make the API of the Spline class more similar to the Tabulated*Function classes

2016-01-04 15:31:16 +01:00
parent b5bc9b1324
commit a9a648a667
3 changed files with 71 additions and 74 deletions
--- a/tests/test_spline.cpp
+++ b/tests/test_spline.cpp
@@ -82,7 +82,9 @@ void testCommon(const Spline &sp,
    // make sure the derivatives are consistent with the curve
    size_t np = 3*n;
    for (size_t i = 0; i < np; ++i) {
-        double xval = sp.xMin() + (sp.xMax() - sp.xMin())*i/np;
+        double xMin = sp.xAt(0);
+        double xMax = sp.xAt(sp.numSamples() - 1);
+        double xval = xMin + (xMax - xMin)*i/np;

        // first derivative
        double y1 = sp.eval(xval+epsFD);