| 46 | } |
| 47 | |
| 48 | Maybe<void> CalcSamePadding(int64_t input_size, int32_t filter_size, int32_t dilation_rate, |
| 49 | int32_t stride, int32_t* padding_small, int32_t* padding_large) { |
| 50 | CHECK_GT_OR_RETURN(stride, 0); |
| 51 | CHECK_GE_OR_RETURN(dilation_rate, 1); |
| 52 | |
| 53 | int32_t effective_filter_size = (filter_size - 1) * dilation_rate + 1; |
| 54 | int64_t tmp_output_size = (input_size + stride - 1) / stride; |
| 55 | const int32_t padding_needed = std::max( |
| 56 | 0, static_cast<int32_t>((tmp_output_size - 1) * stride + effective_filter_size - input_size)); |
| 57 | if (padding_small) { *padding_small = padding_needed / 2; } |
| 58 | if (padding_large) { *padding_large = padding_needed - padding_needed / 2; } |
| 59 | return Maybe<void>::Ok(); |
| 60 | } |
| 61 | |
| 62 | Maybe<void> CalcConvOut(int64_t input_size, int32_t filter_size, int32_t dilation_rate, |
| 63 | int32_t stride, int32_t padding_before, int64_t* output_size) { |
no outgoing calls
no test coverage detected