/* tptrgtt.c CCMATH mathematics library source code. * * Copyright (C) 2000 Daniel A. Atkinson All rights reserved. * This code may be redistributed under the terms of the GNU library * public license (LGPL). ( See the lgpl.license file for details.) * ------------------------------------------------------------------------ */ /* Test: trgsas trgasa trgsss trgarea input file: tptrg.dat */ #include "ccmath.h" double rad=1.7453292519943296e-2; void main(int na,char **av) { double a,b,c,aa,bb,cc,ar,ang[3]; int n; FILE *fp; if(na!=2){ printf("para: in_file\n"); exit(-1);} fp=fopen(*++av,"r"); n=1; while(fscanf(fp,"%lf %lf %lf",&a,&b,&c)!=EOF){ printf(" n=%d\n",n); printf(" sas_in: %f %f %f\n",a,b,c); b*=rad; trgsas(a,b,c,ang); aa=ang[0]/rad; b=bb=ang[1]; cc=ang[2]/rad; printf(" asa_out: %f %f %f\n",aa,bb,cc); aa*=rad; cc*=rad; trgasa(aa,bb,cc,ang); aa=ang[0]; bb=ang[1]/rad; cc=ang[2]; printf(" sas_out: %f %f %f\n",aa,bb,cc); ar=trgarea(aa,b,cc); printf(" area= %f\n",ar); trgsss(aa,b,cc,ang); aa=ang[0]/rad; bb=ang[1]/rad; cc=ang[2]/rad; printf(" ang_out: %f %f %f\n",aa,bb,cc); ++n; } } /* Test output n=1 sas_in: 2.000000 38.000000 4.000000 asa_out: 26.929477 2.718792 115.070523 sas_out: 2.000000 38.000000 4.000000 area= 2.462646 ang_out: 26.929477 38.000000 115.070523 n=2 sas_in: 1.000000 150.000000 1.800000 asa_out: 10.622152 2.712506 19.377848 sas_out: 1.000000 150.000000 1.800000 area= 0.450000 ang_out: 10.622152 150.000000 19.377848 */