Revert "UniformTest.FloatUniformStateQuery do computations in doubles"

src/tests/gl_tests/UniformTest.cpp

@@ -170,35 +170,36 @@ TEST_P(UniformTest, UniformArrayLocations)
 // Test that float to integer GetUniform rounds values correctly.
 TEST_P(UniformTest, FloatUniformStateQuery)
 {
-    std::vector<double> inValues;
+    std::vector<GLfloat> inValues;
     std::vector<GLfloat> expectedFValues;
     std::vector<GLint> expectedIValues;
 
-    double intMaxD = static_cast<double>(std::numeric_limits<GLint>::max());
-    double intMinD = static_cast<double>(std::numeric_limits<GLint>::min());
+    GLfloat intMaxF = static_cast<GLfloat>(std::numeric_limits<GLint>::max());
+    GLfloat intMinF = static_cast<GLfloat>(std::numeric_limits<GLint>::min());
 
     // TODO(jmadill): Investigate rounding of .5
-    inValues.push_back(-1.0);
-    inValues.push_back(-0.6);
-    // inValues.push_back(-0.5); // undefined behaviour?
-    inValues.push_back(-0.4);
-    inValues.push_back(0.0);
-    inValues.push_back(0.4);
-    // inValues.push_back(0.5); // undefined behaviour?
-    inValues.push_back(0.6);
-    inValues.push_back(1.0);
-    inValues.push_back(999999.2);
-    inValues.push_back(intMaxD * 2.0);
-    inValues.push_back(intMaxD + 1.0);
-    inValues.push_back(intMinD * 2.0);
-    inValues.push_back(intMinD - 1.0);
-
-    for (double value : inValues)
+
+    inValues.push_back(-1.0f);
+    inValues.push_back(-0.6f);
+    // inValues.push_back(-0.5f); // undefined behaviour?
+    inValues.push_back(-0.4f);
+    inValues.push_back(0.0f);
+    inValues.push_back(0.4f);
+    // inValues.push_back(0.5f); // undefined behaviour?
+    inValues.push_back(0.6f);
+    inValues.push_back(1.0f);
+    inValues.push_back(999999.2f);
+    inValues.push_back(intMaxF * 2.0f);
+    inValues.push_back(intMaxF + 1.0f);
+    inValues.push_back(intMinF * 2.0f);
+    inValues.push_back(intMinF - 1.0f);
+
+    for (GLfloat value : inValues)
     {
-        expectedFValues.push_back(static_cast<GLfloat>(value));
+        expectedFValues.push_back(value);
 
-        double clampedValue = std::max(intMinD, std::min(intMaxD, value));
-        double rounded = round(clampedValue);
+        GLfloat clampedValue = std::max(intMinF, std::min(intMaxF, value));
+        GLfloat rounded = roundf(clampedValue);
         expectedIValues.push_back(static_cast<GLint>(rounded));
     }