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AP_Math: remove warnings from constrain_value() 

Return type is T which can be an integral type, float or double. By
dividing by 2 we avoid float operation on the first case and do the
right thing on the second and third.
This commit is contained in:
Lucas De Marchi 2017-01-24 10:00:38 -08:00
parent 2605c7265b
commit 82d210144b
1 changed files with 2 additions and 2 deletions
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4
libraries/AP_Math/AP_Math.cpp
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@ -176,10 +176,10 @@ template <class T>
T constrain_value(const T amt, const T low, const T high) T constrain_value(const T amt, const T low, const T high)
{ {
// the check for NaN as a float prevents propagation of floating point // the check for NaN as a float prevents propagation of floating point
// errors through any function that uses constrain_float(). The normal // errors through any function that uses constrain_value(). The normal
// float semantics already handle -Inf and +Inf // float semantics already handle -Inf and +Inf
if (isnan(amt)) { if (isnan(amt)) {
return (low + high) * 0.5f; return (low + high) / 2;
} }
if (amt < low) { if (amt < low) {