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* clutter/clutter-fixed.c: (clutter_sinx):

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Fix clutter_sinx for angles > CFX_2PI - CFX_ONE. Also add note to
        documentation about being able to use modulus with ClutterFixed
This commit is contained in:
Chris Lord 2008-06-25 13:21:25 +00:00
parent 49c5c97dd8
commit 631277be44
2 changed files with 9 additions and 7 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2008-06-25 Chris Lord <chris@openedhand.com>
* clutter/clutter-fixed.c: (clutter_sinx):
Fix clutter_sinx for angles > CFX_2PI - CFX_ONE. Also add note to
documentation about being able to use modulus with ClutterFixed
2008-06-25 Emmanuele Bassi <ebassi@openedhand.com> 2008-06-25 Emmanuele Bassi <ebassi@openedhand.com>
* clutter/clutter-backend.h: * clutter/clutter-backend.h:

10
clutter/clutter-fixed.c
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@ -50,8 +50,8 @@
* *
* <itemizedlist> * <itemizedlist>
* <listitem> * <listitem>
* <para>Two fixed point numbers can be directly added and * <para>Two fixed point numbers can be directly added,
* subtracted.</para> * subtracted and have their modulus taken.</para>
* </listitem> * </listitem>
* <listitem> * <listitem>
* <para>To add other numerical type to a fixed point number it has to * <para>To add other numerical type to a fixed point number it has to
@ -264,11 +264,7 @@ clutter_sinx (ClutterFixed angle)
} }
/* reduce to <0, 2*pi) */ /* reduce to <0, 2*pi) */
if (angle >= CFX_2PI) angle = angle % CFX_2PI;
{
ClutterFixed f = CLUTTER_FIXED_DIV (angle, CFX_2PI);
angle = angle - f;
}
/* reduce to first quadrant and sign */ /* reduce to first quadrant and sign */
if (angle > CFX_PI) if (angle > CFX_PI)