4 int lerp(
int a,
int b,
double t);
5 float float_lerp(
float a,
float b,
float t);
6 double double_lerp(
double a,
double b,
double t);
7 double quad_from_t(
double a,
double b,
double c,
double t);
8 double quad_t_from_x(
double x,
double a,
double b,
double c);
9 double cubic_from_t(
double a,
double b,
double c,
double d,
double t);
10 double cubic_t_from_x(
double x_target,
double a,
double b,
double c,
double d);
11 double solveCubicBezier(
double p0,
double p1,
double p2,
double p3,
double x);
14 double amplitude_to_db(
double amplitude);
15 double db_to_amplitude(
double db);