JNIEnv *env, jclass klass, jfloatArray mat1, jfloatArray mat2) { jboolean isCopyA, isCopyB; float*A = static_cast<float*>(env->GetPrimitiveArrayCritical(mat1, &isCopyA)); float*B = static_cast<float*>(env->GetPrimitiveArrayCritical(mat2, &isCopyB)); ...
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