polyfit errors

(null): "ofLogNotice::ofLogNotice(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&)", referenced from:
(null): "ofLog::ofLog(ofLogLevel, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&)", referenced from:
(null): "void ofDrawBitmapString<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, float, float, float)", referenced from:
(null): "ofEnableAlphaBlending()", referenced from:
(null): "ofLogError::ofLogError(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&)", referenced from:
(null): "ofCircle(ofVec3f const&, float)", referenced from:
(null): "ofLog::~ofLog()", referenced from:
(null): "ofSetColor(int, int, int, int)", referenced from:
(null): "ofDisableAlphaBlending()", referenced from:
(null): "ofSetColor(int)", referenced from:
(null): "ofRandom(float)", referenced from:
(null): "ofBaseSoundOutput::audioOut(float*, int, int)", referenced from:
(null): "ofAppGlutWindow::ofAppGlutWindow()", referenced from:
(null): "ofLog::ofLog()", referenced from:
(null): "ofBackground(int, int, int, int)", referenced from:
(null): "ofSetVerticalSync(bool)", referenced from:
(null): "ofLog::padding", referenced from:
(null): "ofBaseSoundInput::audioIn(float*, int, int, int, unsigned long long)", referenced from:
(null): "ofRect(float, float, float, float)", referenced from:
(null): "vtable for ofBaseSoundInput", referenced from:
(null): "ofRandom(float, float)", referenced from:
(null): "ofCircle(float, float, float)", referenced from:
(null): "typeinfo for ofBaseSoundOutput", referenced from:
(null): "ofBaseSoundOutput::audioOut(ofSoundBuffer&)", referenced from:
(null): "ofFill()", referenced from:
(null): "typeinfo for ofBaseSoundInput", referenced from:
(null): "ofEnableSmoothing()", referenced from:
(null): "ofBaseSoundInput::audioIn(ofSoundBuffer&)", referenced from:
(null): "ofBaseSoundOutput::audioOut(float*, int, int, int, unsigned long long)", referenced from:
(null): "ofGetElapsedTimef()", referenced from:
(null): "ofNoFill()", referenced from:
(null): "vtable for ofBaseSoundOutput", referenced from:
(null): "vtable for ofAppGlutWindow", referenced from:
(null): "ofInit()", referenced from:
(null): "ofAppGlutWindow::loop()", referenced from:
(null): "ofGetMainLoop()", referenced from:
(null): "ofSetColor(int, int, int)", referenced from:
(null): "ofBaseSoundInput::audioIn(float*, int, int)", referenced from:
(null): "ofMainLoop::keyPressed(ofKeyEventArgs&)", referenced from: