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[apps/regression] Use cmath for sin and cos functions

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Change-Id: I670eda49a73d9bf1d1d75194178344adda9b1014
This commit is contained in:
Hugo Saint-Vignes
2020-11-25 11:41:05 +01:00
committed by EmilieNumworks
parent c55eb6b028
commit 1025fd9937
1 changed files with 5 additions and 5 deletions
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10
apps/regression/model/trigonometric_model.cpp
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@@ -9,8 +9,8 @@
#include <poincare/preferences.h>
#include <poincare/sine.h>
#include <poincare/symbol.h>
#include <math.h>
#include <assert.h>
#include <cmath>
using namespace Poincare;
using namespace Shared;
@@ -43,7 +43,7 @@ double TrigonometricModel::evaluate(double * modelCoefficients, double x) const
double d = modelCoefficients[3];
double radian = toRadians(Poincare::Preferences::sharedPreferences()->angleUnit());
// sin() is here defined for radians, so b*x+c are converted in radians.
return a * sin(radian * (b * x + c)) + d;
return a * std::sin(radian * (b * x + c)) + d;
}
double TrigonometricModel::partialDerivate(double * modelCoefficients, int derivateCoefficientIndex, double x) const {
@@ -60,15 +60,15 @@ double TrigonometricModel::partialDerivate(double * modelCoefficients, int deriv
* radians. The added coefficient also appear in derivatives. */
if (derivateCoefficientIndex == 0) {
// Derivate with respect to a: sin(b*x+c)
return sin(radian * (b * x + c));
return std::sin(radian * (b * x + c));
}
if (derivateCoefficientIndex == 1) {
// Derivate with respect to b: x*a*cos(b*x+c);
return radian * x * a * cos(radian * (b * x + c));
return radian * x * a * std::cos(radian * (b * x + c));
}
assert(derivateCoefficientIndex == 2);
// Derivate with respect to c: a*cos(b*x+c)
return radian * a * cos(radian * (b * x + c));
return radian * a * std::cos(radian * (b * x + c));
}
void TrigonometricModel::specializedInitCoefficientsForFit(double * modelCoefficients, double defaultValue, Store * store, int series) const {