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// gtest 冒烟：验证测试工具链（vcpkg gtest + ctest）已就绪。
// 随 core/data/algo 实现，逐步替换为真实用例
//（坐标 rebase/轴向、colorBar LUT 映射、v[j][i] 灌点序、IDW 正确性 等，设计 §12）。
#include <gtest/gtest.h>
TEST(SmokeTest, ToolchainWorks)
{
EXPECT_EQ(1 + 1, 2);
}