153 lines
2.9 KiB
C
153 lines
2.9 KiB
C
/*
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* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
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* See the copyright notice in the ACK home directory, in the file "Copyright".
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*
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*/
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/* Author: E.G. Keizer */
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char rcs_id[] = "$Header$" ;
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main() {
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t1() ;
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t2() ;
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return 0 ;
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}
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t1() {
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char c ; int i ; long l ; unsigned u ;
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#ifndef NOFLOAT
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float f ;
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#endif
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/* test conversions */
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/* first some conversions on constants */
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printf("(int) '\\377' = %d\n",(int) '\377') ;
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printf("(long) -1 = %ld\n",(long) -1 ) ;
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#ifndef NOFLOAT
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printf("(float) 12 = %f\n",(float) 12 ) ;
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printf("(int) 3.14 = %d\n",(int) 3.14 ) ;
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#endif
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printf("(int) 32767L = %d\n",(int) 32767L ) ;
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printf("(int) -32768L = %d\n",(int) -32768L ) ;
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printf("(char) 128L = %d\n",(char) 128L) ;
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printf("(char) 0377 = %d\n",(char) 0377 ) ;
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printf("(char) -1 = %d\n",(char) -1 ) ;
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printf("(char) 10000 = %d\n",(char) 10000 ) ;
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/* conversions from characters */
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printf("From character\n") ;
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c = 127 ;
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i=c ;
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l=c ;
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u=c ;
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#ifndef NOFLOAT
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f=c ;
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#endif
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printf("\tchar %5d, int %6d, unsigned %6o, long %11ld\n",c,i,u,l) ;
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#ifndef NOFLOAT
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printf("\t\t\t\t\tfloat %f\n",f) ;
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#endif
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c = -1 ;
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i=c ;
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l=c ;
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u=c ;
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#ifndef NOFLOAT
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f=c ;
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#endif
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printf("\tchar %5d, int %6d, unsigned %6o, long %11ld\n",c,i,u,l) ;
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#ifndef NOFLOAT
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printf("\t\t\t\t\tfloat %f\n",f) ;
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#endif
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c = 0377 ;
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i=c ;
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l=c ;
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u=c ;
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#ifndef NOFLOAT
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f=c ;
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#endif
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printf("\tchar %5d, int %6d, unsigned %6o, long %11ld\n",c,i,u,l) ;
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#ifndef NOFLOAT
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printf("\t\t\t\t\tfloat %f\n",f) ;
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#endif
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/* from integer */
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printf("From integer\n") ;
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i= -64 ;
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c=i ;
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l=i ;
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u=i ;
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#ifndef NOFLOAT
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f=i ;
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#endif
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printf("\tchar %5d, int %6d, unsigned %6o, long %11ld\n",c,i,u,l) ;
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#ifndef NOFLOAT
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printf("\t\t\t\t\tfloat %f\n",f) ;
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#endif
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/* from long */
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printf("From long\n") ;
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l = -3 ;
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c = l ;
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i = l ;
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u = l ;
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#ifndef NOFLOAT
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f = l ;
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#endif
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printf("\tchar %5d, int %6d, unsigned %6o, long %11ld\n",c,i,u,l) ;
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#ifndef NOFLOAT
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printf("\t\t\t\t\tfloat %f\n",f) ;
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#endif
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printf("Casts from long\n");
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l = 75000;
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printf("\tchar %5d, int %d, unsigned short %6o, long %11ld\n",
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(char) l,(int) l,(unsigned short)l ,l) ;
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#ifndef NOFLOAT
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printf("From float\n") ;
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f = 121.5 ;
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c = f ;
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i = f ;
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u = f ;
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l = f ;
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printf("\tchar %5d, int %6d, unsigned %6o, long %11ld, float %f\n",c,i,u,l,f) ;
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f = 1e-4 ;
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c = f ;
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i = f ;
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u = f ;
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l = f ;
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printf("\tchar %5d, int %6d, unsigned %6o, long %11ld, float %f\n",c,i,u,l,f) ;
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f = 3276.6e1 ;
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i = f ;
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u = f ;
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l = f ;
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printf("\tint %6d, unsigned %6o, long %11ld, float %f\n",i,u,l,f) ;
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f = 1223432e3 ;
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l = f ;
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printf("\tlong %11ld, float %f\n",l,f) ;
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#endif
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/* some special cases */
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{
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int a[4] ;
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l = 3 ; a[3]= -17 ;
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printf("a[l] (l==%ld) %d\n",l,a[l]) ;
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printf("a[3l] %d\n",a[3l] ) ;
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}
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return 0 ;
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}
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t2()
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{
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long l1 = 0x1f010L;
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long l2;
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l2 = (unsigned short) l1;
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printf("(unsigned short) 0x1f010L = 0x%lx\n", l2);
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l2 = (short) l1;
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printf("(short) 0x1f010L = 0x%lx\n", l2);
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}
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