{
int round_delta = (AB_SCALE >> 1);
- int X0 = rint(fma(M[0], dx, fma(M[1], dy0, M[2])) * AB_SCALE) + round_delta;
- int Y0 = rint(fma(M[3], dx, fma(M[4], dy0, M[5])) * AB_SCALE) + round_delta;
-
- int XSTEP = (int)(M[1] * AB_SCALE);
- int YSTEP = (int)(M[4] * AB_SCALE);
+ int X0_ = rint(M[0] * dx * AB_SCALE);
+ int Y0_ = rint(M[3] * dx * AB_SCALE);
int dst_index = mad24(dy0, dst_step, mad24(dx, pixsize, dst_offset));
for (int dy = dy0, dy1 = min(dst_rows, dy0 + rowsPerWI); dy < dy1; ++dy, dst_index += dst_step)
{
+ int X0 = X0_ + rint(fma(M[1], dy, M[2]) * AB_SCALE) + round_delta;
+ int Y0 = Y0_ + rint(fma(M[4], dy, M[5]) * AB_SCALE) + round_delta;
+
short sx = convert_short_sat(X0 >> AB_BITS);
short sy = convert_short_sat(Y0 >> AB_BITS);
}
else
storepix(scalar, dstptr + dst_index);
-
- X0 += XSTEP;
- Y0 += YSTEP;
}
}
}
}
}
-#endif
+#endif
\ No newline at end of file
Size ssize = _src.size();
Size dsize = _dsz.area() == 0 ? Size((ssize.width + 1) / 2, (ssize.height + 1) / 2) : _dsz;
+ if (dsize.height < 2 || dsize.width < 2)
+ return false;
+
CV_Assert( ssize.width > 0 && ssize.height > 0 &&
std::abs(dsize.width*2 - ssize.width) <= 2 &&
std::abs(dsize.height*2 - ssize.height) <= 2 );
{
for (int j = 0; j < test_loop_times; j++)
{
- Size src_roiSize = randomSize(1, MAX_VALUE);
+ // minimal src size is set to 4 since size<4 doesn't make sense
+ Size src_roiSize = randomSize(4, MAX_VALUE);
Size dst_roiSize = Size(randomInt((src_roiSize.width - 1) / 2, (src_roiSize.width + 3) / 2),
randomInt((src_roiSize.height - 1) / 2, (src_roiSize.height + 3) / 2));
dst_roiSize = dst_roiSize.area() == 0 ? Size((src_roiSize.width + 1) / 2, (src_roiSize.height + 1) / 2) : dst_roiSize;