[posts/math-libraries-intro] Fix makefile and make examples uniform (#45)

Author: gabrielle9talavera

posts/math-libraries-intro/Makefile

@@ -28,8 +28,8 @@ BINARIES= cublas-example openblas-example
 
 all: $(BINARIES)
 
-openblas-example: openblas-example.c Makefile
-	g++ -std=c++11 -pthread -O3 -Wall openblas-example.c -o openblas-example -lopenblas -lpthread -lm
+openblas-example: openblas-example.cpp Makefile
+	g++ -std=c++11 -pthread -O3 -Wall openblas-example.cpp -o openblas-example -lopenblas -lpthread -lm
 
 cublas-example: cublas-example.cu Makefile
 	nvcc -lcublas -std=c++11 cublas-example.cu  -o cublas-example 

posts/math-libraries-intro/openblas-example.cpp

@@ -35,7 +35,7 @@ int main(int argc, char *argv[]){
     std::vector<double> C(m * n);
 
     for (l = 0; l < loops; l++)
-        cblas_dgemm(CblasColMajor, CblasNoTrans, CblasTrans, m, n, k, alpha, A.data(), lda, B.data(), ldb, beta, C.data(), ldc);
+        cblas_dgemm(CblasColMajor, CblasNoTrans, CblasNoTrans, m, n, k, alpha, A.data(), lda, B.data(), ldb, beta, C.data(), ldc);
 
     stop = std::chrono::high_resolution_clock::now( );
     elapsed_cpu_ms = stop - start;