From: Richard Kreckel <Richard.Kreckel@uni-mainz.de>
Date: Mon, 23 Sep 2002 19:46:18 +0000 (+0000)
Subject: * numeric::print(): increase precision for C source output.
X-Git-Tag: release_1-1-0~72
X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?a=commitdiff_plain;h=adb0aca7d87b9dbf8639f9fa5d8e468271fa955c;p=ginac.git

* numeric::print(): increase precision for C source output.
---

diff --git a/ginac/numeric.cpp b/ginac/numeric.cpp
index 005e57e3..e78a3c05 100644
--- a/ginac/numeric.cpp
+++ b/ginac/numeric.cpp
@@ -355,6 +355,11 @@ void numeric::print(const print_context & c, unsigned level) const
 
 		std::ios::fmtflags oldflags = c.s.flags();
 		c.s.setf(std::ios::scientific);
+		int oldprec = c.s.precision();
+		if (is_a<print_csrc_double>(c))
+			c.s.precision(16);
+		else
+			c.s.precision(7);
 		if (this->is_rational() && !this->is_integer()) {
 			if (compare(_num0) > 0) {
 				c.s << "(";
@@ -382,6 +387,7 @@ void numeric::print(const print_context & c, unsigned level) const
 				c.s << to_double();
 		}
 		c.s.flags(oldflags);
+		c.s.precision(oldprec);
 
 	} else {
 		const std::string par_open  = is_a<print_latex>(c) ? "{(" : "(";