Aminet 10/aminetcdnumber101996.iso/Aminet/dev/c/vbcc.lha/vbcc/machines/amiga68k/libsrc/math/isinf.c

Text File | 1995-09-11 | 128 b | 6 lines

int isinf(double a)
{
  unsigned long *b=(unsigned long *)&a;
  return (b[0]&0x7ff00000)==0x7ff00000&&!(b[0]&0xfffff)&&!b[1];
}