---
name: "lsamen"
section: "3lapack"
platform: "linux"
package: "liblapack-doc"
version: "3.2.1-8"
release: "Debian 6.0 (Squeeze)"
platforms: ["linux"]
url: "https://new.carta.tech/lsamen/3lapack"
---

# lsamen(3lapack)

tests if the first N letters of CA are the same as the first N letters of CB, regardless of case

## NAME

LSAMEN - tests if the first N letters of CA are the same as the first N letters of CB, regardless of case

## SYNOPSIS

- LOGICAL FUNCTION

  LSAMEN( N, CA, CB )

- CHARACTER\*(

  \* ) CA, CB

- INTEGER

  N

## PURPOSE

LSAMEN  tests if the first N letters of CA are the same as the first N letters of CB, regardless of case. LSAMEN returns .TRUE. if CA and CB are equivalent except for case and .FALSE. otherwise.  LSAMEN also returns .FALSE. if LEN( CA ) or LEN( CB ) is less than N.\

## ARGUMENTS

- N (input) INTEGER

  The number of characters in CA and CB to be compared.

- CA (input) CHARACTER\*(\*)

  CB      (input) CHARACTER\*(\*) CA and CB specify two character strings of length at least N. Only the first N characters of each string will be accessed.