loop1f.f

数值计算工具库,C语言编写的,可以直接调用.

      SUBROUTINE loop1_F77(N, x, y)
      INTEGER i, N
      REAL*8 x(N), y(N)

      DO i=1,N
          x(i)=sqrt(y(i))
      END DO
      RETURN
      END


      SUBROUTINE loop1_F77Overhead(N, x, y)
      INTEGER i, N
      REAL*8 x(N), y(N)
      RETURN
      END