Functions.cpp File Reference

#include "config.h"
#include <math.h>
#include <QString>
#include <KLocalizedString>
#include "libkwave/Functions.h"
#include "libkwave/String.h"

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Functions
static double	rect (double param)
static double	sin2 (double param)
static double	sin3 (double param)
static double	saw (double param)
static double	sawinv (double param)
static double	tri (double param)
static double	zero (double)

Function Documentation

rect()

static double rect ( double  param )

static

Definition at line 29 of file Functions.cpp.

Referenced by Kwave::OverViewWidget::calculateBitmap(), Kwave::SignalView::dragMoveEvent(), Kwave::LevelMeter::drawContents(), Kwave::LevelMeter::drawScale(), Kwave::Functions::FunctionTypesMap::fill(), Kwave::LogoWidget::paintEvent(), Kwave::Splash::paintEvent(), Kwave::FrequencyResponseWidget::paintEvent(), Kwave::CurveWidget::paintEvent(), Kwave::ScaleWidget::paintText(), Kwave::DebugPlugin::screenshot(), and Kwave::Splash::Splash().

{
    double div = param / (2 * M_PI);
    param = param - (floor(div) * (2 * M_PI));
    if (param > M_PI) return -1;
    return 1;
}

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saw()

static double saw ( double  param )

static

Definition at line 52 of file Functions.cpp.

Referenced by Kwave::Functions::FunctionTypesMap::fill(), and Kwave::RecordPlugin::split().

{
    double div = param / (2 * M_PI);
    param -= (floor(div) * (2 * M_PI));
    param /= M_PI;
    param -= 1;
    return param;
}

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sawinv()

static double sawinv ( double  param )

static

Definition at line 62 of file Functions.cpp.

Referenced by Kwave::Functions::FunctionTypesMap::fill().

{
    double div = param / (2 * M_PI);
    param -= (floor(div) * (2 * M_PI));
    param = 2 * M_PI - param;
    param /= M_PI;
    param -= 1;
    return param;
}

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sin2()

static double sin2 ( double  param )

static

Definition at line 38 of file Functions.cpp.

Referenced by Kwave::Functions::FunctionTypesMap::fill().

{
    double y = sin(param);
    return y*y;
}

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sin3()

static double sin3 ( double  param )

static

Definition at line 45 of file Functions.cpp.

Referenced by Kwave::Functions::FunctionTypesMap::fill().

{
    double y = sin(param);
    return y*y*y;
}

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tri()

static double tri ( double  param )

static

Definition at line 73 of file Functions.cpp.

Referenced by Kwave::Functions::FunctionTypesMap::fill().

{
    param += M_PI / 2;
    double div = param / (2 * M_PI);
    param -= (floor(div) * (2 * M_PI));
    if (param > M_PI) return (((param -M_PI) / M_PI)*2)-1;
    return (((M_PI -param) / M_PI)*2)-1;
}

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zero()

static double zero ( double  )

static

Definition at line 83 of file Functions.cpp.

Referenced by Kwave::Functions::function(), Kwave::NoiseDialog::updateDisplay(), and Kwave::WavEncoder::writeInfoChunk().

{
    return 0.0;
}

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