Commit cb20cb9f authored by Sebastian Hütter's avatar Sebastian Hütter
Browse files

Add range checks for MathSpecial::fm_exp

parent a231197c

src/math_special.cpp

+2 −0
Original line number Diff line number Diff line
@@ -538,6 +538,8 @@ double MathSpecial::exp2_x86(double x) 
double MathSpecial::fm_exp(double x)

{

#if defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)

    if (x < -1022.0/FM_DOUBLE_LOG2OFE) return 0;

    if (x > 1023.0/FM_DOUBLE_LOG2OFE) return INFINITY;

    return exp2_x86(FM_DOUBLE_LOG2OFE * x);

#else

    return ::exp(x);

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