time-to-botec/squiggle/node_modules/@stdlib/blas/base/sasum/src/sasumsub.f
NunoSempere b6addc7f05 feat: add the node modules
Necessary in order to clearly see the squiggle hotwiring.
2022-12-03 12:44:49 +00:00

47 lines
1.3 KiB
Fortran

!>
! @license Apache-2.0
!
! Copyright (c) 2018 The Stdlib Authors.
!
! Licensed under the Apache License, Version 2.0 (the "License");
! you may not use this file except in compliance with the License.
! You may obtain a copy of the License at
!
! http://www.apache.org/licenses/LICENSE-2.0
!
! Unless required by applicable law or agreed to in writing, software
! distributed under the License is distributed on an "AS IS" BASIS,
! WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
! See the License for the specific language governing permissions and
! limitations under the License.
!<
!> Wraps `sasum` as a subroutine.
!
! @param {integer} N - number of values to sum
! @param {Array<real>} sx - input array
! @param {integer} stride - stride length
! @param {real} sum - output variable reference
!<
subroutine sasumsub( N, sx, stride, sum )
implicit none
! ..
! External functions:
interface
real function sasum( N, sx, stride )
integer :: stride, N
real :: sx(*)
end function sasum
end interface
! ..
! Scalar arguments:
integer :: stride, N
real :: sum
! ..
! Array arguments:
real :: sx(*)
! ..
! Compute the sum of absolute values:
sum = sasum( N, sx, stride )
return
end subroutine sasumsub