Function main

examples/function/analysis.cpp:17–114

using namespace gam::gen;

int main(){

	const unsigned size = 32;
	float table[size];
	//unsigned indices[size];

	for(unsigned i=0; i<size; ++i){
		float phs = float(i)/size;
		table[i] = scl::abs(cos(2 * 2*M_PI*phs) * exp(-phs));
	}
	
	// print out function
	for(unsigned i=0; i<size; i++){
		printf("[%4d]\t% 7.4f ", i, table[i]);
		printPlot(table[i]);
		printf("\n");
	}


	unsigned featureI;
	float featureF;
	
	printf("\n");

	featureF = arr::dot(table, table, size);
	printf("Dot Product:       %f\n", featureF);

	unsigned min, max;
	arr::extrema(table, size, min, max);
	printf("Extrema:           [%f, %f]\n", table[min], table[max]);

	float slope, inter;
	arr::lineFit(table, size, slope, inter);
	printf("Linear fit:        inter = %f, slope = %f\n", inter, slope);

	featureI = arr::indexOfMax(table, size);
	printf("Max:               [%2d] %f\n", featureI, table[featureI]);

	unsigned peaks[size>>1];
	featureI = arr::maxima(peaks, table, size);
	printf("Maxima (%d):\n", featureI);
	for(unsigned long i=0; i<featureI; i++) printf("\t[%2d] %f\n", peaks[i], table[peaks[i]]);

	featureF = arr::mean(table, size);
	printf("Mean:              %f\n", featureF);

	featureF = arr::meanNorm(table, size);
	printf("Mean Norm:         %f\n", featureF);
	
	featureF = arr::meanWeightedIndex(table, size);
	printf("Mean Weight Index: %f\n", featureF);

	featureF = arr::rms(table, size);
	printf("RMS:               %f\n", featureF);

	featureF = arr::sum(table, size);
	printf("Sum:               %f\n", featureF);