xALS working

include/xerus.h

@@ -54,6 +54,7 @@
 	#include "xerus/performanceData.h"
 	#include "xerus/measurments.h"
     #include "xerus/algorithms/als.h"
+    #include "xerus/algorithms/xals.h"
     #include "xerus/algorithms/steepestDescent.h"
     #include "xerus/algorithms/cg.h"
     #include "xerus/algorithms/decompositionAls.h"

include/xerus/basic.h

@@ -24,6 +24,7 @@
 
 #pragma once
 
+#include <stddef.h>
 #include "misc/allocator.h"
 #include "misc/standard.h"
 #include "misc/namedLogger.h"

include/xerus/misc/standard.h

@@ -24,6 +24,7 @@
 
 #pragma once
 
+#include <stddef.h>
 #include <cstdint>
 #include <cstddef>
 

src/unitTests/als.cxx

@@ -119,7 +119,6 @@ static misc::UnitTest als_tut("ALS", "tutorial", [](){
 	
 	xerus::ALS_SPD(A, X, B);
 	
-// 	LOG(asd, frob_norm(X-B));
 	
 	TEST(frob_norm(X-B) < 1e-12);
 	
@@ -142,10 +141,20 @@ static misc::UnitTest als_tut("ALS", "tutorial", [](){
 // 	ALSb.useResidualForEndCriterion = true;
 // 	std::vector<value_t> perfdata;
 	
-	ALS_SPD(A, X, C, 1e-12, pd);
+	
+	LOG(woopR, frob_norm(A(i/2, j/2)*X(j&0) - C(i&0))/frob_norm(C));
+	xerus::xals(X, A, C);
 	TEST(frob_norm(A(i/2, j/2)*X(j&0) - C(i&0)) < 1e-4);
+	LOG(woop, frob_norm(A(i/2, j/2)*X(j&0) - C(i&0))/frob_norm(C));
+	
+	X = xerus::TTTensor::random(stateDims, 2);
 	
 	
+	LOG(woopR, frob_norm(A(i/2, j/2)*X(j&0) - C(i&0))/frob_norm(C));
+	xerus::ALS_SPD(A, X, C, 1e-12, pd);
+	TEST(frob_norm(A(i/2, j/2)*X(j&0) - C(i&0)) < 1e-4);
+	LOG(woop, frob_norm(A(i/2, j/2)*X(j&0) - C(i&0))/frob_norm(C));
+	
 // 	perfdata.clear();
 // 	ALSb(A, X, B, 1e-4, &perfdata);
 // 	TEST(!misc::approx_equal(frob_norm(A(i^d, j^d)*X(j&0) - B(i&0)), 0., 1.));