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Optimization for float-version of ciecam, Issue 1761

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2013-03-14 14:00:04 +01:00
parent 5afb5bc182
commit 8abba2a6e1
2 changed files with 10 additions and 9 deletions
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6
rtengine/colortemp.h
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@@ -21,10 +21,10 @@
#include <gtkmm.h>
#include <cmath>
#include "colortemp.h"
#include "sleef.c"
#include "LUT.h"
#define MAXR(a,b) ((a) > (b) ? (a) : (b))
#define pow_F(a,b) (exp(b*log(a)))
#define pow_F(a,b) (xexpf(b*xlogf(a)))
namespace rtengine {
@@ -68,7 +68,7 @@ class ColorTemp {
return f * (1.0 - ((1.0 / 3.6) * exp((-la - 42.0) / 92.0)));
}
static float d_factorfloat( float f, float la ) {
return f * (1.0f - ((1.0f / 3.6f) * exp((-la - 42.0f) / 92.0f)));
return f * (1.0f - ((1.0f / 3.6f) * xexpf((-la - 42.0f) / 92.0f)));
}
static double calculate_fl_from_la_ciecam02( double la ) {