diff options
Diffstat (limited to 'src/libnr/nr-scale-matrix-ops.cpp')
| -rw-r--r-- | src/libnr/nr-scale-matrix-ops.cpp | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/libnr/nr-scale-matrix-ops.cpp b/src/libnr/nr-scale-matrix-ops.cpp new file mode 100644 index 000000000..ce5120079 --- /dev/null +++ b/src/libnr/nr-scale-matrix-ops.cpp @@ -0,0 +1,26 @@ +#include "libnr/nr-matrix-ops.h" + +NR::Matrix +operator*(NR::scale const &s, NR::Matrix const &m) +{ + using NR::X; using NR::Y; + NR::Matrix ret(m); + ret[0] *= s[X]; + ret[1] *= s[X]; + ret[2] *= s[Y]; + ret[3] *= s[Y]; + assert_close( ret, NR::Matrix(s) * m ); + return ret; +} + + +/* + 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:encoding=utf-8:textwidth=99 : |
