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[poincare/zoom] Fix coding style

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Change-Id: I263e1a95023f650376bf6a1c4bb45426d52d5e4c
This commit is contained in:
Gabriel Ozouf
2020-11-25 16:03:05 +01:00
committed by EmilieNumworks
parent fdcccde996
commit 746a781016
1 changed files with 13 additions and 15 deletions
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28
poincare/src/zoom.cpp
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@@ -1,6 +1,7 @@
#include <poincare/zoom.h>
#include <float.h>
#include <algorithm>
#include <stddef.h>
namespace Poincare {
@@ -28,7 +29,7 @@ static bool DoesNotOverestimatePrecision(float dx, float y1, float y2, float y3)
* too noisy to be be of any value. */
float yMin = std::min(y1, std::min(y2, y3));
float yMax = std::max(y1, std::max(y2, y3));
constexpr float maxPrecision = 2.4e-7f; // 2^-22 ~ 10^-6.6
constexpr float maxPrecision = 2 * FLT_EPSILON;
return (yMax - yMin) / std::fabs(dx) > maxPrecision;
}
@@ -284,7 +285,7 @@ void Zoom::RangeWithRatioForDisplay(ValueAtAbscissa evaluation, float yxRatio, f
return;
}
/* The X bounds are preset, user-friendly values : we do not want them to be
/* The X bounds are preset, user-friendly values: we do not want them to be
* altered by the normalization. To that end, we use a larger unit for the
* horizontal axis, so that the Y axis is the one that will be extended. */
float xRange = bestUnit * bestMagnitude;
@@ -407,20 +408,17 @@ bool Zoom::IsConvexAroundExtremum(ValueAtAbscissa evaluation, float x1, float x2
}
void Zoom::NextUnit(float * mantissa, float * exponent) {
if (*mantissa == k_smallUnitMantissa) {
*mantissa = k_mediumUnitMantissa;
return;
float mantissaUnits[] = {k_smallUnitMantissa, k_mediumUnitMantissa, k_largeUnitMantissa};
size_t numberOfUnits = sizeof(mantissaUnits) / sizeof(float);
for (size_t i = 0; i < numberOfUnits; i++) {
if (*mantissa == mantissaUnits[i]) {
*mantissa = mantissaUnits[(i + 1) % numberOfUnits];
if (*mantissa == mantissaUnits[0]) {
*exponent *= 10.0f;
}
return;
}
}
if (*mantissa == k_mediumUnitMantissa) {
*mantissa = k_largeUnitMantissa;
return;
}
if (*mantissa == k_largeUnitMantissa) {
*mantissa = k_smallUnitMantissa;
*exponent = 10.f * *exponent;
return;
}
assert(false);
}
}