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mips32/64: Test case for VEX r2799.

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git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13713
This commit is contained in:
Dejan Jevtic
2013-11-14 15:45:26 +00:00
parent 84b48d7742
commit b4adb1bc50
10 changed files with 243 additions and 4 deletions
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115
none/tests/mips32/test_math.cpp Normal file
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#include <fenv.h>
#include <limits.h>
#include <math.h>
#include <stdint.h>
#include <stdio.h>
static void DivideByZero() {
// volatile to prevent compiler optimizations.
volatile float zero = 0.0f;
volatile float result __attribute__((unused)) = 123.0f / zero;
}
int main () {
/* Testing lrint. */
fesetround(FE_UPWARD); // lrint/lrintf/lrintl obey the rounding mode.
printf("fesetround(FE_UPWARD)\n");
printf("lrint(1234.01): %ld\n", lrint(1234.01));
printf("lrintf(1234.01f): %ld\n", lrintf(1234.01f));
printf("lrintl(1234.01): %ld\n", lrintl(1234.01));
fesetround(FE_TOWARDZERO); // lrint/lrintf/lrintl obey the rounding mode.
printf("fesetround(FE_TOWARDZERO)\n");
printf("lrint(1234.01): %ld\n", lrint(1234.01));
printf("lrintf(1234.01f): %ld\n", lrintf(1234.01f));
printf("lrintl(1234.01): %ld\n", lrintl(1234.01));
fesetround(FE_UPWARD); // llrint/llrintf/llrintl obey the rounding mode.
printf("fesetround(FE_UPWARD)\n");
printf("llrint(1234.01): %lld\n", llrint(1234.01));
printf("llrintf(1234.01f): %lld\n", llrintf(1234.01f));
printf("llrintf(1234.01f): %lld\n", llrintl(1234.01));
fesetround(FE_TOWARDZERO); // llrint/llrintf/llrintl obey the rounding mode.
printf("fesetround(FE_TOWARDZERO)\n");
printf("llrint(1234.01): %lld\n", llrint(1234.01));
printf("llrintf(1234.01f): %lld\n", llrintf(1234.01f));
printf("llrintl(1234.01): %lld\n", llrintl(1234.01));
/* Tesing rint. */
fesetround(FE_UPWARD); // rint/rintf/rintl obey the rounding mode.
printf("fesetround(FE_UPWARD)\n");
feclearexcept(FE_ALL_EXCEPT); // rint/rintf/rintl do set the FE_INEXACT flag.
printf("feclearexcept(FE_ALL_EXCEPT)\n");
printf("rint(1234.0): %f\n", rint(1234.0));
printf("(fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT): %d\n",
(fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT));
printf("rint(1234.01): %f\n", rint(1234.01));
printf("(fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT): %d\n",
(fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT));
feclearexcept(FE_ALL_EXCEPT); // rint/rintf/rintl do set the FE_INEXACT flag.
printf("feclearexcept(FE_ALL_EXCEPT)\n");
printf("rintf(1234.0f): %f\n", rintf(1234.0f));
printf("(fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT): %d\n",
(fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT));
printf("rintf(1234.01f): %f\n", rintf(1234.01f));
printf("(fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT): %d\n",
(fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT));
feclearexcept(FE_ALL_EXCEPT); // rint/rintf/rintl do set the FE_INEXACT flag.
printf("feclearexcept(FE_ALL_EXCEPT)\n");
printf("rintl(1234.0): %Lf\n", rintl(1234.0));
printf("(fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT): %d\n",
(fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT));
printf("rintl(1234.01): %Lf\n", rintl(1234.01));
printf("(fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT): %d\n",
(fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT));
fesetround(FE_TOWARDZERO); // rint/rintf obey the rounding mode.
printf("fesetround(FE_TOWARDZERO)\n");
printf("rint(1234.01): %f\n", rint(1234.01));
printf("rintf(1234.01f): %f\n", rintf(1234.01f));
printf("rintl(1234.01): %Lf\n", rintl(1234.01));
/* Testing nearbyint. */
fesetround(FE_UPWARD); // nearbyint/nearbyintf/nearbyintl obey the rounding mode.
printf("fesetround(FE_UPWARD)\n");
feclearexcept(FE_ALL_EXCEPT); // nearbyint/nearbyintf/nearbyintl don't set the FE_INEXACT flag.
printf("feclearexcept(FE_ALL_EXCEPT)\n");
printf("nearbyint(1234.0): %f\n", nearbyint(1234.0));
printf("nearbyint(1234.01): %f\n", nearbyint(1234.01));
feclearexcept(FE_ALL_EXCEPT);
printf("feclearexcept(FE_ALL_EXCEPT)\n");
printf("nearbyintf(1234.0f): %f\n", nearbyintf(1234.0f));
printf("nearbyintf(1234.01f): %f\n", nearbyintf(1234.01f));
feclearexcept(FE_ALL_EXCEPT); // nearbyint/nearbyintf/nearbyintl don't set the FE_INEXACT flag.
printf("feclearexcept(FE_ALL_EXCEPT)\n");
printf("nearbyintl(1234.0f): %Lf\n", nearbyintl(1234.0f));
printf("nearbyintl(1234.01f): %Lf\n", nearbyintl(1234.01f));
fesetround(FE_TOWARDZERO); // nearbyint/nearbyintf/nearbyintl obey the rounding mode.
printf("fesetround(FE_TOWARDZERO)\n");
printf("nearbyint(1234.01): %f\n", nearbyint(1234.01));
printf("nearbyintf(1234.01f): %f\n", nearbyintf(1234.01f));
printf("nearbyintl(1234.01): %Lf\n", nearbyintl(1234.01));
/* Test log. */
printf("log(M_E): %lf\n", log(M_E));
/* Test tgamma. */
printf("tgamma(5.0): %lf\n", tgamma(5.0));
/* Test cbrt. */
printf("cbrt(27.0): %lf\n", cbrt(27.0));
/* Test dividing by zero. */
// Clearing clears.
printf("feclearexcept(FE_ALL_EXCEPT): %d\n", feclearexcept(FE_ALL_EXCEPT));
// Dividing by zero sets FE_DIVBYZERO.
DivideByZero();
int raised = fetestexcept(FE_DIVBYZERO | FE_OVERFLOW);
printf("raised: %d\n", raised);
return 0;
}