constexpr NaN,+Inf,-Inf

src/core/SkMath.cpp

 /*
  * Copyright 2008 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.
  */
 
 #include "SkMathPriv.h"
 #include "SkFixed.h"
 #include "SkFloatBits.h"
 #include "SkFloatingPoint.h"
 #include "SkScalar.h"
 
-const uint32_t gIEEENotANumber = 0x7FFFFFFF;
-const uint32_t gIEEEInfinity = 0x7F800000;
-const uint32_t gIEEENegativeInfinity = 0xFF800000;
-
 #define sub_shift(zeros, x, n)  \
     zeros -= n;                 \
     x >>= n
 
 int SkCLZ_portable(uint32_t x) {
     if (x == 0) {
         return 32;
     }
 
     int zeros = 31;
@@ skipping 53 matching lines @@
         if (SkScalarNearlyZero(*cosValue)) {
             *cosValue = 0;
         }
     }
 
     if (SkScalarNearlyZero(sinValue)) {
         sinValue = 0;
     }
     return sinValue;
 }