diff options
| -rw-r--r-- | src/graphwidget.cpp | 8 |
1 files 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); |