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authorKenneth Heafield <github@kheafield.com>2012-10-22 12:07:20 +0100
committerKenneth Heafield <github@kheafield.com>2012-10-22 12:07:20 +0100
commit5f98fe5c4f2a2090eeb9d30c030305a70a8347d1 (patch)
tree9b6002f850e6dea1e3400c6b19bb31a9cdf3067f /gi/posterior-regularisation/prjava/src/optimization/util/Interpolation.java
parentcf9994131993b40be62e90e213b1e11e6b550143 (diff)
parent21825a09d97c2e0afd20512f306fb25fed55e529 (diff)
Merge remote branch 'upstream/master'
Conflicts: Jamroot bjam decoder/Jamfile decoder/cdec.cc dpmert/Jamfile jam-files/sanity.jam klm/lm/Jamfile klm/util/Jamfile mira/Jamfile
Diffstat (limited to 'gi/posterior-regularisation/prjava/src/optimization/util/Interpolation.java')
-rw-r--r--gi/posterior-regularisation/prjava/src/optimization/util/Interpolation.java37
1 files changed, 0 insertions, 37 deletions
diff --git a/gi/posterior-regularisation/prjava/src/optimization/util/Interpolation.java b/gi/posterior-regularisation/prjava/src/optimization/util/Interpolation.java
deleted file mode 100644
index cdbdefc6..00000000
--- a/gi/posterior-regularisation/prjava/src/optimization/util/Interpolation.java
+++ /dev/null
@@ -1,37 +0,0 @@
-package optimization.util;
-
-public class Interpolation {
-
- /**
- * Fits a cubic polinomyal to a function given two points,
- * such that either gradB is bigger than zero or funcB >= funcA
- *
- * NonLinear Programming appendix C
- * @param funcA
- * @param gradA
- * @param funcB
- * @param gradB
- */
- public final static double cubicInterpolation(double a,
- double funcA, double gradA, double b,double funcB, double gradB ){
- if(gradB < 0 && funcA > funcB){
- System.out.println("Cannot call cubic interpolation");
- return -1;
- }
-
- double z = 3*(funcA-funcB)/(b-a) + gradA + gradB;
- double w = Math.sqrt(z*z - gradA*gradB);
- double min = b -(gradB+w-z)*(b-a)/(gradB-gradA+2*w);
- return min;
- }
-
- public final static double quadraticInterpolation(double initFValue,
- double initGrad, double point,double pointFValue){
- double min = -1*initGrad*point*point/(2*(pointFValue-initGrad*point-initFValue));
- return min;
- }
-
- public static void main(String[] args) {
-
- }
-}