Reduce PPCG public header includes

Author: Silver-Moon-Over-Snow

source/source_hsolver/diago_ppcg.h

@@ -3,15 +3,10 @@
 
 #include "source_base/module_device/types.h"
 
-#include <vector>
-#include <functional>
-#include <cmath>
-#include <algorithm>
-#include <limits>
-#include <stdexcept>
-#include <numeric>
 #include <complex>
+#include <functional>
 #include <type_traits>
+#include <vector>
 
 namespace hsolver {
 

source/source_hsolver/ppcg/diago_ppcg_cg.hpp

@@ -1,3 +1,9 @@
+#include <algorithm>
+#include <cmath>
+#include <limits>
+#include <stdexcept>
+#include <vector>
+
 namespace hsolver {
 
 //==============================================================================

source/source_hsolver/ppcg/diago_ppcg_diag.hpp

@@ -1,5 +1,8 @@
+#include <algorithm>
 #include <cstdlib>
 #include <fstream>
+#include <numeric>
+#include <vector>
 
 namespace hsolver {
 

source/source_hsolver/ppcg/diago_ppcg_ops.hpp

@@ -1,4 +1,10 @@
 #include "source_base/kernels/math_kernel_op.h"
+
+#include <algorithm>
+#include <cmath>
+#include <stdexcept>
+#include <vector>
+
 namespace hsolver {
 namespace {
 

source/source_hsolver/ppcg/diago_ppcg_orth.hpp

@@ -1,3 +1,9 @@
+#include <algorithm>
+#include <cmath>
+#include <limits>
+#include <stdexcept>
+#include <vector>
+
 namespace hsolver {
 
 // ---------------------------------------------------------------------------

source/source_hsolver/ppcg/diago_ppcg_reduce.hpp

@@ -1,5 +1,9 @@
 #include "source_base/parallel_reduce.h"
 
+#include <algorithm>
+#include <cmath>
+#include <vector>
+
 namespace hsolver {
 namespace {
 

source/source_hsolver/ppcg/diago_ppcg_small_eigen.hpp

@@ -1,5 +1,10 @@
 #include <ATen/kernels/lapack.h>
 
+#include <algorithm>
+#include <cmath>
+#include <stdexcept>
+#include <vector>
+
 namespace hsolver {
 namespace {
 

source/source_hsolver/ppcg/diago_ppcg_subspace.hpp

@@ -1,3 +1,8 @@
+#include <algorithm>
+#include <cmath>
+#include <stdexcept>
+#include <vector>
+
 namespace hsolver {
 
 //==============================================================================