Add isfinite and isnan and their test.

src/Function1D.cpp

@@ -4,6 +4,7 @@
 
 //必须在Eigen之前
 #include "AuroraDefs.h"
+#include "Function3D.h"
 #include "Matrix.h"
 
 #include <cstddef>
@@ -747,6 +748,22 @@ void Aurora::nantoval(Matrix& aMatrix, double val2) {
     srcV = srcV.array().isNaN().select(val2,srcV);
 }
 
+Matrix Aurora::isnan(Matrix& aMatrix){
+    Eigen::Map<Eigen::VectorXd> srcV(aMatrix.getData(),aMatrix.getDataSize());
+    auto result = zeros(aMatrix.getDimSize(0),aMatrix.getDimSize(1),aMatrix.getDimSize(2));
+    Eigen::Map<Eigen::VectorXd> resultV(result.getData(),result.getDataSize());
+    resultV = srcV.array().isNaN().select(1.0,resultV);
+    return result;
+}
+
+Matrix Aurora::isfinite(Matrix& aMatrix){
+    Eigen::Map<Eigen::VectorXd> srcV(aMatrix.getData(),aMatrix.getDataSize());
+    auto result = zeros(aMatrix.getDimSize(0),aMatrix.getDimSize(1),aMatrix.getDimSize(2));
+    Eigen::Map<Eigen::VectorXd> resultV(result.getData(),result.getDataSize());
+    resultV = srcV.array().isFinite().select(1.0,resultV);
+    return result;
+}
+
 void Aurora::padding(Matrix &aMatrix, int aIndex, double aValue)
 {
     if(aMatrix.isNull() || !aMatrix.isVector())

src/Function1D.h

@@ -2,6 +2,7 @@
 #define AURORA_FUNCTION1D_H
 
 #include "Matrix.h"
+#include <cmath>
 
 namespace Aurora {
 
@@ -104,6 +105,11 @@ namespace Aurora {
      */
     void nantoval(Matrix& aMatrix,double val);
 
+
+    Matrix isnan(Matrix& aMatrix);
+
+    Matrix isfinite(Matrix& aMatrix);
+
     /**
      * 使用特定值补齐矩阵，默认为设置原数据矩阵数据到制定长度索引的所有值为制定值
      * @attention 直接在原数据上进行修改！