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authorKrzysztof Kosi??ski <tweenk.pl@gmail.com>2008-12-09 00:06:13 +0000
committertweenk <tweenk@users.sourceforge.net>2008-12-09 00:06:13 +0000
commited0c006e81c69fbed16181c512c55190d998892e (patch)
tree37e6c6d558eceb3e7b4ac9f5ac3aaac41b854863 /src/libnr/nr-matrix-test.cpp
parentfix for Bug #234305 (paste into transformed groups) (diff)
downloadinkscape-ed0c006e81c69fbed16181c512c55190d998892e.tar.gz
inkscape-ed0c006e81c69fbed16181c512c55190d998892e.zip
Simplify "make check" makefile rules and remove most of the obsolete
utest-based tests. (bzr r6976)
Diffstat (limited to 'src/libnr/nr-matrix-test.cpp')
-rw-r--r--src/libnr/nr-matrix-test.cpp171
1 files changed, 0 insertions, 171 deletions
diff --git a/src/libnr/nr-matrix-test.cpp b/src/libnr/nr-matrix-test.cpp
deleted file mode 100644
index 610ebb750..000000000
--- a/src/libnr/nr-matrix-test.cpp
+++ /dev/null
@@ -1,171 +0,0 @@
-#include <utest/utest.h>
-#include <libnr/nr-matrix.h>
-#include <libnr/nr-matrix-fns.h>
-#include <libnr/nr-matrix-ops.h>
-#include <libnr/nr-matrix-rotate-ops.h>
-#include <libnr/nr-matrix-scale-ops.h>
-#include <libnr/nr-point-matrix-ops.h>
-#include <libnr/nr-rotate.h>
-#include <libnr/nr-rotate-ops.h>
-#include <libnr/nr-scale-ops.h>
-#include <libnr/nr-scale-translate-ops.h>
-#include <libnr/nr-translate.h>
-#include <libnr/nr-translate-ops.h>
-#include <libnr/nr-translate-scale-ops.h>
-using NR::Matrix;
-using NR::X;
-using NR::Y;
-
-inline bool point_equalp(NR::Point const &a, NR::Point const &b)
-{
- return ( NR_DF_TEST_CLOSE(a[X], b[X], 1e-5) &&
- NR_DF_TEST_CLOSE(a[Y], b[Y], 1e-5) );
-}
-
-int main(int /*argc*/, char */*argv*/[])
-{
- int rc = EXIT_SUCCESS;
-
- Matrix const m_id(NR::identity());
- NR::rotate const r_id(NR::Point(1, 0));
- NR::translate const t_id(0, 0);
-
- utest_start("Matrix");
-
- Matrix const c16(1.0, 2.0,
- 3.0, 4.0,
- 5.0, 6.0);
- UTEST_TEST("basic constructors, operator=") {
- Matrix const c16_copy(c16);
- Matrix c16_eq(m_id);
- c16_eq = c16;
- for(unsigned i = 0; i < 6; ++i) {
- UTEST_ASSERT( c16[i] == 1.0 + i );
- UTEST_ASSERT( c16[i] == c16_copy[i] );
- UTEST_ASSERT( c16[i] == c16_eq[i] );
- UTEST_ASSERT( m_id[i] == double( i == 0 || i == 3 ) );
- }
- }
-
- UTEST_TEST("scale constructor") {
- NR::scale const s(2.0, 3.0);
- NR::Matrix const ms(s);
- NR::Point const p(5.0, 7.0);
- UTEST_ASSERT( p * s == NR::Point(10.0, 21.0) );
- UTEST_ASSERT( p * ms == NR::Point(10.0, 21.0) );
- }
-
- NR::rotate const r86(NR::Point(.8, .6));
- NR::Matrix const mr86(r86);
- UTEST_TEST("rotate constructor") {
- NR::Point const p0(1.0, 0.0);
- NR::Point const p90(0.0, 1.0);
- UTEST_ASSERT( p0 * r86 == NR::Point(.8, .6) );
- UTEST_ASSERT( p0 * mr86 == NR::Point(.8, .6) );
- UTEST_ASSERT( p90 * r86 == NR::Point(-.6, .8) );
- UTEST_ASSERT( p90 * mr86 == NR::Point(-.6, .8) );
- UTEST_ASSERT(matrix_equalp(Matrix( r86 * r86 ),
- mr86 * mr86,
- 1e-14));
- }
-
- NR::translate const t23(2.0, 3.0);
- UTEST_TEST("translate constructor") {
- NR::Matrix const mt23(t23);
- NR::Point const b(-2.0, 3.0);
- UTEST_ASSERT( b * t23 == b * mt23 );
- }
-
- NR::scale const s_id(1.0, 1.0);
- UTEST_TEST("test_identity") {
- UTEST_ASSERT(m_id.test_identity());
- UTEST_ASSERT(Matrix(t_id).test_identity());
- UTEST_ASSERT(!(Matrix(NR::translate(-2, 3)).test_identity()));
- UTEST_ASSERT(Matrix(r_id).test_identity());
- NR::rotate const rot180(NR::Point(-1, 0));
- UTEST_ASSERT(!(Matrix(rot180).test_identity()));
- UTEST_ASSERT(Matrix(s_id).test_identity());
- UTEST_ASSERT(!(Matrix(NR::scale(1.0, 0.0)).test_identity()));
- UTEST_ASSERT(!(Matrix(NR::scale(0.0, 1.0)).test_identity()));
- UTEST_ASSERT(!(Matrix(NR::scale(1.0, -1.0)).test_identity()));
- UTEST_ASSERT(!(Matrix(NR::scale(-1.0, -1.0)).test_identity()));
- }
-
- UTEST_TEST("inverse") {
- UTEST_ASSERT( m_id.inverse() == m_id );
- UTEST_ASSERT( Matrix(t23).inverse() == Matrix(NR::translate(-2.0, -3.0)) );
- NR::scale const s2(-4.0, 2.0);
- NR::scale const sp5(-.25, .5);
- UTEST_ASSERT( Matrix(s2).inverse() == Matrix(sp5) );
- UTEST_ASSERT( Matrix(sp5).inverse() == Matrix(s2) );
- }
-
- UTEST_TEST("elliptic quadratic form") {
- NR::Matrix const aff(1.0, 1.0,
- 0.0, 1.0,
- 5.0, 6.0);
- NR::Matrix const invaff = aff.inverse();
- UTEST_ASSERT( invaff[1] == -1.0 );
-
- NR::Matrix const ef(elliptic_quadratic_form(invaff));
- NR::Matrix const exp_ef(2, -1,
- -1, 1,
- 0, 0);
- UTEST_ASSERT( ef == exp_ef );
- }
-
- UTEST_TEST("Matrix * rotate") {
- NR::Matrix const ma(2.0, -1.0,
- 4.0, 4.0,
- -0.5, 2.0);
- NR::Matrix const a_r86( ma * r86 );
- NR::Matrix const ma1( a_r86 * r86.inverse() );
- UTEST_ASSERT(matrix_equalp(ma1, ma, 1e-12));
- NR::Matrix const exp_a_r86( 2*.8 + -1*-.6, 2*.6 + -1*.8,
- 4*.8 + 4*-.6, 4*.6 + 4*.8,
- -.5*.8 + 2*-.6, -.5*.6 + 2*.8 );
- UTEST_ASSERT(matrix_equalp(a_r86, exp_a_r86, 1e-12));
- }
-
- UTEST_TEST("translate*scale, scale*translate") {
- NR::translate const t2n4(2, -4);
- NR::scale const sn2_8(-2, 8);
- NR::Matrix const exp_ts(-2, 0,
- 0, 8,
- -4, -32);
- NR::Matrix const exp_st(-2, 0,
- 0, 8,
- 2, -4);
- UTEST_ASSERT( exp_ts == t2n4 * sn2_8 );
- UTEST_ASSERT( exp_st == sn2_8 * t2n4 );
- }
-
- UTEST_TEST("Matrix * scale") {
- NR::Matrix const ma(2.0, -1.0,
- 4.0, 4.0,
- -0.5, 2.0);
- NR::scale const sn2_8(-2, 8);
- NR::Matrix const exp_as(-4, -8,
- -8, 32,
- 1, 16);
- UTEST_ASSERT( ma * sn2_8 == exp_as );
- }
-
- if (!utest_end()) {
- rc = EXIT_FAILURE;
- }
-
- return rc;
-}
-
-
-/*
- 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 :