OpenBLAS/kernel/generic/zimatcopy_cn.c

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#include "common.h"

/*****************************************************
 * 2015-09-07 grisuthedragon
******************************************************/

int CNAME(BLASLONG rows, BLASLONG cols, FLOAT alpha_r, FLOAT alpha_i, FLOAT *a , BLASLONG lda)
{
	BLASLONG i,j,ia;
	FLOAT *aptr;
    FLOAT a0, a1; 

	if ( rows <= 0     )  return(0);
	if ( cols <= 0     )  return(0);
    if ( alpha_r == 1.0 && alpha_i == 0.0) return(0); 

	aptr = a;

	lda *= 2;

	for ( i=0; i<cols ; i++ )
	{
		ia = 0;

		for(j=0; j<rows; j++)
		{
            a0 = aptr[ia]; 
            a1 = aptr[ia+1]; 
			aptr[ia]   = alpha_r * a0   - alpha_i * a1;
			aptr[ia+1] = alpha_r * a1   + alpha_i * a0;
			ia+=2;
		}
		aptr += lda;
	}

	return(0);

}