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extract band count check
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@ -24,11 +24,11 @@ ImagingConvertMatrix(Imaging im, const char *mode, float m[]) {
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ImagingSectionCookie cookie;
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/* Assume there's enough data in the buffer */
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if (!im) {
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if (!im || im->bands != 3) {
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return (Imaging)ImagingError_ModeError();
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}
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if (strcmp(mode, "L") == 0 && im->bands == 3) {
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if (strcmp(mode, "L") == 0) {
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imOut = ImagingNewDirty("L", im->xsize, im->ysize);
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if (!imOut) {
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return NULL;
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@ -47,7 +47,7 @@ ImagingConvertMatrix(Imaging im, const char *mode, float m[]) {
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}
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ImagingSectionLeave(&cookie);
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} else if (strlen(mode) == 3 && im->bands == 3) {
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} else if (strlen(mode) == 3) {
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imOut = ImagingNewDirty(mode, im->xsize, im->ysize);
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if (!imOut) {
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return NULL;
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