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Extend C API with component-level access functions + memory bug fixes #59

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Merged
timoataltavo merged 4 commits into from
Jun 14, 2026
Merged

Extend C API with component-level access functions + memory bug fixes #59

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e535786
Fix Tube::operator= dropping members; fix vtlGetTransferFunction opti…
paul-krug Jun 11, 2026
9bfffdc
Add C-API functions exposing glottis, TDS, anatomy and geometry inter…
paul-krug Jun 11, 2026
dbafdb8
Fix off-by-one array overruns found with AddressSanitizer
paul-krug Jun 12, 2026
f8efca5
CI: fix Windows SDK target in test projects (MSB8036)
paul-krug Jun 13, 2026
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2 changes: 1 addition & 1 deletion build/msw/VtlApiTests.vcxproj
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Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,7 @@
<PropertyGroup Label="Globals">
<ProjectGuid>{3e9b609e-a2c5-4b62-b0d8-199758363deb}</ProjectGuid>
<Keyword>Win32Proj</Keyword>
<WindowsTargetPlatformVersion>10.0.19041.0</WindowsTargetPlatformVersion>
<WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
<ConfigurationType>Application</ConfigurationType>
<PlatformToolset>v142</PlatformToolset>
<CharacterSet>Unicode</CharacterSet>
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2 changes: 1 addition & 1 deletion build/msw/VtlBackendTests.vcxproj
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Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,7 @@
<PropertyGroup Label="Globals">
<ProjectGuid>{b0eccf36-91d7-47ca-8f08-ab92c55d489b}</ProjectGuid>
<Keyword>Win32Proj</Keyword>
<WindowsTargetPlatformVersion>10.0.19041.0</WindowsTargetPlatformVersion>
<WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
<ConfigurationType>Application</ConfigurationType>
<PlatformToolset>v142</PlatformToolset>
<CharacterSet>Unicode</CharacterSet>
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366 changes: 366 additions & 0 deletions include/VocalTractLabApi/VocalTractLabApi.h
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5 changes: 5 additions & 0 deletions include/VocalTractLabBackend/TlModel.h
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Expand Up @@ -84,6 +84,10 @@ class TlModel

void getImpulseResponseWindow(Signal *window, int length);
void getImpulseResponse(Signal *impulseResponse, int lengthExponent);
Matrix2x2 getMatrixProduct(int section, int freqIndex);
ComplexValue getFossaInputImpedance(int freqIndex);
ComplexValue getNoseRadiationImpedance(int freqIndex);
ComplexValue getMouthRadiationImpedance(int freqIndex);
void getSpectrum(SpectrumType type, ComplexSignal *spectrum, int spectrumLength, int section);

int getMostConstrictedSection();
Expand Down Expand Up @@ -121,6 +125,7 @@ class TlModel
ComplexValue noseRadiationImpedance[MAX_NUM_FREQ];
ComplexValue lungTerminationImpedance[MAX_NUM_FREQ];
ComplexValue radiationCharacteristic[MAX_NUM_FREQ];
ComplexValue fossaInputImpedanceArray[MAX_NUM_FREQ];


// ************************************************************************
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1 change: 1 addition & 0 deletions include/VocalTractLabBackend/Tube.h
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Expand Up @@ -178,6 +178,7 @@ class Tube
double nasalCavityLength_cm;
double piriformFossaLength_cm;
double piriformFossaVolume_cm3;
double rawVelumOpening_cm2 = 0.0;

// **************************************************************************
// Private functions.
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12 changes: 7 additions & 5 deletions include/VocalTractLabBackend/VocalTract.h
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Expand Up @@ -441,6 +441,7 @@ class VocalTract
void calcCrossSections();
void getCrossProfiles(Point2D P, Point2D v, double *upperProfile, double *lowerProfile,
bool considerTongue, Tube::Articulator &articulator, bool debug = false);
int getRawCuts(Point2D P, Point2D v, double *cutData, int maxCuts);
void insertUpperProfileLine(Point2D P0, Point2D P1, int surfaceIndex,
double *upperProfile, int *upperProfileSurface);
void insertLowerProfileLine(Point2D P0, Point2D P1, int surfaceIndex,
Expand Down Expand Up @@ -481,15 +482,16 @@ class VocalTract
/// Private data.
// **************************************************************************

private:
bool intersectionsPrepared[NUM_SURFACES]; // For the fast intersection method
bool hasStoredControlParams;
double storedControlParams[NUM_PARAMS];

// Outlines used for centerline computation (public for debug export).
LineStrip2D upperOutline;
LineStrip2D lowerOutline;
LineStrip2D tongueOutline;
LineStrip2D epiglottisOutline;

private:
bool intersectionsPrepared[NUM_SURFACES]; // For the fast intersection method
bool hasStoredControlParams;
double storedControlParams[NUM_PARAMS];
};

// ****************************************************************************
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