);
if(M != 0)
NormalizationConstants[BasisIndex] *= FMath::Sqrt(2.f);
M++;
if(M > L)
{
L++;
M = -L;
}
}
return 0;
}
static int32 InitDummy = InitSHTables();
/** So that e.g. LP(1,1,1) which evaluates to -sqrt(1-1^2) is 0.*/
FORCEINLINE float SafeSqrt(float F)
{
return FMath::Abs(F) > KINDA_SMALL_NUMBER ? FMath::Sqrt(F) : 0.f;
}
/** Evaluates the LegendrePolynomial for L,M at X */
float LegendrePolynomial(int32 L,int32 M,float X)
{
switch(L)
{
case 0:
return 1;
case 1:
);
if(M != 0)
NormalizationConstants[BasisIndex] *= appSqrt(2.f);
M++;
if(M > L)
{
L++;
M = -L;
}
}
return 0;
}
static INT InitDummy = InitSHTables();
/** So that e.g. LP(1,1,1) which evaluates to -sqrt(1-1^2) is 0.*/
FORCEINLINE FLOAT SafeSqrt(FLOAT F)
{
return Abs(F) > KINDA_SMALL_NUMBER ? appSqrt(F) : 0.f;
}
/** Evaluates the LegendrePolynomial for L,M at X */
FORCEINLINE FLOAT LegendrePolynomial(INT L,INT M,FLOAT X)
{
switch(L)
{
case 0:
return 1;
case 1:
