interpolation/Cubic/Float

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Interpolation/Cubic/Float

Summary

Function: float fCub( float a, float b, float c, float d, float t );

Cubic interpolation between four floating point values.
Returns a float

• float	a
• float	b
• float	c
• float	d
• float	t

Specification

float fCub(float a, float b, float c, float d,float t) {
    float P = (d-c)-(a-b);
    return P*llPow(t,3) + ((a-b)-P)*llPow(t,2) + (c-a)*t + b;
}
// Released into public domain. By Nexii Malthus.

Examples