Git commit 0a2e1768f9e41caba2da50651920ed6299bdccdd by Stefan Gerlach.
Committed on 30/04/2016 at 22:06.
Pushed by sgerlach into branch 'analysis_interpolation'.

code cleanup

M  +3    -2    src/backend/worksheet/plots/cartesian/XYInterpolationCurve.c=
pp

http://commits.kde.org/labplot/0a2e1768f9e41caba2da50651920ed6299bdccdd

diff --git a/src/backend/worksheet/plots/cartesian/XYInterpolationCurve.cpp=
 b/src/backend/worksheet/plots/cartesian/XYInterpolationCurve.cpp
index 3567552..d32316f 100644
--- a/src/backend/worksheet/plots/cartesian/XYInterpolationCurve.cpp
+++ b/src/backend/worksheet/plots/cartesian/XYInterpolationCurve.cpp
@@ -41,7 +41,7 @@
 #include "backend/lib/commandtemplates.h"
 =

 #include <cmath>	// isnan
-#include <values.h>	// DBL_MIN
+#include <cfloat>	// DBL_MIN
 #include <gsl_errno.h>
 #include <gsl/gsl_interp.h>
 #include <gsl/gsl_spline.h>
@@ -477,7 +477,8 @@ void XYInterpolationCurvePrivate::recalculate() {
 			break;
 		case XYInterpolationCurve::PCH: {
 			t =3D (x-xdata[a])/(xdata[b]-xdata[a]);
-			double h1=3D2.*t*t*t-3.*t*t+1, h2=3D-2.*t*t*t+3.*t*t, h3=3Dt*t*t-2*t*t+=
t, h4=3Dt*t*t-t*t;
+			double t2=3Dt*t, t3=3Dt2*t;
+			double h1=3D2.*t3-3.*t2+1, h2=3D-2.*t3+3.*t2, h3=3Dt3-2*t2+t, h4=3Dt3-t=
2;
 			double m1=3D0.,m2=3D0.;
 			switch(variant) {
 			case XYInterpolationCurve::FiniteDifference: