17839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger/*
27839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger * Copyright 2012 Google Inc.
37839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger *
47839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger * Use of this source code is governed by a BSD-style license that can be
57839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger * found in the LICENSE file.
67839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger */
77839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger#ifndef SkDQuarticRoot_DEFINED
87839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger#define SkDQuarticRoot_DEFINED
97839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger
107839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenbergerint SkReducedQuarticRoots(const double t4, const double t3, const double t2, const double t1,
117839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger        const double t0, const bool oneHint, double s[4]);
127839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger
137839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenbergerint SkQuarticRootsReal(int firstCubicRoot, const double A, const double B, const double C,
147839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger        const double D, const double E, double s[4]);
157839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger
167839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger#endif
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