Fix ambiguous call to pow for clang, and disable LoadableBlasLib

Author: vfisikop

external/cmake-files/LPSolve.cmake

@@ -34,6 +34,7 @@ function(GetLPSolve)
   add_compile_options(-DLoadLanguageLib=0)
   add_compile_definitions(RoleIsExternalInvEngine)
   add_compile_definitions(INVERSE_ACTIVE=3)
+  add_compile_options(-DLoadableBlasLib=0)
 
   include_directories (BEFORE ${LP_SOLVE_DIR})
   include_directories (BEFORE ${LP_SOLVE_DIR}/bfp)

include/diagnostics/effective_sample_size.hpp

@@ -68,7 +68,7 @@ VT effective_sample_size(MT const& samples, unsigned int &min_ess) {
         variance = NT(0);
 
         for (int j = 0; j < N; j++) {
-            variance += pow(normalized_sample_row[j], 2);
+            variance += std::pow(normalized_sample_row[j], 2);
         }
 
         variance *= (1.0 / N);

include/diagnostics/print_diagnostics.hpp

@@ -42,7 +42,7 @@ void print_diagnostics(MT const& samples, unsigned int &min_ess, StreamType &str
         row_mean = samples.row(i).mean();
         row_std = NT(0);
         for (int j = 0; j < N; j++) {
-            row_std += pow(samples(i, j) - row_mean, 2);
+            row_std += std::pow(samples(i, j) - row_mean, 2);
         }
         row_std = sqrt(row_std / N);
         vt.addRow(i + 1, row_mean, row_std, ess(i), intv_psrf(i));