f %f",&x,&ai,&bi,&aip,&bip); airy(x,&xai,&xbi,&xaip,&xbip); printf("%5.2f\n\t%16.6e %16.6e %16.6e %16.6e\n",x,ai,bi,aip,bip); printf("\t%16.6e %16.6e %16.6e %16.6e\n",xai,xbi,xaip,xbip); } fclose(fp); return 0; }