Subsections
Sawtooth generator
Sources
This block is a sawtooth wave generator: output is from to
where and denote the times of two successive input
events.
- always active: yes
- direct-feedthrough: no
- zero-crossing: no
- mode: no
- number/sizes of inputs: 0 /
- number/sizes of outputs: 1 / 1
- number/sizes of activation inputs: 1 / 1
- number/sizes of activation outputs: 0 /
- continuous-time state: no
- discrete-time state: yes
- name of computational function: sawtth
scilab/macros/scicos_blocks/sources/SAWTOOTH_f.sci
subroutine sawtth(flag,nevprt,t,xd,x,nx,z,nz,tvec,ntvec,
& rpar,nrpar,ipar,nipar,u,nu,y,ny)
c Copyright INRIA
c Scicos block simulator
c
double precision t,xd(*),x(*),z(*),tvec(*),rpar(*),u(*),y(*)
integer flag,nevprt,nx,nz,ntvec,nrpar,ipar(*)
integer nipar,nu,ny
c
c
if (flag.eq.1.and.nevprt.eq.0) then
y(1)=t-z(1)
elseif (flag.eq.1.and.nevprt.eq.1) then
y(1)=0.0d0
elseif (flag.eq.2.and.nevprt.eq.1) then
z(1)=t
elseif (flag.eq.4) then
z(1)=0.0d0
endif
return
end
Ramine Nikoukhah
2004-06-22