TensorCheck.cpp

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#include "cloudViewer/core/TensorCheck.h"
 
#include <Helper.h>
#include <Logging.h>
 
#include <string>
 
#include "cloudViewer/core/Device.h"
#include "cloudViewer/core/Dtype.h"
#include "cloudViewer/core/Tensor.h"
 
namespace cloudViewer {
namespace core {
namespace tensor_check {
 
void AssertTensorDtype_(const char* file,
                        int line,
                        const char* function,
                        const Tensor& tensor,
                        const Dtype& dtype) {
    if (tensor.GetDtype() == dtype) {
        return;
    }
    std::string error_message =
            fmt::format("Tensor has dtype {}, but is expected to have {}.",
                        tensor.GetDtype().ToString(), dtype.ToString());
    utility::Logger::LogError_(file, line, function, error_message.c_str());
}
 
void AssertTensorDtypes_(const char* file,
                         int line,
                         const char* function,
                         const Tensor& tensor,
                         const std::vector<Dtype>& dtypes) {
    for (auto& it : dtypes) {
        if (tensor.GetDtype() == it) {
            return;
        }
    }
 
    std::vector<std::string> dtype_strings;
    for (const Dtype& dtype : dtypes) {
        dtype_strings.push_back(dtype.ToString());
    }
    std::string error_message = fmt::format(
            "Tensor has dtype {}, but is expected to have dtype among {{{}}}.",
            tensor.GetDtype().ToString(), utility::JoinStrings(dtype_strings));
    utility::Logger::LogError_(file, line, function, error_message.c_str());
}
 
void AssertTensorDevice_(const char* file,
                         int line,
                         const char* function,
                         const Tensor& tensor,
                         const Device& device) {
    if (tensor.GetDevice() == device) {
        return;
    }
    std::string error_message =
            fmt::format("Tensor has device {}, but is expected to have {}.",
                        tensor.GetDevice().ToString(), device.ToString());
    utility::Logger::LogError_(file, line, function, error_message.c_str());
}
 
void AssertTensorShape_(const char* file,
                        int line,
                        const char* function,
                        const Tensor& tensor,
                        const DynamicSizeVector& shape) {
    if (shape.IsDynamic()) {
        if (tensor.GetShape().IsCompatible(shape)) {
            return;
        }
        std::string error_message = fmt::format(
                "Tensor has shape {}, but is expected to have compatible with "
                "{}.",
                tensor.GetShape().ToString(), shape.ToString());
        utility::Logger::LogError_(file, line, function, error_message.c_str());
    } else {
        SizeVector static_shape = shape.ToSizeVector();
        if (tensor.GetShape() == static_shape) {
            return;
        }
        std::string error_message = fmt::format(
                "Tensor has shape {}, but is expected to have {}.",
                tensor.GetShape().ToString(), static_shape.ToString());
        utility::Logger::LogError_(file, line, function, error_message.c_str());
    }
}
 
}  // namespace tensor_check
}  // namespace core
}  // namespace cloudViewer