#include <origin.h>
#include <GetNBox.h>
#include <xfutils.h>

#define STR_ERR_THROW "Noise level"
#define NUM_ERR_MIN_LEVEL_THROW 0



void white_noise(const vector& ix, const double& level, vector& ox)
{
	//add gaussian noise with standard deviation
	//equal to given percent of ave amplitude of data
	if(level < 0)
		XF_THROW_EX2(CER_INPUT_ARGUMENT_LESS_THAN_SPECIFIED_VALUE, STR_ERR_THROW, NUM_ERR_MIN_LEVEL_THROW);
	vector vTemp;
	vTemp = abs(ix);
	int nSize = vTemp.GetSize();
	int nPts;
	double dSum = ocmath_d_sum(vTemp, vTemp.GetSize(), NULL, NULL, NULL, NULL, &nPts); 
	if(nPts < 1)
		XF_THROW(CER_NO_DATA)	
	double ave = dSum/nPts;
	//out_double("range =", range);
	vTemp.Normal(nSize); // mean = 0, sd = 1
	vTemp *= ave * level/100.;
	ox = ix + vTemp;
	
}

//nEventID < 0 on event, like GETNE_ON_INIT, GETNE_ON_OK etc, >0 on change from control
//return 0 to do nothing, return PEVENT_GETN_RET_TO_CLOSE to close dialog
//dwEnables = bOKEnable, bBTN1Enable, bBTN2Enable, bBTN3Enable, , can set to false to disable OK/Apply buttons
//lpcszNodeName = the trGetN TreeNode tag name that generates the event, or is  if GETNE_ON_OK etc
//strAux = optional string for XF Wizard Bar, like DLG_NEED_CHANGE_GRID etc, it will be invalid if from internal node value change event
//strErrMsg = allowing messages to be shown
int white_noise_event1(TreeNode& trGetN, int nRow, int nEventID, DWORD& dwEnables, LPCSTR lpcszNodeName, WndContainer& DynaCntrlContainer, string& strAux, string& strErrMsg)
{
	if( xf_is_extended_event(nEventID) )
		return white_noise_event1_ex(trGetN, nRow, nEventID, dwEnables, lpcszNodeName, DynaCntrlContainer, strAux, strErrMsg);
	DECLARE_BUTTON_ENABLES
	return false;

}

int white_noise_make_tree(TreeNode& tr, LPCSTR lpcszVarName)
{
	return false;
}
//nGetNDialog = 0,1,2, corresponding to the XF GetN dropdown, 0 = dialog is not used
//you can change nRet to be one of XFEVT_PROCEED (defualt), XFEVT_ABORT, XFEVT_PROCEED_NO_DLG or XFEVT_PROCEED_WITH_DLG(when nGetNDialog = 0)
//nGetNDialog = -1 when Ok on GetN dialog to allow handler to preocess <auto> etc variables
//dwCntrl is combination of bits
//LTXF_FROM_GUI_MENU, LTXF_FROM_GUI_PROMPT, LTXF_FROM_AUTO_UPDATE, LTXF_FROM_FUNCTION, LTXF_THEME_USED, LTXF_CHANGE_PARAM
void white_noise_before_execute(TreeNode& trGetN, int nGetNDialog, int& nRet, int dwCntrl)
{

}
//nEventID < 0 on event, like GETNE_ON_INIT, GETNE_ON_OK etc, >0 on change from control
//return 0 to do nothing, return PEVENT_GETN_RET_TO_CLOSE to close dialog
//dwEnables = bOKEnable, bBTN1Enable, bBTN2Enable, bBTN3Enable, , can set to false to disable OK/Apply buttons
//lpcszNodeName = the trGetN TreeNode tag name that generates the event, or is  if GETNE_ON_OK etc
//strAux = optional string for XF Wizard Bar, like DLG_NEED_CHANGE_GRID etc, it will be invalid if from internal node value change event
//strErrMsg = allowing messages to be shown
int white_noise_event1_ex(TreeNode& trGetN, int nRow, int nEventID, DWORD& dwEnables, LPCSTR lpcszNodeName, WndContainer& DynaCntrlContainer, string& strAux, string& strErrMsg)
{
	return false;
}
