From 93c8f1606f63ab2bac5d044f5174dfee75da57ca Mon Sep 17 00:00:00 2001 From: cristy Date: Tue, 11 Dec 2012 12:52:51 +0000 Subject: [PATCH] --- MagickCore/resample.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/MagickCore/resample.c b/MagickCore/resample.c index fdeab03414..225d446b5c 100644 --- a/MagickCore/resample.c +++ b/MagickCore/resample.c @@ -894,7 +894,8 @@ static inline void ClampUpAxes(const double dux,const double dvx, const double frobenius_squared = n11+n22; const double discriminant = (frobenius_squared+twice_det)*(frobenius_squared-twice_det); - const double sqrt_discriminant = sqrt(discriminant); + const double sqrt_discriminant = + sqrt(discriminant < -0.0 ? 0.0 : discriminant); /* * s1 is the largest singular value of the inverse Jacobian * matrix. In other words, its reciprocal is the smallest singular