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ipa: raspberrypi: Change to C style code comments

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As part of the on-going refactor efforts for the source files in
src/ipa/raspberrypi/, switch all C++ style comments to C style comments.

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Naushir Patuck 2022-07-27 09:55:18 +01:00 • committed by Laurent Pinchart
parent 177df04d2b
commit acd5d9979f
55 changed files with 887 additions and 630 deletions
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40
src/ipa/raspberrypi/controller/pwl.cpp
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@ -66,11 +66,15 @@ double Pwl::eval(double x, int *spanPtr, bool updateSpan) const
int Pwl::findSpan(double x, int span) const
{
// Pwls are generally small, so linear search may well be faster than
// binary, though could review this if large PWls start turning up.
/*
* Pwls are generally small, so linear search may well be faster than
* binary, though could review this if large PWls start turning up.
*/
int lastSpan = points_.size() - 2;
// some algorithms may call us with span pointing directly at the last
// control point
/*
* some algorithms may call us with span pointing directly at the last
* control point
*/
span = std::max(0, std::min(lastSpan, span));
while (span < lastSpan && x >= points_[span + 1].x)
span++;
@ -87,7 +91,7 @@ Pwl::PerpType Pwl::invert(Point const &xy, Point &perp, int &span,
for (span = span + 1; span < (int)points_.size() - 1; span++) {
Point spanVec = points_[span + 1] - points_[span];
double t = ((xy - points_[span]) % spanVec) / spanVec.len2();
if (t < -eps) // off the start of this span
if (t < -eps) /* off the start of this span */
{
if (span == 0) {
perp = points_[span];
@ -96,14 +100,14 @@ Pwl::PerpType Pwl::invert(Point const &xy, Point &perp, int &span,
perp = points_[span];
return PerpType::Vertex;
}
} else if (t > 1 + eps) // off the end of this span
} else if (t > 1 + eps) /* off the end of this span */
{
if (span == (int)points_.size() - 2) {
perp = points_[span + 1];
return PerpType::End;
}
prevOffEnd = true;
} else // a true perpendicular
} else /* a true perpendicular */
{
perp = points_[span] + spanVec * t;
return PerpType::Perpendicular;
@ -133,9 +137,11 @@ Pwl Pwl::inverse(bool *trueInverse, const double eps) const
neither = true;
}
// This is not a proper inverse if we found ourselves putting points
// onto both ends of the inverse, or if there were points that couldn't
// go on either.
/*
* This is not a proper inverse if we found ourselves putting points
* onto both ends of the inverse, or if there were points that couldn't
* go on either.
*/
if (trueInverse)
*trueInverse = !(neither || (appended && prepended));
@ -154,8 +160,10 @@ Pwl Pwl::compose(Pwl const &other, const double eps) const
otherSpan + 1 < (int)other.points_.size() &&
points_[thisSpan + 1].y >=
other.points_[otherSpan + 1].x + eps) {
// next control point in result will be where this
// function's y reaches the next span in other
/*
* next control point in result will be where this
* function's y reaches the next span in other
*/
thisX = points_[thisSpan].x +
(other.points_[otherSpan + 1].x -
points_[thisSpan].y) *
@ -164,15 +172,17 @@ Pwl Pwl::compose(Pwl const &other, const double eps) const
} else if (abs(dy) > eps && otherSpan > 0 &&
points_[thisSpan + 1].y <=
other.points_[otherSpan - 1].x - eps) {
// next control point in result will be where this
// function's y reaches the previous span in other
/*
* next control point in result will be where this
* function's y reaches the previous span in other
*/
thisX = points_[thisSpan].x +
(other.points_[otherSpan + 1].x -
points_[thisSpan].y) *
dx / dy;
thisY = other.points_[--otherSpan].x;
} else {
// we stay in the same span in other
/* we stay in the same span in other */
thisSpan++;
thisX = points_[thisSpan].x,
thisY = points_[thisSpan].y;