38 lines
1.4 KiB
C
38 lines
1.4 KiB
C
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2019 Olive Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#ifndef MATH_H
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#define MATH_H
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int lerp(int a, int b, double t);
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float float_lerp(float a, float b, float t);
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double double_lerp(double a, double b, double t);
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double quad_from_t(double a, double b, double c, double t);
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double quad_t_from_x(double x, double a, double b, double c);
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double cubic_from_t(double a, double b, double c, double d, double t);
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double cubic_t_from_x(double x_target, double a, double b, double c, double d);
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double solveCubicBezier(double p0, double p1, double p2, double p3, double x);
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// decibel conversion functions
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double amplitude_to_db(double amplitude);
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double db_to_amplitude(double db);
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#endif // MATH_H
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