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-rw-r--r--chromium/third_party/skia/include/core/Sk64.h230
1 files changed, 0 insertions, 230 deletions
diff --git a/chromium/third_party/skia/include/core/Sk64.h b/chromium/third_party/skia/include/core/Sk64.h
deleted file mode 100644
index 6db3001fb55..00000000000
--- a/chromium/third_party/skia/include/core/Sk64.h
+++ /dev/null
@@ -1,230 +0,0 @@
-
-/*
- * 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 Sk64_DEFINED
-#define Sk64_DEFINED
-
-#include "SkFixed.h"
-
-/** \class Sk64
-
- Sk64 is a 64-bit math package that does not require long long support from the compiler.
-*/
-struct SK_API Sk64 {
- int32_t fHi; //!< the high 32 bits of the number (including sign)
- uint32_t fLo; //!< the low 32 bits of the number
-
- /** Returns non-zero if the Sk64 can be represented as a signed 32 bit integer
- */
- SkBool is32() const { return fHi == ((int32_t)fLo >> 31); }
-
- /** Returns non-zero if the Sk64 cannot be represented as a signed 32 bit integer
- */
- SkBool is64() const { return fHi != ((int32_t)fLo >> 31); }
-
- /** Returns non-zero if the Sk64 can be represented as a signed 48 bit integer. Used to know
- if we can shift the value down by 16 to treat it as a SkFixed.
- */
- SkBool isFixed() const;
-
- /** Return the signed 32 bit integer equivalent. Asserts that is32() returns non-zero.
- */
- int32_t get32() const { SkASSERT(this->is32()); return (int32_t)fLo; }
-
- /** Return the number >> 16. Asserts that this does not loose any significant high bits.
- */
- SkFixed getFixed() const {
- SkASSERT(this->isFixed());
-
- uint32_t sum = fLo + (1 << 15);
- int32_t hi = fHi;
- if (sum < fLo) {
- hi += 1;
- }
- return (hi << 16) | (sum >> 16);
- }
-
- /** Return the number >> 30. Asserts that this does not loose any
- significant high bits.
- */
- SkFract getFract() const;
-
- /** Returns the square-root of the number as a signed 32 bit value. */
- int32_t getSqrt() const;
-
- /** Returns the number of leading zeros of the absolute value of this.
- Will return in the range [0..64]
- */
- int getClzAbs() const;
-
- /** Returns non-zero if the number is zero */
- SkBool isZero() const { return (fHi | fLo) == 0; }
-
- /** Returns non-zero if the number is non-zero */
- SkBool nonZero() const { return fHi | fLo; }
-
- /** Returns non-zero if the number is negative (number < 0) */
- SkBool isNeg() const { return (uint32_t)fHi >> 31; }
-
- /** Returns non-zero if the number is positive (number > 0) */
- SkBool isPos() const { return ~(fHi >> 31) & (fHi | fLo); }
-
- /** Returns -1,0,+1 based on the sign of the number */
- int getSign() const { return (fHi >> 31) | Sk32ToBool(fHi | fLo); }
-
- /** Negate the number */
- void negate();
-
- /** If the number < 0, negate the number
- */
- void abs();
-
- /** Returns the number of bits needed to shift the Sk64 to the right
- in order to make it fit in a signed 32 bit integer.
- */
- int shiftToMake32() const;
-
- /** Set the number to zero */
- void setZero() { fHi = fLo = 0; }
-
- /** Set the high and low 32 bit values of the number */
- void set(int32_t hi, uint32_t lo) { fHi = hi; fLo = lo; }
-
- /** Set the number to the specified 32 bit integer */
- void set(int32_t a) { fHi = a >> 31; fLo = a; }
-
- /** Set the number to the product of the two 32 bit integers */
- void setMul(int32_t a, int32_t b);
-
- /** extract 32bits after shifting right by bitCount.
- Note: itCount must be [0..63].
- Asserts that no significant high bits were lost.
- */
- int32_t getShiftRight(unsigned bitCount) const;
-
- /** Shift the number left by the specified number of bits.
- @param bits How far to shift left, must be [0..63]
- */
- void shiftLeft(unsigned bits);
-
- /** Shift the number right by the specified number of bits.
- @param bits How far to shift right, must be [0..63]. This
- performs an arithmetic right-shift (sign extending).
- */
- void shiftRight(unsigned bits);
-
- /** Shift the number right by the specified number of bits, but
- round the result.
- @param bits How far to shift right, must be [0..63]. This
- performs an arithmetic right-shift (sign extending).
- */
- void roundRight(unsigned bits);
-
- /** Add the specified 32 bit integer to the number */
- void add(int32_t lo) {
- int32_t hi = lo >> 31; // 0 or -1
- uint32_t sum = fLo + (uint32_t)lo;
-
- fHi = fHi + hi + (sum < fLo);
- fLo = sum;
- }
-
- /** Add the specified Sk64 to the number */
- void add(int32_t hi, uint32_t lo) {
- uint32_t sum = fLo + lo;
-
- fHi = fHi + hi + (sum < fLo);
- fLo = sum;
- }
-
- /** Add the specified Sk64 to the number */
- void add(const Sk64& other) { this->add(other.fHi, other.fLo); }
-
- /** Subtract the specified Sk64 from the number. (*this) = (*this) - num
- */
- void sub(const Sk64& num);
-
- /** Subtract the number from the specified Sk64. (*this) = num - (*this)
- */
- void rsub(const Sk64& num);
-
- /** Multiply the number by the specified 32 bit integer
- */
- void mul(int32_t);
-
- enum DivOptions {
- kTrunc_DivOption, //!< truncate the result when calling div()
- kRound_DivOption //!< round the result when calling div()
- };
-
- /** Divide the number by the specified 32 bit integer, using the specified
- divide option (either truncate or round).
- */
- void div(int32_t, DivOptions);
-
- /** return (this + other >> 16) as a 32bit result */
- SkFixed addGetFixed(const Sk64& other) const {
- return this->addGetFixed(other.fHi, other.fLo);
- }
-
- /** return (this + Sk64(hi, lo) >> 16) as a 32bit result */
- SkFixed addGetFixed(int32_t hi, uint32_t lo) const {
-#ifdef SK_DEBUG
- Sk64 tmp(*this);
- tmp.add(hi, lo);
-#endif
-
- uint32_t sum = fLo + lo;
- hi += fHi + (sum < fLo);
- lo = sum;
-
- sum = lo + (1 << 15);
- if (sum < lo)
- hi += 1;
-
- hi = (hi << 16) | (sum >> 16);
- SkASSERT(hi == tmp.getFixed());
- return hi;
- }
-
- /** Return the result of dividing the number by denom, treating the answer
- as a SkFixed. (*this) << 16 / denom. It is an error for denom to be 0.
- */
- SkFixed getFixedDiv(const Sk64& denom) const;
-
- friend bool operator==(const Sk64& a, const Sk64& b) {
- return a.fHi == b.fHi && a.fLo == b.fLo;
- }
-
- friend bool operator!=(const Sk64& a, const Sk64& b) {
- return a.fHi != b.fHi || a.fLo != b.fLo;
- }
-
- friend bool operator<(const Sk64& a, const Sk64& b) {
- return a.fHi < b.fHi || (a.fHi == b.fHi && a.fLo < b.fLo);
- }
-
- friend bool operator<=(const Sk64& a, const Sk64& b) {
- return a.fHi < b.fHi || (a.fHi == b.fHi && a.fLo <= b.fLo);
- }
-
- friend bool operator>(const Sk64& a, const Sk64& b) {
- return a.fHi > b.fHi || (a.fHi == b.fHi && a.fLo > b.fLo);
- }
-
- friend bool operator>=(const Sk64& a, const Sk64& b) {
- return a.fHi > b.fHi || (a.fHi == b.fHi && a.fLo >= b.fLo);
- }
-
-#ifdef SkLONGLONG
- SkLONGLONG getLongLong() const;
-#endif
-};
-
-#endif
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