From 78178b45c79a3fb909e9214664dc7dc1c577bed9 Mon Sep 17 00:00:00 2001 From: gregory guy Date: Fri, 22 May 2020 12:41:39 +0200 Subject: [PATCH] Use PI's value from the C lib. Signed-off-by: gregory guy (cherry picked from commit 8bc51aef53e4d9de236ca4f19806b32da1cc0525) --- src/graphwidget.cpp | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/src/graphwidget.cpp b/src/graphwidget.cpp index c412520..b2911c0 100644 --- a/src/graphwidget.cpp +++ b/src/graphwidget.cpp @@ -543,9 +543,9 @@ void GraphWidget::drawEdge(const TQString& sCaller, const TQString& sCallee, // Draw the edge pEdge->show(); } - -#define PI 3.14159265 - +#ifndef M_PI +#define M_PI 3.14159265 +#endif /** * Sets and computes values used for drawing arrows. * Initialises the static ArroInfo structure, which is passed in drawEdge(). @@ -558,7 +558,7 @@ void GraphWidget::setArrowInfo(int nLength, int nDegrees) double dRad; // Turn degrees into radians - dRad = ((double)nDegrees) * PI / 180.0; + dRad = ((double)nDegrees) * M_PI / 180.0; s_ai.m_dLength = (double)nLength; s_ai.m_dTan = tan(dRad);