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Everywhere: Add -Wdouble-promotion warning

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This warning informs of float-to-double conversions. The best solution
seems to be to do math *either* in 32-bit *or* in 64-bit, and only to
cross over when absolutely necessary.
This commit is contained in:
Nicholas-Baron 2021-04-15 00:36:14 -07:00 • committed by Andreas Kling
parent 6606d70826
commit 73dd293ec4
26 changed files with 105 additions and 98 deletions
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12
Userland/Libraries/LibWeb/HTML/CanvasRenderingContext2D.cpp
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@ -219,13 +219,13 @@ DOM::ExceptionOr<void> CanvasRenderingContext2D::ellipse(float x, float y, float
if (radius_y < 0)
return DOM::IndexSizeError::create(String::formatted("The minor-axis radius provided ({}) is negative.", radius_y));
if ((!counter_clockwise && (end_angle - start_angle) >= M_TAU)
|| (counter_clockwise && (start_angle - end_angle) >= M_TAU)) {
if (constexpr float tau = M_TAU; (!counter_clockwise && (end_angle - start_angle) >= tau)
|| (counter_clockwise && (start_angle - end_angle) >= tau)) {
start_angle = 0;
end_angle = M_TAU;
end_angle = tau;
} else {
start_angle = fmodf(start_angle, M_TAU);
end_angle = fmodf(end_angle, M_TAU);
start_angle = fmodf(start_angle, tau);
end_angle = fmodf(end_angle, tau);
}
// Then, figure out where the ends of the arc are.
@ -263,7 +263,7 @@ DOM::ExceptionOr<void> CanvasRenderingContext2D::ellipse(float x, float y, float
m_path.move_to(start_point);
auto delta_theta = end_angle - start_angle;
double delta_theta = end_angle - start_angle;
// FIXME: This is still goofy for some values.
m_path.elliptical_arc_to(end_point, { radius_x, radius_y }, rotation, delta_theta > M_PI, !counter_clockwise);