Program: 154073
Project: 154073
Buggy source:
private void toRGBFloat(UnpackedImageData src,int[] srcComponentSize,WritableRaster dest,int[] destComponentSize){
  float[] iBuf=src.getFloatData(0);
  float[] hBuf=src.getFloatData(1);
  float[] sBuf=src.getFloatData(2);
  double normr=1.0, normg=1.0, normb=1.0;
  int dstType=dest.getSampleModel().getDataType();
  if (dstType < DataBuffer.TYPE_FLOAT) {
    normr=(1l << destComponentSize[0]) - 1;
    normg=(1l << destComponentSize[1]) - 1;
    normb=(1l << destComponentSize[2]) - 1;
  }
  int height=dest.getHeight();
  int width=dest.getWidth();
  double[] dstPixels=new double[3 * height * width];
  int iStart=src.bandOffsets[0];
  int hStart=src.bandOffsets[1];
  int sStart=src.bandOffsets[2];
  int srcPixelStride=src.pixelStride;
  int srcLineStride=src.lineStride;
  int dIndex=0;
  for (int j=0; j < height; j++, iStart+=srcLineStride, hStart+=srcLineStride, sStart+=srcLineStride) {
    for (int i=0, iIndex=iStart, hIndex=hStart, sIndex=sStart; i < width; i++, iIndex+=srcPixelStride, hIndex+=srcPixelStride, sIndex+=srcPixelStride) {
      double I=iBuf[iIndex];
      double H=hBuf[hIndex];
      double S=sBuf[sIndex];
      double R, G, B;
      R=G=B=I;
      if (S != 0) {
        if (H >= PI23 && H < PI43) {
          R=(1 - S) * I;
          double c1=3 * I - R;
          double c2=SQRT3 * (R - I) * Math.tan(H);
          G=(c1 + c2) / 2;
          B=(c1 - c2) / 2;
        }
 else         if (H > PI43) {
          G=(1 - S) * I;
          double c1=3 * I - G;
          double c2=SQRT3 * (G - I) * Math.tan(H - PI23);
          B=(c1 + c2) / 2;
          R=(c1 - c2) / 2;
        }
 else         if (H < PI23) {
          B=(1 - S) * I;
          double c1=3 * I - B;
          double c2=SQRT3 * (B - I) * Math.tan(H - PI43);
          R=(c1 + c2) / 2;
          G=(c1 - c2) / 2;
        }
      }
      dstPixels[dIndex++]=((R < 0) ? 0 : ((R > 1.0) ? 1.0 : R)) * normr;
      dstPixels[dIndex++]=((G < 0) ? 0 : ((G > 1.0) ? 1.0 : G)) * normg;
      dstPixels[dIndex++]=((B < 0) ? 0 : ((B > 1.0) ? 1.0 : B)) * normb;
    }
  }
  convertToSigned(dstPixels,dstType);
  dest.setPixels(dest.getMinX(),dest.getMinY(),width,height,dstPixels);
}

Fixed version (ground truth):
private void toRGBFloat(UnpackedImageData src,int[] srcComponentSize,WritableRaster dest,int[] destComponentSize){
  float[] iBuf=src.getFloatData(0);
  float[] hBuf=src.getFloatData(1);
  float[] sBuf=src.getFloatData(2);
  double normr=1.0, normg=1.0, normb=1.0;
  int dstType=dest.getSampleModel().getDataType();
  if (dstType < DataBuffer.TYPE_FLOAT) {
    normr=(1l << destComponentSize[0]) - 1;
    normg=(1l << destComponentSize[1]) - 1;
    normb=(1l << destComponentSize[2]) - 1;
  }
  int height=dest.getHeight();
  int width=dest.getWidth();
  double[] dstPixels=new double[3 * height * width];
  int iStart=src.bandOffsets[0];
  int hStart=src.bandOffsets[1];
  int sStart=src.bandOffsets[2];
  int srcPixelStride=src.pixelStride;
  int srcLineStride=src.lineStride;
  int dIndex=0;
  for (int j=0; j < height; j++, iStart+=srcLineStride, hStart+=srcLineStride, sStart+=srcLineStride) {
    for (int i=0, iIndex=iStart, hIndex=hStart, sIndex=sStart; i < width; i++, iIndex+=srcPixelStride, hIndex+=srcPixelStride, sIndex+=srcPixelStride) {
      double I=iBuf[iIndex];
      double H=hBuf[hIndex];
      double S=sBuf[sIndex];
      double R, G, B;
      R=G=B=I;
      if (S != 0) {
        if (H >= PI23 && H <= PI43) {
          R=(1 - S) * I;
          double c1=3 * I - R;
          double c2=SQRT3 * (R - I) * Math.tan(H);
          G=(c1 + c2) / 2;
          B=(c1 - c2) / 2;
        }
 else         if (H > PI43) {
          G=(1 - S) * I;
          double c1=3 * I - G;
          double c2=SQRT3 * (G - I) * Math.tan(H - PI23);
          B=(c1 + c2) / 2;
          R=(c1 - c2) / 2;
        }
 else         if (H < PI23) {
          B=(1 - S) * I;
          double c1=3 * I - B;
          double c2=SQRT3 * (B - I) * Math.tan(H - PI43);
          R=(c1 + c2) / 2;
          G=(c1 - c2) / 2;
        }
      }
      dstPixels[dIndex++]=((R < 0) ? 0 : ((R > 1.0) ? 1.0 : R)) * normr;
      dstPixels[dIndex++]=((G < 0) ? 0 : ((G > 1.0) ? 1.0 : G)) * normg;
      dstPixels[dIndex++]=((B < 0) ? 0 : ((B > 1.0) ? 1.0 : B)) * normb;
    }
  }
  convertToSigned(dstPixels,dstType);
  dest.setPixels(dest.getMinX(),dest.getMinY(),width,height,dstPixels);
}