tests: Added numerous tests.

The tests are taken almost verbatim from the open source project PicoC. It can
be found at https://code.google.com/p/picoc/.

The tests range from very simple/trivial ones to more complicated. My view is
that the more tests the better. Without tests like this I was very reluctant to
make any changes to tcc for the fear of breaking things.

The tests pass on Win32, OSX, Linux x86 and x86_64. One or two tests fail on
each platform due to differences in the runtime library.

1 files changed, 28 insertions, 0 deletions

diff --git a/tests2/24_math_library.c b/tests2/24_math_library.c
new file mode 100644
index 0000000..4cc3d9e
--- /dev/null
+++ b/tests2/24_math_library.c
@@ -0,0 +1,28 @@
+#include <stdio.h>
+#include <math.h>
+
+int main()
+{
+   printf("%f\n", sin(0.12));
+   printf("%f\n", cos(0.12));
+   printf("%f\n", tan(0.12));
+   printf("%f\n", asin(0.12));
+   printf("%f\n", acos(0.12));
+   printf("%f\n", atan(0.12));
+   printf("%f\n", sinh(0.12));
+   printf("%f\n", cosh(0.12));
+   printf("%f\n", tanh(0.12));
+   printf("%f\n", exp(0.12));
+   printf("%f\n", fabs(-0.12));
+   printf("%f\n", log(0.12));
+   printf("%f\n", log10(0.12));
+   printf("%f\n", pow(0.12, 0.12));
+   printf("%f\n", sqrt(0.12));
+   printf("%f\n", round(12.34));
+   printf("%f\n", ceil(12.34));
+   printf("%f\n", floor(12.34));
+
+   return 0;
+}
+
+/* vim: set expandtab ts=4 sw=3 sts=3 tw=80 :*/