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authorTavmjong Bah <tavmjong@free.fr>2018-04-03 10:21:15 +0000
committerTavmjong Bah <tavmjong@free.fr>2018-04-03 10:21:15 +0000
commit715b5f5b45e6bb81651ecc4e5cffdd0d7b484f5a (patch)
treea9ff806045b2ae5c2012797fbd444c4bd6a003e9 /src/decimal-round.h
parentAdd new directory for 'manipulations' with README. (diff)
downloadinkscape-715b5f5b45e6bb81651ecc4e5cffdd0d7b484f5a.tar.gz
inkscape-715b5f5b45e6bb81651ecc4e5cffdd0d7b484f5a.zip
Code cleanup: remove unneeded file.
Diffstat (limited to 'src/decimal-round.h')
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diff --git a/src/decimal-round.h b/src/decimal-round.h
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-#ifndef SEEN_DECIMAL_ROUND_H
-#define SEEN_DECIMAL_ROUND_H
-
-#include <cmath>
-
-namespace Inkscape {
-
-/** Returns x rounded to the nearest \a nplaces decimal places.
-
- Implemented in terms of std::round, i.e. we make no guarantees as to what happens if x is
- half way between two rounded numbers. Add a note to the documentation if you care which
- candidate is chosen for such case (round towards -infinity, +infinity, 0, or "even").
-
- Note: nplaces is the number of decimal places without using scientific (e) notation, not the
- number of significant figures. This function may not be suitable for values of x whose
- magnitude is so far from 1 that one would want to use scientific (e) notation.
-
- The current implementation happens to allow nplaces to be negative: e.g. nplaces=-2 means
- rounding to a multiple of 100. May or may not be useful.
-**/
-inline double
-decimal_round(double const x, int const nplaces)
-{
- double const multiplier = std::pow(10.0, nplaces);
- return round( x * multiplier ) / multiplier;
-}
-
-}
-
-#endif /* !SEEN_DECIMAL_ROUND_H */
-
-/*
- Local Variables:
- mode:c++
- c-file-style:"stroustrup"
- c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
- indent-tabs-mode:nil
- fill-column:99
- End:
-*/
-// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :