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[Frama-c-discuss] \is_finite and \is_NaN assert

  • Subject: [Frama-c-discuss] \is_finite and \is_NaN assert
  • From: Arthur.CLAVIERE at student.isae-supaero.fr (CLAVIERE Arthur)
  • Date: Tue, 20 Jun 2017 19:07:53 +0200
It seems to me that 0/0 produces a NaN but in the following program, using wp and the float model, I can prove the \is_finite assert and the \is_NaN assert remains unknown. What is it due to ?

void main(int argc, char *argv[]){
    
    float x = 0.0f/0.0f;
    //@ assert \is_finite(x);
    //@ assert \is_NaN(x);

    
}

Regards,

--
  
Arthur CLAVIÈRE
Elève ingénieur SUPAERO - 2A
ISAE SUPAERO - Institut Supérieur de l'Aéronautique et de l'Espace
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