JNIEnv->GetMethodID for createRealMatrix(double [][] data) in org/apache/commons/math3/linear/Mat
JNIEnv->GetMethodID for createRealMatrix(double [][] data) in org/apache/commons/math3/linear/MatrixUtils
这是我拥有的摘要:
...
jclass jrmc = jenv->FindClass("org/apache/commons/math3/linear/MatrixUtils");
jmethodID jmid = jenv->GetMethodID(jrmc, "createRealMatrix",
"([[D)Lorg/apache/commons/math3/linear/RealMatrix;");
....
基于我从org.apache.commons.math3.linear.matrixutils和jni type doc的理解,这似乎应该找到该方法。显然我缺少一些东西。
为什么上述代码不起作用?注意jrmc不是0,这是引起问题的GetMethodID
的呼叫(java.lang.NoSuchMethodError
)。
该方法是静态方法。您需要改用GetStaticMethodID()
。
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- JNIEnv->GetMethodID for createRealMatrix(double [][] data) in org/apache/commons/math3/linear/Mat