Bruteforce - embedded, relaxed ulp requirements (#839)

* Add embedded profile ULP requiremnts for relaxed tests.

* Fixed exp relaxed ULP for embedded.

* Added a utility function, getAllowedUlpError, for determining FP32 ULP.

* Collection of requested changes from PR.

Re-named float_embedded_relaxed_ulps -> relaxed_embedded_error.

Re-ordered Func struct members.

test_conformance/math_brute_force/Utility.h

@@ -1,6 +1,6 @@
 //
 // Copyright (c) 2017 The Khronos Group Inc.
-// 
+//
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
@@ -29,6 +29,7 @@
 #include "harness/testHarness.h"
 #include "harness/ThreadPool.h"
 #include "harness/conversions.h"
+
 #define BUFFER_SIZE         (1024*1024*2)
 
 #if defined( __GNUC__ )
@@ -37,6 +38,8 @@
     #define UNUSED
 #endif
 
+struct Func;
+
 extern int gWimpyBufferSize;
 extern int gWimpyReductionFactor;
 
@@ -224,6 +227,8 @@ int compareDoubles(double x, double y);
 
 void logFunctionInfo(const char *fname, unsigned int float_size, unsigned int isFastRelaxed);
 
+float getAllowedUlpError(const Func *f, const bool relaxed);
+
 #endif /* UTILITY_H */