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author | Aleksandar Sasha Babic <aleksandar.babic@nokia.com> | 2009-12-11 14:35:40 (GMT) |
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committer | Aleksandar Sasha Babic <aleksandar.babic@nokia.com> | 2009-12-11 14:35:40 (GMT) |
commit | 5b7e896355f555cc24ee1d181f622aa2856db0fc (patch) | |
tree | c5c33b70f6753c0cc3711f5f043a644544ca2ba4 /src/3rdparty/easing | |
parent | 8f28b68bcd1e18529ebece8c94133443b925ebab (diff) | |
download | Qt-5b7e896355f555cc24ee1d181f622aa2856db0fc.zip Qt-5b7e896355f555cc24ee1d181f622aa2856db0fc.tar.gz Qt-5b7e896355f555cc24ee1d181f622aa2856db0fc.tar.bz2 |
qreal-ization
Using math wrapper functions instead direct call. This gives us top-level
control to what (single/double) precision we are effectively using.
Task-number: QTBUG-4894
Reviewed-by: janarve
Diffstat (limited to 'src/3rdparty/easing')
-rw-r--r-- | src/3rdparty/easing/easing.cpp | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/src/3rdparty/easing/easing.cpp b/src/3rdparty/easing/easing.cpp index 81af40f..7d70a4d 100644 --- a/src/3rdparty/easing/easing.cpp +++ b/src/3rdparty/easing/easing.cpp @@ -252,7 +252,7 @@ static qreal easeOutInQuint(qreal t) */ static qreal easeInSine(qreal t) { - return (t == 1.0) ? 1.0 : -::cos(t * M_PI_2) + 1.0; + return (t == 1.0) ? 1.0 : -::qCos(t * M_PI_2) + 1.0; } /** @@ -263,7 +263,7 @@ static qreal easeInSine(qreal t) */ static qreal easeOutSine(qreal t) { - return ::sin(t* M_PI_2); + return ::qSin(t* M_PI_2); } /** @@ -274,7 +274,7 @@ static qreal easeOutSine(qreal t) */ static qreal easeInOutSine(qreal t) { - return -0.5 * (::cos(M_PI*t) - 1); + return -0.5 * (::qCos(M_PI*t) - 1); } /** @@ -397,15 +397,15 @@ static qreal easeInElastic_helper(qreal t, qreal b, qreal c, qreal d, qreal a, q if (t_adj==1) return b+c; qreal s; - if(a < ::fabs(c)) { + if(a < ::qFabs(c)) { a = c; s = p / 4.0f; } else { - s = p / (2 * M_PI) * ::asin(c / a); + s = p / (2 * M_PI) * ::qAsin(c / a); } t_adj -= 1.0f; - return -(a*::qPow(2.0f,10*t_adj) * ::sin( (t_adj*d-s)*(2*M_PI)/p )) + b; + return -(a*::qPow(2.0f,10*t_adj) * ::qSin( (t_adj*d-s)*(2*M_PI)/p )) + b; } /** @@ -431,10 +431,10 @@ static qreal easeOutElastic_helper(qreal t, qreal /*b*/, qreal c, qreal /*d*/, q a = c; s = p / 4.0f; } else { - s = p / (2 * M_PI) * ::asin(c / a); + s = p / (2 * M_PI) * ::qAsin(c / a); } - return (a*::qPow(2.0f,-10*t) * ::sin( (t-s)*(2*M_PI)/p ) + c); + return (a*::qPow(2.0f,-10*t) * ::qSin( (t-s)*(2*M_PI)/p ) + c); } /** @@ -469,11 +469,11 @@ static qreal easeInOutElastic(qreal t, qreal a, qreal p) a = 1.0; s = p / 4.0f; } else { - s = p / (2 * M_PI) * ::asin(1.0 / a); + s = p / (2 * M_PI) * ::qAsin(1.0 / a); } - if (t < 1) return -.5*(a*::qPow(2.0f,10*(t-1)) * ::sin( (t-1-s)*(2*M_PI)/p )); - return a*::qPow(2.0f,-10*(t-1)) * ::sin( (t-1-s)*(2*M_PI)/p )*.5 + 1.0; + if (t < 1) return -.5*(a*::qPow(2.0f,10*(t-1)) * ::qSin( (t-1-s)*(2*M_PI)/p )); + return a*::qPow(2.0f,-10*(t-1)) * ::qSin( (t-1-s)*(2*M_PI)/p )*.5 + 1.0; } /** |