diff options
| author | pragat-pandya <pragat.pandya@gmail.com> | 2022-03-29 16:25:15 +0530 |
|---|---|---|
| committer | Hossein <hossein@libreoffice.org> | 2022-03-31 13:51:34 +0200 |
| commit | a31aadb1ef7dfdd4ae76a15707ab51a82c95d868 (patch) | |
| tree | 0cf5626a67b7c3a18b546c3e9d4d2c96b62dfbbf /vcl/workben/svptest.cxx | |
| parent | 9f041e7678521074b09b20f4088996c86bea5cd0 (diff) | |
tdf#147906 Use std::hypot for Pythagorean addition
Change-Id: I38166d36e9e8518ab86ded7ab630a35f3a0c39d7
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/132268
Tested-by: Jenkins
Reviewed-by: Hossein <hossein@libreoffice.org>
Diffstat (limited to 'vcl/workben/svptest.cxx')
| -rw-r--r-- | vcl/workben/svptest.cxx | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/vcl/workben/svptest.cxx b/vcl/workben/svptest.cxx index 37aa0dfa1a55..dde13e256ddd 100644 --- a/vcl/workben/svptest.cxx +++ b/vcl/workben/svptest.cxx @@ -115,13 +115,13 @@ MyWin::MyWin( vcl::Window* pParent, WinBits nWinStyle ) : { for( int nY = 0; nY < 256; nY++ ) { - double fRed = 255.0-1.5*sqrt(static_cast<double>(nX*nX+nY*nY)); + double fRed = 255.0-1.5*std::hypot(nX, nY); if( fRed < 0.0 ) fRed = 0.0; - double fGreen = 255.0-1.5*sqrt(static_cast<double>((255-nX)*(255-nX)+nY*nY)); + double fGreen = 255.0-1.5*std::hypot(255-nX, nY); if( fGreen < 0.0 ) fGreen = 0.0; - double fBlue = 255.0-1.5*sqrt(static_cast<double>((128-nX)*(128-nX)+(255-nY)*(255-nY))); + double fBlue = 255.0-1.5*std::hypot(128-nX, 255-nY); if( fBlue < 0.0 ) fBlue = 0.0; pAcc->SetPixel( nY, nX, BitmapColor( sal_uInt8(fRed), sal_uInt8(fGreen), sal_uInt8(fBlue) ) ); |