dcabs1.f

来自「贝尔实验室多年开发的矩阵计算程序库的说明文件」· F 代码 · 共 17 行

      DOUBLE PRECISION FUNCTION DCABS1(Z)
*     .. Scalar Arguments ..
      DOUBLE COMPLEX Z
*     ..
*     ..
*  Purpose
*  =======
*
*  DCABS1 computes absolute value of a double complex number 
*
*     .. Intrinsic Functions ..
      INTRINSIC ABS,DBLE,DIMAG
*
      DCABS1 = ABS(DBLE(Z)) + ABS(DIMAG(Z))
      RETURN
      END