path ops -- use standard max, min, double-is-nan

include/core/SkFloatingPoint.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 SkFloatingPoint_DEFINED
@@ skipping 59 matching lines @@
     static inline int sk_float_isinf(float x) {
         int32_t bits = SkFloat2Bits(x);
         return (bits << 1) == (0xFF << 24);
     }
 #else
     #define sk_float_isfinite(x)    isfinite(x)
     #define sk_float_isnan(x)       isnan(x)
     #define sk_float_isinf(x)       isinf(x)
 #endif
 
+#define sk_double_isnan(a)          sk_float_isnan(a)
+
 #ifdef SK_USE_FLOATBITS
     #define sk_float_floor2int(x)   SkFloatToIntFloor(x)
     #define sk_float_round2int(x)   SkFloatToIntRound(x)
     #define sk_float_ceil2int(x)    SkFloatToIntCeil(x)
 #else
     #define sk_float_floor2int(x)   (int)sk_float_floor(x)
     #define sk_float_round2int(x)   (int)sk_float_floor((x) + 0.5f)
     #define sk_float_ceil2int(x)    (int)sk_float_ceil(x)
 #endif
 
 extern const uint32_t gIEEENotANumber;
 extern const uint32_t gIEEEInfinity;
 extern const uint32_t gIEEENegativeInfinity;
 
 #define SK_FloatNaN                 (*SkTCast<const float*>(&gIEEENotANumber))
 #define SK_FloatInfinity            (*SkTCast<const float*>(&gIEEEInfinity))
 #define SK_FloatNegativeInfinity    (*SkTCast<const float*>(&gIEEENegativeInfinity))
 #endif