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Imported Upstream version 1.4.15

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Jan Wagner 2013-11-26 23:57:29 +01:00
parent 882cdeecca
commit 047baae1ca
386 changed files with 60019 additions and 38317 deletions
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34
gl/floor.c
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@ -1,5 +1,5 @@
/* Round towards negative infinity.
Copyright (C) 2007 Free Software Foundation, Inc.
Copyright (C) 2007, 2009, 2010 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
@ -67,27 +67,27 @@ FUNC (DOUBLE x)
{
/* Avoid rounding errors for values near 2^k, where k >= MANT_DIG-1. */
if (z < TWO_MANT_DIG)
{
/* Round to the next integer (nearest or up or down, doesn't matter). */
z += TWO_MANT_DIG;
z -= TWO_MANT_DIG;
/* Enforce rounding down. */
if (z > y)
z -= L_(1.0);
}
{
/* Round to the next integer (nearest or up or down, doesn't matter). */
z += TWO_MANT_DIG;
z -= TWO_MANT_DIG;
/* Enforce rounding down. */
if (z > y)
z -= L_(1.0);
}
}
else if (z < L_(0.0))
{
/* Avoid rounding errors for values near -2^k, where k >= MANT_DIG-1. */
if (z > - TWO_MANT_DIG)
{
/* Round to the next integer (nearest or up or down, doesn't matter). */
z -= TWO_MANT_DIG;
z += TWO_MANT_DIG;
/* Enforce rounding down. */
if (z > y)
z -= L_(1.0);
}
{
/* Round to the next integer (nearest or up or down, doesn't matter). */
z -= TWO_MANT_DIG;
z += TWO_MANT_DIG;
/* Enforce rounding down. */
if (z > y)
z -= L_(1.0);
}
}
return z;
}