Fixes to PPC support

plugins/cpupme/CMakeLists.txt

@@ -56,13 +56,13 @@ FOREACH(subdir ${OPENMM_SOURCE_SUBDIRS})
 ENDFOREACH(subdir)
 
 INCLUDE_DIRECTORIES(BEFORE ${CMAKE_CURRENT_SOURCE_DIR}/src)
-IF (NOT MSVC)
-    IF (ANDROID OR PNACL)
-        SET_SOURCE_FILES_PROPERTIES(${SOURCE_FILES} PROPERTIES COMPILE_FLAGS "")
-    ELSE (ANDROID OR PNACL)
+IF(NOT MSVC)
+    IF(X86)
         SET_SOURCE_FILES_PROPERTIES(${SOURCE_FILES} PROPERTIES COMPILE_FLAGS "-msse4.1")
-    ENDIF (ANDROID OR PNACL)
-ENDIF (NOT MSVC)
+    ELSE()
+        SET_SOURCE_FILES_PROPERTIES(${SOURCE_FILES} PROPERTIES COMPILE_FLAGS "")
+    ENDIF()
+ENDIF()
 
 # Include FFTW related files.
 INCLUDE_DIRECTORIES(${FFTW_INCLUDES})

tests/TestSystem.cpp

@@ -54,7 +54,7 @@ void testCreateSystem() {
     ASSERT_EQUAL(numParticles, system.getNumParticles());
     for (int i = 0; i < numParticles; i++) {
         double mass = (i == 5 ? 100.0 : 1.0+0.1*i);
-        ASSERT_EQUAL(mass, system.getParticleMass(i));
+        ASSERT_EQUAL_TOL(mass, system.getParticleMass(i), 1e-15);
     }
     
     // Test adding, removing, and modifying constraints.