From 79943cf13e65e3f74cae893eab948d79997d79f3 Mon Sep 17 00:00:00 2001 From: "Vladimir V. Kisil" Date: Wed, 22 Apr 2015 15:09:14 +0100 Subject: [PATCH 2/3] Fixed: pow::info(info_flags::nonnegative). Fixed: pow::info(info_flags::nonnegative) is now true if pow::info(info_flags::positive is true) Signed-off-by: Vladimir V. Kisil --- ginac/power.cpp | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/ginac/power.cpp b/ginac/power.cpp index 82200d7..cb1e5e7 100644 --- a/ginac/power.cpp +++ b/ginac/power.cpp @@ -243,7 +243,8 @@ bool power::info(unsigned inf) const case info_flags::positive: return basis.info(info_flags::positive) && exponent.info(info_flags::real); case info_flags::nonnegative: - return basis.info(info_flags::real) && exponent.info(info_flags::integer) && exponent.info(info_flags::even); + return (basis.info(info_flags::positive) && exponent.info(info_flags::real)) + || (basis.info(info_flags::real) && exponent.info(info_flags::integer) && exponent.info(info_flags::even)); case info_flags::has_indices: { if (flags & status_flags::has_indices) return true; -- 2.1.4