this is the interface for the BLAS ASUM routines, it will call SASUM, DASUM, SCASUM, DZASUM
Usage: result = blas_asum(x, incx)
where x is the input vector, incx is the increment.
This is not a public interface, it is used internally by pic_asum
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Functions
private pure function dasum(n, x, incx) result(res_dasum)
Arguments
Type
Intent
Optional
Attributes
Name
integer(kind=default_int),
intent(in)
::
n
real(kind=dp),
intent(in)
::
x(*)
integer(kind=default_int),
intent(in)
::
incx
Return Value
real(kind=dp)
private pure function dzasum(n, x, incx) result(res_dzasum)
Arguments
Type
Intent
Optional
Attributes
Name
integer(kind=default_int),
intent(in)
::
n
complex(kind=dp),
intent(in)
::
x(*)
integer(kind=default_int),
intent(in)
::
incx
Return Value
real(kind=dp)
private pure function sasum(n, x, incx) result(res_sasum)
Arguments
Type
Intent
Optional
Attributes
Name
integer(kind=default_int),
intent(in)
::
n
real(kind=sp),
intent(in)
::
x(*)
integer(kind=default_int),
intent(in)
::
incx
Return Value
real(kind=sp)
private pure function scasum(n, x, incx) result(res_scasum)