Function safe_div

engine/dlib/src/basis/encoder/cppspmd_math.h:36–39

Avoids dividing by zero or very small values.

// Avoids dividing by zero or very small values.
CPPSPMD_FORCE_INLINE vfloat safe_div(vfloat a, vfloat b, float fDivThresh = 1e-7f)
{
	return a / spmd_ternaryf( abs(b) > fDivThresh, b, spmd_ternaryf(b < 0.0f, -fDivThresh, fDivThresh) );
}

/*
	clang 9.0.0 for win /fp:precise release