diff options
Diffstat (limited to 'chapters/reduction.adoc')
| -rw-r--r-- | chapters/reduction.adoc | 76 |
1 files changed, 40 insertions, 36 deletions
diff --git a/chapters/reduction.adoc b/chapters/reduction.adoc index b687896..11db960 100644 --- a/chapters/reduction.adoc +++ b/chapters/reduction.adoc @@ -29,16 +29,18 @@ Reduce a tensor along the given axis with a logical AND operation ---- ERROR_IF(axis < 0 || axis >= rank(shape1)); ERROR_IF(shape[axis] != 1); + +// Initialize output state to true for_each(index in shape) { tensor_write<in_t>(output, shape, index, true); } for_each(index in shape1) { - tmp_index = index; - tmp_index[axis]=0; - value = tensor_read<in_t>(input, shape1, index); - acc = tensor_read<in_t>(output, shape, tmp_index); - acc = acc && value; - tensor_write<in_t>(output, shape, tmp_index, acc); + out_index = index; + out_index[axis] = 0; + in_t value = tensor_read<in_t>(input, shape1, index); + in_t state = tensor_read<in_t>(output, shape, out_index); + state = state && value; + tensor_write<in_t>(output, shape, out_index, state); } ---- @@ -70,16 +72,18 @@ Reduce a tensor along the given axis with a logical OR operation ---- ERROR_IF(axis < 0 || axis >= rank(shape1)); ERROR_IF(shape[axis] != 1); + +// Initialize output state to false for_each(index in shape) { tensor_write<in_t>(output, shape, index, false); } for_each(index in shape1) { - tmp_index = index; - tmp_index[axis]=0; - value = tensor_read<in_t>(input, shape1, index); - acc = tensor_read<in_t>(output, shape, tmp_index); - acc = acc || value; - tensor_write<in_t>(output, shape, tmp_index, acc); + out_index = index; + out_index[axis] = 0; + in_t value = tensor_read<in_t>(input, shape1, index); + in_t state = tensor_read<in_t>(output, shape, out_index); + state = state || value; + tensor_write<in_t>(output, shape, out_index, state); } ---- @@ -115,12 +119,12 @@ for_each(index in shape) { tensor_write<in_t>(output, shape, index, minimum<in_t>); } for_each(index in shape1) { - tmp_index = index; - tmp_index[axis]=0; - value = tensor_read<in_t>(input, shape1, index); - acc = tensor_read<in_t>(output, shape, tmp_index); - acc = apply_max<in_t>(acc, value); - tensor_write<in_t>(output, shape, tmp_index, acc); + out_index = index; + out_index[axis] = 0; + in_t value = tensor_read<in_t>(input, shape1, index); + in_t state = tensor_read<in_t>(output, shape, out_index); + state = apply_max<in_t>(state, value); + tensor_write<in_t>(output, shape, out_index, state); } ---- @@ -158,12 +162,12 @@ for_each(index in shape) { tensor_write<in_t>(output, shape, index, maximum<in_t>); } for_each(index in shape1) { - tmp_index = index; - tmp_index[axis]=0; - value = tensor_read<in_t>(input, shape1, index); - acc = tensor_read<in_t>(output, shape, tmp_index); - acc = apply_min<in_t>(acc, value); - tensor_write<in_t>(output, shape, tmp_index, acc); + out_index = index; + out_index[axis] = 0; + in_t value = tensor_read<in_t>(input, shape1, index); + in_t state = tensor_read<in_t>(output, shape, out_index); + state = apply_min<in_t>(state, value); + tensor_write<in_t>(output, shape, out_index, state); } ---- @@ -202,12 +206,12 @@ for_each(index in shape) { tensor_write<in_t>(output, shape, index, 1.0); } for_each(index in shape1) { - tmp_index = index; - tmp_index[axis]=0; - value = tensor_read<in_t>(input, shape1, index); - acc = tensor_read<in_t>(output, shape, tmp_index); - acc = acc * value; - tensor_write<in_t>(output, shape, tmp_index, acc); + out_index = index; + out_index[axis] = 0; + in_t value = tensor_read<in_t>(input, shape1, index); + in_t state = tensor_read<in_t>(output, shape, out_index); + state = state * value; + tensor_write<in_t>(output, shape, out_index, state); } ---- @@ -243,12 +247,12 @@ for_each(index in shape) { tensor_write<in_t>(output, shape, index, 0); } for_each(index in shape1) { - tmp_index = index; - tmp_index[axis]=0; - value = tensor_read<in_t>(input, shape1, index); - acc = tensor_read<in_t>(output, shape, tmp_index); - acc = apply_add<in_t>(acc, value); - tensor_write<in_t>(output, shape, tmp_index, acc); + out_index = index; + out_index[axis] = 0; + in_t value = tensor_read<in_t>(input, shape1, index); + in_t state = tensor_read<in_t>(output, shape, out_index); + state = apply_add<in_t>(state, value); + tensor_write<in_t>(output, shape, out_index, state); } ---- |