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Added a couple of methods to Range.

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jules 2014-03-17 21:53:56 +00:00
parent b026fccb92
commit 9dcdea59a7
1 changed files with 27 additions and 0 deletions
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27
modules/juce_core/maths/juce_Range.h
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@ -237,6 +237,13 @@ public:
jmax (end, other.end));
}
/** Returns the smallest range that contains both this one and the given value. */
Range getUnionWith (const ValueType valueToInclude) const noexcept
{
return Range (jmin (valueToInclude, start),
jmax (valueToInclude, end));
}
/** Returns a given range, after moving it forwards or backwards to fit it
within this range.
@ -255,6 +262,26 @@ public:
: rangeToConstrain.movedToStartAt (jlimit (start, end - otherLen, rangeToConstrain.getStart()));
}
/** Scans an array of values for its min and max, and returns these as a Range. */
static Range findMinAndMax (const ValueType* values, int numValues) noexcept
{
if (numValues <= 0)
return Range();
const ValueType first (*values++);
Range r (first, first);
while (--numValues > 0) // (> 0 rather than >= 0 because we've already taken the first sample)
{
const ValueType v (*values++);
if (r.end < v) r.end = v;
if (v < r.start) r.start = v;
}
return r;
}
private:
//==============================================================================
ValueType start, end;