BinaryOp.cpp

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///
/// BinaryOp.cpp -- The implementation file for simple arithmetic operations on UnitGenerators.
/// See the copyright notice and acknowledgment of authors in the file COPYRIGHT.
///

#include "BinaryOp.h"
#include "CGestalt.h"

using namespace csl;

BinaryOp::BinaryOp(UnitGenerator & op1, UnitGenerator & op2) : Effect(op1) {
    this->addInput(CSL_OPERAND, op2);
#ifdef CSL_DEBUG
    logMsg("BinaryOp::add input and operand UGs");
#endif      
}

BinaryOp::BinaryOp(UnitGenerator & op1, float op2) : Effect(op1) {
    this->addInput(CSL_OPERAND, op2);
#ifdef CSL_DEBUG
    logMsg("BinaryOp::add input UG and float operand");
#endif  
}

BinaryOp::BinaryOp(float op1, UnitGenerator & op2) : Effect(op2) {
    this->addInput(CSL_OPERAND, op1);           // Set the operand port's UGen
#ifdef CSL_DEBUG
    logMsg("BinaryOp::add operand UG and float input");
#endif  
}

BinaryOp::~BinaryOp() {
    // mInputs.erase(CSL_OPERAND);  // Is this right?
}

// This function returns whether or not its values are dynamic
// Again, these might not be necessary due to ports doing dynamic/static checks automatically

bool BinaryOp::isFixed() {
    return inputIsFixed() && operandIsFixed();
}

// Set the operand from a fixed float

void BinaryOp::setOperand(float op) {
    Port * opPort = mInputs[CSL_OPERAND];
    if (opPort->mUGen != 0)
        throw RunTimeError("Can't set value of UGen port");
    opPort->mValue = op;
}

// print info about this instance

void BinaryOp::dump() {
    fprintf(stderr, "BinaryOp left: ");
    Effect::inPort()->dump();
    fprintf(stderr, "right: ");
    mInputs[CSL_OPERAND]->dump();
    fprintf(stderr, "\n");
}

// AddOp


AddOp::AddOp(UnitGenerator & op1, UnitGenerator & op2) : BinaryOp(op1, op2) { }

AddOp::AddOp(UnitGenerator & op1, float op2) : BinaryOp(op1, op2) { }

AddOp::AddOp(float op1, UnitGenerator & op2) : BinaryOp(op1, op2) { }

void AddOp::nextBuffer(Buffer & outputBuffer, unsigned outBufNum) throw (CException) {
#ifdef CSL_DEBUG
    logMsg("AddOp nextBuffer");                     // for verbose debugging (define CSL_DEBUG in CSL_Core.h)
#endif
    SampleBuffer outputBufferPtr = outputBuffer.buffer(outBufNum);
    unsigned numFrames = outputBuffer.mNumFrames;
    DECLARE_OPERAND_CONTROLS;                       // Declare and load the operand
    LOAD_OPERAND_CONTROLS;
    for (unsigned i = 0; i < numFrames; i++) {
        *outputBufferPtr++ = *inValue + opValue;        // Do the actual add
        UPDATE_OPERAND_CONTROLS;                    // Update both the operand
    }
}
// MulOp

MulOp::MulOp(UnitGenerator & op1, UnitGenerator & op2) : BinaryOp(op1, op2) { }

MulOp::MulOp(UnitGenerator & op1, float op2) : BinaryOp(op1, op2) { }

MulOp::MulOp(float op1, UnitGenerator & op2) : BinaryOp(op1, op2) { }

void MulOp::nextBuffer(Buffer & outputBuffer, unsigned outBufNum) throw (CException)  {
#ifdef CSL_DEBUG
    logMsg("MulOp nextBuffer");                             // for verbose debugging (define CSL_DEBUG in CSL_Core.h)
#endif
    SampleBuffer outputBufferPtr = outputBuffer.buffer(outBufNum);
    unsigned numFrames = outputBuffer.mNumFrames;
    DECLARE_OPERAND_CONTROLS;                           // Declare and load the operand
    LOAD_OPERAND_CONTROLS;

    for (unsigned i = 0; i < numFrames; i++) {
        *outputBufferPtr++ = * inValue * opValue;       // Do the actual multiply
        UPDATE_OPERAND_CONTROLS;                        // Update both the operand
    }
}