Logscale

#include "signalmath.hh"

Public Member Functions
double	iscale (double mmvalue) const
double	scale (double normalized) const
void	setup (double min, double max)

Public Attributes
double	b2
double	ir
double	r2

Detailed Description

Logarithmically map (and invert) a range onto 0…+1.

Member Function Documentation

setup()

void setup	(	double	min,
		double	max
	)

Provide minimum and maximum values to be mapped.

scale()

double scale

(

double

normalized

)

const

Calculate scale value within `[min … max]` from normalized `x`.

iscale()

double iscale

(

double

mmvalue

)

const

Calculate `normalized` from a `scale()` result within `[min … max]`.

Member Data Documentation

b2

double b2

r2

double r2

ir

double ir