| Index: include/private/SkFloatBits.h
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| diff --git a/include/private/SkFloatBits.h b/include/private/SkFloatBits.h
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| deleted file mode 100644
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| index 3ddb9ef564cfaaf2dd07e9f04bd1ce02b4b39d35..0000000000000000000000000000000000000000
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| --- a/include/private/SkFloatBits.h
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| +++ /dev/null
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| @@ -1,132 +0,0 @@
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| -
|
| -/*
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| - * Copyright 2008 The Android Open Source Project
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| - *
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| - * Use of this source code is governed by a BSD-style license that can be
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| - * found in the LICENSE file.
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| - */
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| -
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| -
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| -#ifndef SkFloatBits_DEFINED
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| -#define SkFloatBits_DEFINED
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| -
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| -#include "SkTypes.h"
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| -
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| -/** Convert a sign-bit int (i.e. float interpreted as int) into a 2s compliement
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| - int. This also converts -0 (0x80000000) to 0. Doing this to a float allows
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| - it to be compared using normal C operators (<, <=, etc.)
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| -*/
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| -static inline int32_t SkSignBitTo2sCompliment(int32_t x) {
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| - if (x < 0) {
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| - x &= 0x7FFFFFFF;
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| - x = -x;
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| - }
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| - return x;
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| -}
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| -
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| -/** Convert a 2s compliment int to a sign-bit (i.e. int interpreted as float).
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| - This undoes the result of SkSignBitTo2sCompliment().
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| - */
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| -static inline int32_t Sk2sComplimentToSignBit(int32_t x) {
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| - int sign = x >> 31;
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| - // make x positive
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| - x = (x ^ sign) - sign;
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| - // set the sign bit as needed
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| - x |= sign << 31;
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| - return x;
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| -}
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| -
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| -/** Given the bit representation of a float, return its value cast to an int.
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| - If the value is out of range, or NaN, return return +/- SK_MaxS32
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| -*/
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| -int32_t SkFloatBits_toIntCast(int32_t floatBits);
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| -
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| -/** Given the bit representation of a float, return its floor as an int.
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| - If the value is out of range, or NaN, return return +/- SK_MaxS32
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| - */
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| -SK_API int32_t SkFloatBits_toIntFloor(int32_t floatBits);
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| -
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| -/** Given the bit representation of a float, return it rounded to an int.
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| - If the value is out of range, or NaN, return return +/- SK_MaxS32
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| - */
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| -SK_API int32_t SkFloatBits_toIntRound(int32_t floatBits);
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| -
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| -/** Given the bit representation of a float, return its ceiling as an int.
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| - If the value is out of range, or NaN, return return +/- SK_MaxS32
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| - */
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| -SK_API int32_t SkFloatBits_toIntCeil(int32_t floatBits);
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| -
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| -
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| -union SkFloatIntUnion {
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| - float fFloat;
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| - int32_t fSignBitInt;
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| -};
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| -
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| -// Helper to see a float as its bit pattern (w/o aliasing warnings)
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| -static inline int32_t SkFloat2Bits(float x) {
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| - SkFloatIntUnion data;
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| - data.fFloat = x;
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| - return data.fSignBitInt;
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| -}
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| -
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| -// Helper to see a bit pattern as a float (w/o aliasing warnings)
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| -static inline float SkBits2Float(int32_t floatAsBits) {
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| - SkFloatIntUnion data;
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| - data.fSignBitInt = floatAsBits;
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| - return data.fFloat;
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| -}
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| -
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| -/** Return the float as a 2s compliment int. Just to be used to compare floats
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| - to each other or against positive float-bit-constants (like 0). This does
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| - not return the int equivalent of the float, just something cheaper for
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| - compares-only.
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| - */
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| -static inline int32_t SkFloatAs2sCompliment(float x) {
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| - return SkSignBitTo2sCompliment(SkFloat2Bits(x));
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| -}
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| -
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| -/** Return the 2s compliment int as a float. This undos the result of
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| - SkFloatAs2sCompliment
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| - */
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| -static inline float Sk2sComplimentAsFloat(int32_t x) {
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| - return SkBits2Float(Sk2sComplimentToSignBit(x));
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| -}
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| -
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| -/** Return x cast to a float (i.e. (float)x)
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| -*/
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| -float SkIntToFloatCast(int x);
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| -
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| -/** Return the float cast to an int.
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| - If the value is out of range, or NaN, return +/- SK_MaxS32
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| -*/
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| -static inline int32_t SkFloatToIntCast(float x) {
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| - return SkFloatBits_toIntCast(SkFloat2Bits(x));
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| -}
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| -
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| -/** Return the floor of the float as an int.
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| - If the value is out of range, or NaN, return +/- SK_MaxS32
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| -*/
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| -static inline int32_t SkFloatToIntFloor(float x) {
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| - return SkFloatBits_toIntFloor(SkFloat2Bits(x));
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| -}
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| -
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| -/** Return the float rounded to an int.
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| - If the value is out of range, or NaN, return +/- SK_MaxS32
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| -*/
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| -static inline int32_t SkFloatToIntRound(float x) {
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| - return SkFloatBits_toIntRound(SkFloat2Bits(x));
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| -}
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| -
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| -/** Return the ceiling of the float as an int.
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| - If the value is out of range, or NaN, return +/- SK_MaxS32
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| -*/
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| -static inline int32_t SkFloatToIntCeil(float x) {
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| - return SkFloatBits_toIntCeil(SkFloat2Bits(x));
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| -}
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| -
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| -// Scalar wrappers for float-bit routines
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| -
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| -#define SkScalarAs2sCompliment(x) SkFloatAs2sCompliment(x)
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| -#define Sk2sComplimentAsScalar(x) Sk2sComplimentAsFloat(x)
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| -
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| -#endif
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|
|