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Functions should always return a value

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fredb 2009-05-16 09:39:10 +00:00 • committed by Tim Moore
parent b07ad149ae
commit 25c633af3e
1 changed files with 2 additions and 11 deletions
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13
src/AIModel/AIThermal.cxx
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@ -120,27 +120,23 @@ void FGAIThermal::update(double dt) {
double FGAIThermal::get_strength_fac(double alt_frac) {
double PI = 4.0 * atan(1.0);
double fac;
double fac = 0.0;
if ( alt_frac <=0.0 ) { // do submarines get thermals ?
fac = 0.0;
return fac;
}
else if ( ( alt_frac>0.0 ) && (alt_frac<=0.1) ) { // ground layer
fac = ( 0.1*( pow( (10.0*alt_frac),10.0) ) );
return fac;
}
else if ( ( alt_frac>0.1 ) && (alt_frac<=1.0) ) { // main body of the thermal
fac = 0.4175 - 0.5825* ( cos ( PI* (1.0-sqrt(alt_frac) ) +PI) ) ;
return fac;
}
else if ( ( alt_frac >1.0 ) && (alt_frac < 1.1 ) ) { //above the ceiling, but not above the cloud
fac = (0.5 * ( 1.0 + cos ( PI*( (-2.0*alt_frac)*5.0 ) ) ) );
return fac;
}
else if ( alt_frac >= 1.1 ) { //above the cloud
fac = 0.0;
return fac;
}
return fac;
}
@ -255,12 +251,7 @@ double Vup;
// environment variables
// *********************
// the windspeed at the user alt in KT
double windspeed;
// the wind heading at the user alt
double wind_heading;
double wind_heading_deg;
double wind_heading_rad;
// the "ambient" sink outside thermals