/* 
    Please include compiler name below (you may also include any other modules you would like to be loaded)

COMPILER= gnu

    Please include All compiler flags and libraries as you want them run. You can simply copy this over from the Makefile's first few lines
 
CC = cc
OPT = -O3
CFLAGS = -Wall -std=gnu99 $(OPT)
MKLROOT = /opt/intel/composer_xe_2013.1.117/mkl
LDLIBS = -lrt -Wl,--start-group $(MKLROOT)/lib/intel64/libmkl_intel_lp64.a $(MKLROOT)/lib/intel64/libmkl_sequential.a $(MKLROOT)/lib/intel64/libmkl_core.a -Wl,--end-group -lpthread -lm

*/

const char* dgemm_desc = "Naive, three-loop dgemm.";

/* This routine performs a dgemm operation
 *  C := C + A * B
 * where A, B, and C are lda-by-lda matrices stored in column-major format.
 * On exit, A and B maintain their input values. */    
void square_dgemm (int n, double* A, double* B, double* C)
{
  /* For each row i of A */
  for (int i = 0; i < n; ++i)
    /* For each column j of B */
    for (int j = 0; j < n; ++j) 
    {
      /* Compute C(i,j) */
      double cij = C[i+j*n];
      for( int k = 0; k < n; k++ )
	cij += A[i+k*n] * B[k+j*n];
      C[i+j*n] = cij;
    }
}