POSTONEG_f - Threshold positive to negative (original) (raw)

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Scilab help >> Xcos > palettes > Zero crossing detection palette > POSTONEG_f

Threshold positive to negative

Block Screenshot

Contents

• Threshold positive to negative
• • Palette
  • Description
  • Default properties
  • Interfacing function
  • Computational function
  • Authors

Palette

• Zero crossing detection palette

Description

An output event is generated when the unique input crosses zero with a negative slope.

Default properties

• always active: no
• direct-feedthrough: yes
• zero-crossing: yes
• mode: no
• regular inputs:
  - port 1 : size [1,1] / type 1
• number/sizes of activation inputs: 0
• number/sizes of activation outputs: 1
• continuous-time state: no
• discrete-time state: no
• object discrete-time state: no
• name of computational function: zcross

Interfacing function

• SCI/modules/scicos_blocks/macros/Threshold/POSTONEG_f.sci

Computational function

• SCI/modules/scicos_blocks/src/fortran/zcross.f (Type 1)

Authors

Ramine Nikoukhah - INRIA