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Change PI* to M_PI* in SpecialFunctions to avoid possible breakage

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with external DEFINEs.
This commit is contained in:
Eugene Brevdo 2015-12-28 17:34:06 -08:00
parent 14897600b7
commit afb35385bf
1 changed files with 5 additions and 5 deletions
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10
Eigen/src/Core/SpecialFunctions.h
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@ -189,7 +189,7 @@ struct digamma_impl<float> {
bool negative; bool negative;
// Some necessary constants // Some necessary constants
const float PIF = 3.141592653589793238; const float M_PIF = 3.141592653589793238;
const float MAXNUMF = std::numeric_limits<float>::infinity(); const float MAXNUMF = std::numeric_limits<float>::infinity();
const float A[] = { const float A[] = {
@ -215,7 +215,7 @@ struct digamma_impl<float> {
p += 1.0f; p += 1.0f;
nz = q - p; nz = q - p;
} }
nz = PIF / ::tan(PIF * nz); nz = M_PIF / ::tan(M_PIF * nz);
} else { } else {
nz = 0.0f; nz = 0.0f;
} }
@ -315,7 +315,7 @@ struct digamma_impl<double> {
}; };
const double MAXNUM = std::numeric_limits<double>::infinity(); const double MAXNUM = std::numeric_limits<double>::infinity();
const double PI = 3.14159265358979323846; const double M_PI = 3.14159265358979323846;
negative = 0; negative = 0;
nz = 0.0; nz = 0.0;
@ -327,7 +327,7 @@ struct digamma_impl<double> {
if (p == q) { if (p == q) {
return MAXNUM; return MAXNUM;
} }
/* Remove the zeros of tan(PI x) /* Remove the zeros of tan(M_PI x)
* by subtracting the nearest integer from x * by subtracting the nearest integer from x
*/ */
nz = q - p; nz = q - p;
@ -336,7 +336,7 @@ struct digamma_impl<double> {
p += 1.0; p += 1.0;
nz = q - p; nz = q - p;
} }
nz = PI / ::tan(PI * nz); nz = M_PI / ::tan(M_PI * nz);
} }
else { else {
nz = 0.0; nz = 0.0;