remove SK_SCALAR_IS_[FLOAT,FIXED] and assume floats

include/core/SkPreConfig.h

 
 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #ifndef SkPreConfig_DEFINED
@@ skipping 73 matching lines @@
 #if !defined(SK_RESTRICT)
     #define SK_RESTRICT __restrict__
 #endif
 
 #if !defined(SK_WARN_UNUSED_RESULT)
     #define SK_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
 #endif
 
 //////////////////////////////////////////////////////////////////////
 
-#if !defined(SK_SCALAR_IS_FLOAT) && !defined(SK_SCALAR_IS_FIXED)
-    #define SK_SCALAR_IS_FLOAT
-#endif
-
-//////////////////////////////////////////////////////////////////////
-
 #if !defined(SK_CPU_BENDIAN) && !defined(SK_CPU_LENDIAN)
     #if defined (__ppc__) || defined(__PPC__) || defined(__ppc64__) \
         || defined(__PPC64__)
         #define SK_CPU_BENDIAN
     #else
         #define SK_CPU_LENDIAN
     #endif
 #endif
 
 //////////////////////////////////////////////////////////////////////
@@ skipping 130 matching lines @@
  *
  * NOTE: Clang/ARM (r161757) does not support the 'optimize' attribute.
  */
 #if SK_HAS_ATTRIBUTE(optimize)
 #   define SK_ATTRIBUTE_OPTIMIZE_O1 __attribute__((optimize("O1")))
 #else
 #   define SK_ATTRIBUTE_OPTIMIZE_O1 /* nothing */
 #endif
 
 #endif