---
title: ?cabs1
description: "对复数的实部和虚部分别取绝对值，并相加。"
url: https://www.hikunpeng.com/document/detail/zh/hpchistory/hpckit/develop2400/kunpengaccel_kml_0640.html
sourcePath: /source/zh/hpchistory/hpckit/develop2400/kunpengaccel_kml_0640.html
indexId: a5fca8a2f7c59b8a44bf2478553d89ea12372ba08ab463172ff37a743ff8038567
---
# ?cabs1

对复数的实部和虚部分别取绝对值，并相加。

即y = |Re(A)| + |Im(A)|。

#### 接口定义

Fortran interface：

RES = SCABS1(A)

RES = DCABS1(A)


#### 返回值

返回计算结果。