fix build issues

Signed-off-by: Steven Hahn <hahnse@ornl.gov>

Framework/API/inc/MantidAPI/MatrixWorkspace.h

@@ -514,20 +514,19 @@ public:
   // Check if this class has an oriented lattice on a sample object
   virtual bool hasOrientedLattice() const override;
 
-  virtual std::pair<size_t, size_t> find(double value)
-      :
+  virtual std::pair<int64_t, int64_t> find(double value) const;
 
-        //=====================================================================================
-        // End IMDWorkspace methods
-        //=====================================================================================
+  //=====================================================================================
+  // End IMDWorkspace methods
+  //=====================================================================================
 
-        //=====================================================================================
-        // Image methods
-        //=====================================================================================
+  //=====================================================================================
+  // Image methods
+  //=====================================================================================
 
-        /// Get start and end x indices for images
-        std::pair<size_t, size_t> getImageStartEndXIndices(
-            size_t i, double startX, double endX) const;
+  /// Get start and end x indices for images
+  std::pair<size_t, size_t> getImageStartEndXIndices(size_t i, double startX,
+                                                     double endX) const;
   /// Create an image of Ys.
   MantidImage_sptr getImageY(size_t start = 0, size_t stop = 0,
                              size_t width = 0, double startX = EMPTY_DBL(),

Framework/API/src/MatrixWorkspace.cpp

@@ -1931,14 +1931,13 @@ MantidImage_sptr MatrixWorkspace::getImage(
   return image;
 }
 
-std::pair<size_t, size_t> MatrixWorkspace::find(double value) {
-  std::pair<size_t, size_t> out(-1, -1);
-  const int64_t numHists =
-      static_cast<int64_t>(inputWorkspace->getNumberHistograms());
+std::pair<int64_t, int64_t> MatrixWorkspace::find(double value) const {
+  std::pair<int64_t, int64_t> out(-1, -1);
+  const int64_t numHists = static_cast<int64_t>(this->getNumberHistograms());
   for (int64_t i = 0; i < numHists; ++i) {
-    const auto &Y = inputEventWorkspace->y(i);
-    if (auto it = std::find(Y.begin(), Y.end(), 0.), it != Y.end()) {
-      out = {i, std::distance(Y.begin().it)};
+    const auto &Y = this->y(i);
+    if (auto it = std::find(Y.begin(), Y.end(), value); it != Y.end()) {
+      out = {i, std::distance(Y.begin(), it)};
       break;
     }
   }

Framework/Algorithms/src/SetUncertainties.cpp

@@ -7,6 +7,7 @@
 #include "MantidAlgorithms/SetUncertainties.h"
 #include "MantidAPI/MatrixWorkspace.h"
 #include "MantidAPI/SpectrumInfo.h"
+#include "MantidAPI/WorkspaceFactory.h"
 #include "MantidDataObjects/EventWorkspace.h"
 #include "MantidGeometry/IDetector.h"
 #include "MantidGeometry/Instrument.h"
@@ -124,7 +125,7 @@ void SetUncertainties::exec() {
   double valueToSet = resetOne ? 1.0 : getProperty("SetErrorTo");
   double valueToCompare = resetOne ? 0.0 : getProperty("IfEqualTo");
   int precision = getProperty("Precision");
-  double tolerance = resetOne ? 1E-10 : std::pow(10.0, std : negate(precision));
+  double tolerance = resetOne ? 1E-10 : std::pow(10.0, -1. * precision);
 
   // Create the output workspace. This will copy many aspects from the input
   // one.