std :: dsp::imaging
Function std::conv2d_f32
int conv2d_f32(
[]const float img,
unsigned long h,
unsigned long w,
[]const float kernel,
unsigned long kh,
unsigned long kw,
[]float out,
)Single precision: conv2d / fft2d / ifft2d on float and Complex32, same contracts (kernels can come from the double helpers above, rounded).