gcc/testsuite/gcc.dg/c99-hexfloat-3.c

   1 /* Test syntax of hexadecimal floating point constants: at least one
   2    digit needed before or after point.  PR 41947.  */
   3 /* { dg-do compile } */
   4 /* { dg-options "-std=iso9899:1999 -pedantic-errors" } */
   5
   6 double d0 = 0x0.0p0;
   7 double d1 = 0x.0p0;
   8 double d2 = 0x0.p0;
   9 double d3 = 0x0.0p+0;
  10 double d4 = 0x.0p+0;
  11 double d5 = 0x0.p+0;
  12 double d6 = 0x0.0p-0;
  13 double d7 = 0x.0p-0;
  14 double d8 = 0x0.p-0;
  15
  16 double e0 = 0x.p0; /* { dg-error "no digits" } */
  17 double e1 = 0x0.; /* { dg-error "require an exponent" } */
  18 double e2 = 0x.0; /* { dg-error "require an exponent" } */
  19 double e3 = 0x0.0; /* { dg-error "require an exponent" } */
  20 double e4 = 0x0.0p; /* { dg-error "exponent has no digits" } */
  21 double e5 = 0x0.0pf; /* { dg-error "exponent has no digits" } */
  22 double e6 = 0x0.0p+; /* { dg-error "exponent has no digits" } */
  23 double e7 = 0x0.0p+f; /* { dg-error "exponent has no digits" } */
  24 double e8 = 0x0.0p-; /* { dg-error "exponent has no digits" } */
  25 double e9 = 0x0.0p-f; /* { dg-error "exponent has no digits" } */