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Diffstat (limited to 'include/basegfx/numeric/ftools.hxx')
| -rw-r--r-- | include/basegfx/numeric/ftools.hxx | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/basegfx/numeric/ftools.hxx b/include/basegfx/numeric/ftools.hxx index 89b3aaeb2e4b..5477b36fd475 100644 --- a/include/basegfx/numeric/ftools.hxx +++ b/include/basegfx/numeric/ftools.hxx @@ -136,6 +136,18 @@ namespace basegfx return v / M_PI_2 * 90.0; } + /** Snap v to nearest multiple of fStep, from negative and + positive side. + + Examples: + + snapToNearestMultiple(-0.1, 0.5) = 0.0 + snapToNearestMultiple(0.1, 0.5) = 0.0 + snapToNearestMultiple(0.25, 0.5) = 0.0 + snapToNearestMultiple(0.26, 0.5) = 0.5 + */ + BASEGFX_DLLPUBLIC double snapToNearestMultiple(double v, const double fStep); + /** return fValue with the sign of fSignCarrier, thus evtl. changed */ inline double copySign(double fValue, double fSignCarrier) |