From 4dba55ca4aecc279411659aa77dbb78137e68a02 Mon Sep 17 00:00:00 2001 From: Christian Bauer Date: Thu, 9 Oct 2003 21:07:36 +0000 Subject: [PATCH] compare(ex(0)) -> is_zero() --- check/exam_differentiation.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/check/exam_differentiation.cpp b/check/exam_differentiation.cpp index 33b13b1f..8f739ff4 100644 --- a/check/exam_differentiation.cpp +++ b/check/exam_differentiation.cpp @@ -26,7 +26,7 @@ static unsigned check_diff(const ex &e, const symbol &x, const ex &d, unsigned nth=1) { ex ed = e.diff(x, nth); - if ((ed - d).compare(ex(0)) != 0) { + if (!(ed - d).is_zero()) { switch (nth) { case 0: clog << "zeroth "; @@ -223,7 +223,7 @@ static unsigned exam_differentiation6() ed = series_to_poly(ed); d = series_to_poly(d); - if ((ed - d).compare(ex(0)) != 0) { + if (!(ed - d).is_zero()) { clog << "derivative of " << e << " by " << x << " returned " << ed << " instead of " << d << ")" << endl; return 1; -- 2.44.0