sdcc/support/regression/tests/bug3474855.c

   1 /*
   2    bug3474855.c
   3 */
   4
   5 #include <testfwk.h>
   6
   7 #if !defined(__SDCC_pdk14) && !defined(__SDCC_pdk15) // Lack of memory
   8 float mult(float x)
   9 {
  10   return 0.8 * x;
  11 }
  12 #endif
  13
  14 void
  15 testBug (void)
  16 {
  17 #if !defined(__SDCC_pdk14) && !defined(__SDCC_pdk15) // Lack of memory
  18   unsigned char i = 64;
  19   float result = 1e-38;
  20
  21   do
  22     {
  23       ASSERT (result < 1.5e-38);
  24       result = mult(result);    //make denormalized float
  25     }
  26   while (--i);
  27   ASSERT (result < 1e-44);
  28 #endif
  29 }