git-svn-id: svn://db.shs.com.ru/pip@999 12ceb7fc-bf1f-11e4-8940-5bc7170c53b5

2020-03-31 08:48:43 +00:00
parent e19266aeeb
commit cff1555421
1 changed files with 1 additions and 3 deletions
--- a/src_main/math/pievaluator.cpp
+++ b/src_main/math/pievaluator.cpp
@@ -1039,9 +1039,7 @@ inline void PIEvaluator::execFunction(const Instruction & ci) {
 		tmpvars[oi].value = atanc(value(ci.operators[0]));
 		break;
 	case bfArcctg:
-		tmp = atanc(value(ci.operators[0]));
-		if (tmp == complexd_0) tmpvars[oi].value = 0.;
-		else tmpvars[oi].value = complexd_1 / tmp;
+		tmpvars[oi].value = atanc(-value(ci.operators[0])) + M_PI_2;
 		break;
 	case bfSh:
 		tmpvars[oi].value = sinh(value(ci.operators[0]));