X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/86188201e4a5e76f7e0131c71f700b638458e9c9..c2c36bb9b8f9f004079e2eb3064ccd25191ada87:/src/surf/maxmin.c diff --git a/src/surf/maxmin.c b/src/surf/maxmin.c index 6f84c21b33..eb9ff1ec96 100644 --- a/src/surf/maxmin.c +++ b/src/surf/maxmin.c @@ -333,6 +333,7 @@ static void saturated_variable_set_update(lmm_system_t sys) } void lmm_print(lmm_system_t sys) + { lmm_constraint_t cnst = NULL; lmm_element_t elem = NULL; @@ -386,7 +387,7 @@ void lmm_print(lmm_system_t sys) } DEBUG1("%s",trace_buf); trace_buf[0]='\000'; - xbt_assert3((sum<=cnst->bound), "Incorrect value (%f is not smaller than %f): %g", + xbt_assert3(!double_positive(sum-cnst->bound), "Incorrect value (%f is not smaller than %f): %g", sum,cnst->bound,sum-cnst->bound); } @@ -394,7 +395,7 @@ void lmm_print(lmm_system_t sys) xbt_swag_foreach(var, var_list) { if(var->bound>0) { DEBUG4("'%p'(%f) : %f (<=%f)",var,var->weight,var->value, var->bound); - xbt_assert0((var->value<=var->bound), "Incorrect value"); + xbt_assert0(!double_positive(var->value-var->bound), "Incorrect value"); } else DEBUG3("'%p'(%f) : %f",var,var->weight,var->value); @@ -646,100 +647,3 @@ void lmm_set_default_protocol_functions(double (* func_f) (lmm_variable_t var func_fpip_def = func_fpip; } - -/* - * NOTE for Reno: all functions consider the network - * coeficient (alpha) equal to 1. - */ - -/* - * For Vegas f: $\alpha_f d_f \log\left(x_f\right)$ - */ -double func_vegas_f(lmm_variable_t var, double x){ - return var->df * log(x); -} - -/* - * For Vegas fp: $\frac{\alpha D_f}{x}$ - */ -double func_vegas_fp(lmm_variable_t var, double x){ - //avoid a disaster value - c'est du bricolage mais ca marche - if(x == 0) x = 10e-8; - return var->df/x; -} - -/* - * For Vegas fpi: $\frac{\alpha D_f}{x}$ - */ -double func_vegas_fpi(lmm_variable_t var, double x){ - //avoid a disaster value - c'est du bricolage mais ca marche - if(x == 0) x = 10e-8; - return var->df/x; -} - -/* - * For Vegas fpip: $-\frac{\alpha D_f}{x^2}$ - */ -double func_vegas_fpip(lmm_variable_t var, double x){ - //avoid a disaster value - c'est du bricolage mais ca marche - if(x == 0) x = 10e-8; - return -( var->df/(x*x) ) ; -} - - -/* - * For Reno f: $\frac{\sqrt{\frac{3}{2}}}{D_f} \arctan\left(\sqrt{\frac{3}{2}}x_f D_f\right)$ - */ -double func_reno_f(lmm_variable_t var, double x){ - xbt_assert0( var->df, "Please report this bug."); - // \sqrt{3/2} = 0.8164965808 - return (0.8164965808 / var->df) * atan( (0.8164965808 / var->df)*x ); -} - -/* - * For Reno fp: $\frac{3}{3 {D_f}^2 x^2 + 2}$ - */ -double func_reno_fp(lmm_variable_t var, double x){ - return 3 / (3*var->df*var->df*x*x + 2); -} - -/* - * For Reno fpi: $\sqrt{\frac{1}{{D_f}^2 x} - \frac{2}{3{D_f}^2}}$ - */ -double func_reno_fpi(lmm_variable_t var, double x){ - double res_fpi; - xbt_assert0( var->df, "Please report this bug."); - - //avoid a disaster value - c'est du bricolage mais ca marche pas .... - if(x == 0) x = 10e-16; - - res_fpi = 1/(var->df*var->df*x) - 2/(3*var->df*var->df); - - //avoid a disaster value of res_fpi - if(res_fpi < 0.0) return 0.0; - else return sqrt(res_fpi); -} - -/* - * For Reno fpip: $-\frac{1}{2 {D_f}^2 x^2\sqrt{\frac{1}{{D_f}^2 x} - \frac{2}{3{D_f}^2}}}$ - */ -double func_reno_fpip(lmm_variable_t var, double x){ - double res_fpip; - double critical_test; - - xbt_assert0(var->df,"Please report this bug."); - - //avoid division by zero - c'est du bricolage mais ca marche - if(x == 0) x = 10e-16; - - res_fpip = 1/(var->df*var->df*x) - 2/(3*var->df*var->df); - - //avoid square root of negative number - if(res_fpip < 0.0) return 0.0; - - //avoid division by zero - critical_test = (2*var->df*var->df*x*x*sqrt(res_fpip)); - - if(critical_test == 0.0) return 0.0; - else return -(1/critical_test); -}