Fix the valueForProgress to pass.

The reference data had some errors due to bugs in QString::setNum().
We now serialize the number ourselves, and at the same time always generate
all 4 digits, just to emphasize the precision we want.
It now also passes if sizeof(qreal) == sizeof(float).

1 files changed, 74 insertions, 65 deletions

diff --git a/tests/auto/qeasingcurve/tst_qeasingcurve.cpp b/tests/auto/qeasingcurve/tst_qeasingcurve.cpp
index 1acd495..6acc241 100644
--- a/tests/auto/qeasingcurve/tst_qeasingcurve.cpp
+++ b/tests/auto/qeasingcurve/tst_qeasingcurve.cpp
@@ -193,186 +193,208 @@ void tst_QEasingCurve::valueForProgress_data()
     // integer values and avoid fp inaccuracies
     QTest::newRow("Linear") << int(QEasingCurve::Linear)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.1 << 0.2 << 0.3 << 0.4 << 0.5 << 0.6 << 0.7 << 0.8 << 0.9 << 1);
+         << (RealList() << 0.0000 << 0.1000 << 0.2000 << 0.3000 << 0.4000 << 0.5000 << 0.6000 << 0.7000 << 0.8000 << 0.9000 << 1.0000);
 
     QTest::newRow("InQuad") << int(QEasingCurve::InQuad)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.01 << 0.04 << 0.09 << 0.16 << 0.25 << 0.36 << 0.49 << 0.64 << 0.81 << 1);
+         << (RealList() << 0.0000 << 0.0100 << 0.0400 << 0.0900 << 0.1600 << 0.2500 << 0.3600 << 0.4900 << 0.6400 << 0.8100 << 1.0000);
 
     QTest::newRow("OutQuad") << int(QEasingCurve::OutQuad)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.19 << 0.36 << 0.51 << 0.64 << 0.75 << 0.84 << 0.91 << 0.96 << 0.99 << 1);
+         << (RealList() << 0.0000 << 0.1900 << 0.3600 << 0.5100 << 0.6400 << 0.7500 << 0.8400 << 0.9100 << 0.9600 << 0.9900 << 1.0000);
 
     QTest::newRow("InOutQuad") << int(QEasingCurve::InOutQuad)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.02 << 0.08 << 0.18 << 0.32 << 0.5 << 0.68 << 0.82 << 0.92 << 0.98 << 1);
+         << (RealList() << 0.0000 << 0.0200 << 0.0800 << 0.1800 << 0.3200 << 0.5000 << 0.6800 << 0.8200 << 0.9200 << 0.9800 << 1.0000);
 
     QTest::newRow("OutInQuad") << int(QEasingCurve::OutInQuad)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.18 << 0.32 << 0.42 << 0.48 << 0.5 << 0.52 << 0.58 << 0.68 << 0.82 << 1);
+         << (RealList() << 0.0000 << 0.1800 << 0.3200 << 0.4200 << 0.4800 << 0.5000 << 0.5200 << 0.5800 << 0.6800 << 0.8200 << 1.0000);
 
     QTest::newRow("InCubic") << int(QEasingCurve::InCubic)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.001 << 0.008 << 0.027 << 0.064 << 0.125 << 0.216 << 0.343 << 0.512 << 0.729 << 1);
+         << (RealList() << 0.0000 << 0.0010 << 0.0080 << 0.0270 << 0.0640 << 0.1250 << 0.2160 << 0.3430 << 0.5120 << 0.7290 << 1.0000);
 
     QTest::newRow("OutCubic") << int(QEasingCurve::OutCubic)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.271 << 0.488 << 0.657 << 0.784 << 0.875 << 0.936 << 0.973 << 0.992 << 0.999 << 1);
+         << (RealList() << 0.0000 << 0.2710 << 0.4880 << 0.6570 << 0.7840 << 0.8750 << 0.9360 << 0.9730 << 0.9920 << 0.9990 << 1.0000);
 
     QTest::newRow("InOutCubic") << int(QEasingCurve::InOutCubic)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.004 << 0.032 << 0.108 << 0.256 << 0.5 << 0.744 << 0.892 << 0.968 << 0.996 << 1);
+         << (RealList() << 0.0000 << 0.0040 << 0.0320 << 0.1080 << 0.2560 << 0.5000 << 0.7440 << 0.8920 << 0.9680 << 0.9960 << 1.0000);
 
     QTest::newRow("OutInCubic") << int(QEasingCurve::OutInCubic)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.244 << 0.392 << 0.468 << 0.496 << 0.5 << 0.504 << 0.532 << 0.608 << 0.756 << 1);
+         << (RealList() << 0.0000 << 0.2440 << 0.3920 << 0.4680 << 0.4960 << 0.5000 << 0.5040 << 0.5320 << 0.6080 << 0.7560 << 1.0000);
 
     QTest::newRow("InQuart") << int(QEasingCurve::InQuart)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.0001 << 0.0016 << 0.0081 << 0.0256 << 0.0625 << 0.1296 << 0.2401 << 0.4096 << 0.6561 << 1);
+         << (RealList() << 0.0000 << 0.0001 << 0.0016 << 0.0081 << 0.0256 << 0.0625 << 0.1296 << 0.2401 << 0.4096 << 0.6561 << 1.0000);
 
     QTest::newRow("OutQuart") << int(QEasingCurve::OutQuart)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.3439 << 0.5904 << 0.7599 << 0.8704 << 0.9375 << 0.9744 << 0.9919 << 0.9984 << 0.9999 << 1);
+         << (RealList() << 0.0000 << 0.3439 << 0.5904 << 0.7599 << 0.8704 << 0.9375 << 0.9744 << 0.9919 << 0.9984 << 0.9999 << 1.0000);
 
     QTest::newRow("InOutQuart") << int(QEasingCurve::InOutQuart)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.0008 << 0.0128 << 0.0648 << 0.2048 << 0.5 << 0.7952 << 0.9352 << 0.9872 << 0.9992 << 1);
+         << (RealList() << 0.0000 << 0.0008 << 0.0128 << 0.0648 << 0.2048 << 0.5000 << 0.7952 << 0.9352 << 0.9872 << 0.9992 << 1.0000);
 
     QTest::newRow("OutInQuart") << int(QEasingCurve::OutInQuart)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.2952 << 0.4352 << 0.4872 << 0.4992 << 0.5 << 0.5008 << 0.5128 << 0.5648 << 0.7048 << 1);
+         << (RealList() << 0.0000 << 0.2952 << 0.4352 << 0.4872 << 0.4992 << 0.5000 << 0.5008 << 0.5128 << 0.5648 << 0.7048 << 1.0000);
 
     QTest::newRow("InQuint") << int(QEasingCurve::InQuint)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 1e-05 << 0.00032 << 0.00243 << 0.01024 << 0.03125 << 0.07776 << 0.1681 << 0.3277 << 0.5905 << 1);
+         << (RealList() << 0.0000 << 0.0000 << 0.0003 << 0.0024 << 0.0102 << 0.0313 << 0.0778 << 0.1681 << 0.3277 << 0.5905 << 1.0000);
 
     QTest::newRow("OutQuint") << int(QEasingCurve::OutQuint)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.4095 << 0.6723 << 0.8319 << 0.9222 << 0.9688 << 0.9898 << 0.9976 << 0.9997 << 1 << 1);
+         << (RealList() << 0.0000 << 0.4095 << 0.6723 << 0.8319 << 0.9222 << 0.9688 << 0.9898 << 0.9976 << 0.9997 << 1.0000 << 1.0000);
 
     QTest::newRow("InOutQuint") << int(QEasingCurve::InOutQuint)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.00016 << 0.00512 << 0.03888 << 0.1638 << 0.5 << 0.8362 << 0.9611 << 0.9949 << 0.9998 << 1);
+         << (RealList() << 0.0000 << 0.0002 << 0.0051 << 0.0389 << 0.1638 << 0.5000 << 0.8362 << 0.9611 << 0.9949 << 0.9998 << 1.0000);
 
     QTest::newRow("OutInQuint") << int(QEasingCurve::OutInQuint)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.3362 << 0.4611 << 0.4949 << 0.4998 << 0.5 << 0.5002 << 0.5051 << 0.5389 << 0.6638 << 1);
+         << (RealList() << 0.0000 << 0.3362 << 0.4611 << 0.4949 << 0.4998 << 0.5000 << 0.5002 << 0.5051 << 0.5389 << 0.6638 << 1.0000);
 
     QTest::newRow("InSine") << int(QEasingCurve::InSine)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.01231 << 0.04894 << 0.109 << 0.191 << 0.2929 << 0.4122 << 0.546 << 0.691 << 0.8436 << 1);
+         << (RealList() << 0.0000 << 0.0123 << 0.0489 << 0.1090 << 0.1910 << 0.2929 << 0.4122 << 0.5460 << 0.6910 << 0.8436 << 1.0000);
 
     QTest::newRow("OutSine") << int(QEasingCurve::OutSine)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.1564 << 0.309 << 0.454 << 0.5878 << 0.7071 << 0.809 << 0.891 << 0.9511 << 0.9877 << 1);
+         << (RealList() << 0.0000 << 0.1564 << 0.3090 << 0.4540 << 0.5878 << 0.7071 << 0.8090 << 0.8910 << 0.9511 << 0.9877 << 1.0000);
 
     QTest::newRow("InOutSine") << int(QEasingCurve::InOutSine)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.02447 << 0.09549 << 0.2061 << 0.3455 << 0.5 << 0.6545 << 0.7939 << 0.9045 << 0.9755 << 1);
+         << (RealList() << 0.0000 << 0.0245 << 0.0955 << 0.2061 << 0.3455 << 0.5000 << 0.6545 << 0.7939 << 0.9045 << 0.9755 << 1.0000);
 
     QTest::newRow("OutInSine") << int(QEasingCurve::OutInSine)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.1545 << 0.2939 << 0.4045 << 0.4755 << 0.5 << 0.5245 << 0.5955 << 0.7061 << 0.8455 << 1);
+         << (RealList() << 0.0000 << 0.1545 << 0.2939 << 0.4045 << 0.4755 << 0.5000 << 0.5245 << 0.5955 << 0.7061 << 0.8455 << 1.0000);
 
     QTest::newRow("InExpo") << int(QEasingCurve::InExpo)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.0009531 << 0.002906 << 0.006812 << 0.01462 << 0.03025 << 0.0615 << 0.124 << 0.249 << 0.499 << 1);
+         << (RealList() << 0.0000 << 0.0010 << 0.0029 << 0.0068 << 0.0146 << 0.0303 << 0.0615 << 0.1240 << 0.2490 << 0.4990 << 1.0000);
 
     QTest::newRow("OutExpo") << int(QEasingCurve::OutExpo)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.5005 << 0.7507 << 0.8759 << 0.9384 << 0.9697 << 0.9854 << 0.9932 << 0.9971 << 0.999 << 1);
+         << (RealList() << 0.0000 << 0.5005 << 0.7507 << 0.8759 << 0.9384 << 0.9697 << 0.9854 << 0.9932 << 0.9971 << 0.9990 << 1.0000);
 
     QTest::newRow("InOutExpo") << int(QEasingCurve::InOutExpo)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.001453 << 0.007312 << 0.03075 << 0.1245 << 0.5002 << 0.8754 << 0.9692 << 0.9927 << 0.9985 << 1);
+         << (RealList() << 0.0000 << 0.0015 << 0.0073 << 0.0308 << 0.1245 << 0.5003 << 0.8754 << 0.9692 << 0.9927 << 0.9985 << 1.0000);
 
     QTest::newRow("OutInExpo") << int(QEasingCurve::OutInExpo)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.3754 << 0.4692 << 0.4927 << 0.4985 << 0.5 << 0.5015 << 0.5073 << 0.5308 << 0.6245 << 1);
+         << (RealList() << 0.0000 << 0.3754 << 0.4692 << 0.4927 << 0.4985 << 0.5000 << 0.5015 << 0.5073 << 0.5308 << 0.6245 << 1.0000);
 
     QTest::newRow("InCirc") << int(QEasingCurve::InCirc)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.005013 << 0.0202 << 0.04606 << 0.08348 << 0.134 << 0.2 << 0.2859 << 0.4 << 0.5641 << 1);
+         << (RealList() << 0.0000 << 0.0050 << 0.0202 << 0.0461 << 0.0835 << 0.1340 << 0.2000 << 0.2859 << 0.4000 << 0.5641 << 1.0000);
 
     QTest::newRow("OutCirc") << int(QEasingCurve::OutCirc)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.4359 << 0.6 << 0.7141 << 0.8 << 0.866 << 0.9165 << 0.9539 << 0.9798 << 0.995 << 1);
+         << (RealList() << 0.0000 << 0.4359 << 0.6000 << 0.7141 << 0.8000 << 0.8660 << 0.9165 << 0.9539 << 0.9798 << 0.9950 << 1.0000);
 
     QTest::newRow("InOutCirc") << int(QEasingCurve::InOutCirc)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.0101 << 0.04174 << 0.1 << 0.2 << 0.5 << 0.8 << 0.9 << 0.9583 << 0.9899 << 1);
+         << (RealList() << 0.0000 << 0.0101 << 0.0417 << 0.1000 << 0.2000 << 0.5000 << 0.8000 << 0.9000 << 0.9583 << 0.9899 << 1.0000);
 
     QTest::newRow("OutInCirc") << int(QEasingCurve::OutInCirc)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.3 << 0.4 << 0.4583 << 0.4899 << 0.5 << 0.5101 << 0.5417 << 0.6 << 0.7 << 1);
+         << (RealList() << 0.0000 << 0.3000 << 0.4000 << 0.4583 << 0.4899 << 0.5000 << 0.5101 << 0.5417 << 0.6000 << 0.7000 << 1.0000);
 
     QTest::newRow("InElastic") << int(QEasingCurve::InElastic)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.001953 << -0.001953 << -0.003906 << 0.01562 << -0.01562 << -0.03125 << 0.125 << -0.125 << -0.25 << 1);
+         << (RealList() << 0.0000 << 0.0020 << -0.0020 << -0.0039 << 0.0156 << -0.0156 << -0.0313 << 0.1250 << -0.1250 << -0.2500 << 1.0000);
 
     QTest::newRow("OutElastic") << int(QEasingCurve::OutElastic)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 1.25 << 1.125 << 0.875 << 1.031 << 1.016 << 0.9844 << 1.004 << 1.002 << 0.998 << 1);
+         << (RealList() << 0.0000 << 1.2500 << 1.1250 << 0.8750 << 1.0313 << 1.0156 << 0.9844 << 1.0039 << 1.0020 << 0.9980 << 1.0000);
 
     QTest::newRow("InOutElastic") << int(QEasingCurve::InOutElastic)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << -0.0009766 << 0.007812 << -0.01563 << -0.0625 << 0.5 << 1.062 << 1.016 << 0.9922 << 1.001 << 1);
+         << (RealList() << 0.0000 << -0.0010 << 0.0078 << -0.0156 << -0.0625 << 0.5000 << 1.0625 << 1.0156 << 0.9922 << 1.0010 << 1.0000);
 
     QTest::newRow("OutInElastic") << int(QEasingCurve::OutInElastic)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.375 << 0.5625 << 0.4922 << 0.498 << 0.5 << 0.4961 << 0.5078 << 0.5313 << 0.25 << 1);
+         << (RealList() << 0.0000 << 0.3750 << 0.5625 << 0.4922 << 0.4980 << 0.5000 << 0.4961 << 0.5078 << 0.5313 << 0.2500 << 1.0000);
 
     QTest::newRow("InBack") << int(QEasingCurve::InBack)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << -0.01431 << -0.04645 << -0.0802 << -0.09935 << -0.0877 << -0.02903 << 0.09287 << 0.2942 << 0.5912 << 1);
+         << (RealList() << 0.0000 << -0.0143 << -0.0465 << -0.0802 << -0.0994 << -0.0877 << -0.0290 << 0.0929 << 0.2942 << 0.5912 << 1.0000);
 
     QTest::newRow("OutBack") << int(QEasingCurve::OutBack)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.4088 << 0.7058 << 0.9071 << 1.029 << 1.088 << 1.099 << 1.08 << 1.046 << 1.014 << 1);
+         << (RealList() << 0.0000 << 0.4088 << 0.7058 << 0.9071 << 1.0290 << 1.0877 << 1.0994 << 1.0802 << 1.0465 << 1.0143 << 1.0000);
 
     QTest::newRow("InOutBack") << int(QEasingCurve::InOutBack)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << -0.03752 << -0.09256 << -0.07883 << 0.08993 << 0.5 << 0.9101 << 1.079 << 1.093 << 1.038 << 1);
+         << (RealList() << 0.0000 << -0.0375 << -0.0926 << -0.0788 << 0.0899 << 0.5000 << 0.9101 << 1.0788 << 1.0926 << 1.0375 << 1.0000);
 
     QTest::newRow("OutInBack") << int(QEasingCurve::OutInBack)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.3529 << 0.5145 << 0.5497 << 0.5232 << 0.5 << 0.4768 << 0.4503 << 0.4855 << 0.6471 << 1);
+         << (RealList() << 0.0000 << 0.3529 << 0.5145 << 0.5497 << 0.5232 << 0.5000 << 0.4768 << 0.4503 << 0.4855 << 0.6471 << 1.0000);
 
     QTest::newRow("InBounce") << int(QEasingCurve::InBounce)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.01188 << 0.06 << 0.06937 << 0.2275 << 0.2344 << 0.09 << 0.3194 << 0.6975 << 0.9244 << 1);
+         << (RealList() << 0.0000 << 0.0119 << 0.0600 << 0.0694 << 0.2275 << 0.2344 << 0.0900 << 0.3194 << 0.6975 << 0.9244 << 1.0000);
 
     QTest::newRow("OutBounce") << int(QEasingCurve::OutBounce)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.07563 << 0.3025 << 0.6806 << 0.91 << 0.7656 << 0.7725 << 0.9306 << 0.94 << 0.9881 << 1);
+         << (RealList() << 0.0000 << 0.0756 << 0.3025 << 0.6806 << 0.9100 << 0.7656 << 0.7725 << 0.9306 << 0.9400 << 0.9881 << 1.0000);
 
     QTest::newRow("InOutBounce") << int(QEasingCurve::InOutBounce)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.03 << 0.1138 << 0.045 << 0.3488 << 0.5 << 0.6512 << 0.955 << 0.8862 << 0.97 << 1);
+         << (RealList() << 0.0000 << 0.0300 << 0.1138 << 0.0450 << 0.3488 << 0.5000 << 0.6512 << 0.9550 << 0.8863 << 0.9700 << 1.0000);
 
     QTest::newRow("OutInBounce") << int(QEasingCurve::OutInBounce)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.1513 << 0.41 << 0.2725 << 0.44 << 0.5 << 0.56 << 0.7275 << 0.59 << 0.8488 << 1);
+         << (RealList() << 0.0000 << 0.1513 << 0.4100 << 0.2725 << 0.4400 << 0.5000 << 0.5600 << 0.7275 << 0.5900 << 0.8488 << 1.0000);
 
     QTest::newRow("InCurve") << int(QEasingCurve::InCurve)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.02447 << 0.1059 << 0.2343 << 0.3727 << 0.5 << 0.6055 << 0.7 << 0.8 << 0.9 << 1);
+         << (RealList() << 0.0000 << 0.0245 << 0.1059 << 0.2343 << 0.3727 << 0.5000 << 0.6055 << 0.7000 << 0.8000 << 0.9000 << 1.0000);
 
     QTest::newRow("OutCurve") << int(QEasingCurve::OutCurve)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.1 << 0.2 << 0.3 << 0.3945 << 0.5 << 0.6273 << 0.7657 << 0.8941 << 0.9755 << 1);
+         << (RealList() << 0.0000 << 0.1000 << 0.2000 << 0.3000 << 0.3945 << 0.5000 << 0.6273 << 0.7657 << 0.8941 << 0.9755 << 1.0000);
 
     QTest::newRow("SineCurve") << int(QEasingCurve::SineCurve)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0 << 0.09549 << 0.3455 << 0.6545 << 0.9045 << 1 << 0.9045 << 0.6545 << 0.3455 << 0.09549 << 0);
+         << (RealList() << 0.0000 << 0.0955 << 0.3455 << 0.6545 << 0.9045 << 1.0000 << 0.9045 << 0.6545 << 0.3455 << 0.0955 << 0.0000);
 
     QTest::newRow("CosineCurve") << int(QEasingCurve::CosineCurve)
          << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)
-         << (RealList() << 0.5 << 0.7939 << 0.9755 << 0.9755 << 0.7939 << 0.5 << 0.2061 << 0.02447 << 0.02447 << 0.2061 << 0.5);
+         << (RealList() << 0.5000 << 0.7939 << 0.9755 << 0.9755 << 0.7939 << 0.5000 << 0.2061 << 0.0245 << 0.0245 << 0.2061 << 0.5000);
 
 }
 
+/*
+  "fixedpoint" number that is scaled up by 10000.
+  This is to work around two bugs (precision and rounding error) in QString::setNum().
+  It does not trim off trailing zeros. This is good, just to emphasize the precision.
+*/
+QString fixedToString(int value)
+{
+    QString str;
+    if (value < 0) {
+        str+= QLatin1Char('-');
+        value = -value;
+    }
+
+    QString digitArg(QLatin1String("%1."));
+    for (int i = 10000; i >= 1; i/=10) {
+        int digit = value/i;
+        value -= digit*i;
+        str.append(digitArg.arg(digit));
+        digitArg = QLatin1String("%1");
+    }
+    return str;
+}
 
 void tst_QEasingCurve::valueForProgress()
 {
@@ -390,7 +412,7 @@ void tst_QEasingCurve::valueForProgress()
         for (int t = 0; t <= 100; t+= 10) {
             qreal ease = curve.valueForProgress(t/qreal(100));
             strInputs += QString::fromAscii(" << %1").arg(t);
-            strOutputs += " << " + QString().setNum(ease, 'g', 4);
+            strOutputs += " << " + fixedToString(qRound(ease*10000));
         }
         QString str = QString::fromAscii("    QTest::newRow(\"%1\") << int(QEasingCurve::%2)\n"
                                                 "         << (IntList() %3)\n"
@@ -409,26 +431,13 @@ void tst_QEasingCurve::valueForProgress()
     QFETCH(RealList, expected);
 
     QEasingCurve curve((QEasingCurve::Type)type);
+    // in theory the baseline should't have an error of more than 0.00005 due to how its rounded,
+    // but due to FP imprecision, we have to adjust the error a bit more.
+    const qreal errorBound = 0.00006;
     for (int i = 0; i < at.count(); ++i) {
-        qreal ease = curve.valueForProgress(at.at(i)/qreal(100));
-        // converting ease to 4 precision qreal to match the generated samples
-        qreal easeConv = qreal(QString().setNum(ease, 'g', 4).toDouble());
-        qreal ex = expected.at(i);
-
-        // the least significant digit it is still subject to rounding errors
-        qreal error = easeConv - ex;
-        qreal errorbound = 0.00001;
-#if defined( Q_OS_WINCE ) || defined( Q_OS_SYMBIAN )
-        // exception values for WINCE(this test should be rewritten, as it only freezes the status quo of QEasingCurve
-        // The failing (2) values are explicitly excepted here:
-        // The source values for the comparison table should remain untruncated double and the
-        // error bound checking function dynamic. Also the source values should come from a "trusted" source and not
-        // from QEasingCurve itself.
-        if ((type == int(QEasingCurve::InOutBounce) && (i == 8 || i == 6) ) || (type == int(QEasingCurve::OutExpo) && i == 2))
-            errorbound = 0.0002;
-#endif
-        // accept the potential rounding error in the least significant digit
-        QVERIFY(error <= errorbound );
+        const qreal ex = expected.at(i);
+        const qreal error = qAbs(ex - curve.valueForProgress(at.at(i)/qreal(100)));
+        QVERIFY(error <= errorBound);
     }
 #endif
 }