/* Test of rounding towards positive infinity.
- Copyright (C) 2010 Free Software Foundation, Inc.
+ Copyright (C) 2010-2011 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
{
float (*my_ceilf) (float) = argc ? ceilf : dummy;
+ /* See IEEE 754, section 6.3:
+ "the sign of the result of the round floating-point number to
+ integral value operation is the sign of the operand. These rules
+ shall apply even when operands or results are zero or infinite." */
+
/* Zero. */
ASSERT (!signbit (my_ceilf (0.0f)));
ASSERT (!!signbit (my_ceilf (minus_zerof)) == !!signbit (minus_zerof));
+ /* Positive numbers. */
+ ASSERT (!signbit (my_ceilf (0.3f)));
+ ASSERT (!signbit (my_ceilf (0.7f)));
+ /* Negative numbers. */
+ ASSERT (!!signbit (my_ceilf (-0.3f)) == !!signbit (minus_zerof));
+ ASSERT (!!signbit (my_ceilf (-0.7f)) == !!signbit (minus_zerof));
return 0;
}