Changeset 96216 in vbox for trunk/src/VBox/Runtime/testcase/tstRTNoCrt-2.cpp

Timestamp:

Aug 15, 2022 11:12:09 AM (2 years ago)

Author:

vboxsync

Message:

IPRT/nocrt: fabs[f] tests and 64-bit code improvements. bugref:10261

File:

• trunk/src/VBox/Runtime/testcase/tstRTNoCrt-2.cpp (modified) (2 diffs)

trunk/src/VBox/Runtime/testcase/tstRTNoCrt-2.cpp

@@ -345 +345 @@
     CHECK_LONG_SAME(llabs,(LONG_MIN));
     CHECK_LONG_SAME(llabs,(LONG_MAX));
+}
+
+
+void testFAbs()
+{
+    RTTestSub(g_hTest, "fabs[fl]");
+
+    CHECK_DBL(RT_NOCRT(fabs)(              +0.0),               +0.0);
+    CHECK_DBL(RT_NOCRT(fabs)(              -0.0),               +0.0);
+    CHECK_DBL(RT_NOCRT(fabs)(             -42.5),              +42.5);
+    CHECK_DBL(RT_NOCRT(fabs)(             +42.5),              +42.5);
+    CHECK_DBL(RT_NOCRT(fabs)(+1234.60958634e+20), +1234.60958634e+20);
+    CHECK_DBL(RT_NOCRT(fabs)(-1234.60958634e+20), +1234.60958634e+20);
+    CHECK_DBL(RT_NOCRT(fabs)(      +2.1984e-310),       +2.1984e-310); /* subnormal */
+    CHECK_DBL(RT_NOCRT(fabs)(      -2.1984e-310),       +2.1984e-310); /* subnormal */
+    CHECK_DBL(RT_NOCRT(fabs)(-INFINITY),                   +INFINITY);
+    CHECK_DBL(RT_NOCRT(fabs)(+INFINITY),                   +INFINITY);
+    CHECK_DBL(RT_NOCRT(fabs)(RTStrNanDouble(NULL, true)), RTStrNanDouble(NULL, true));
+    CHECK_DBL(RT_NOCRT(fabs)(RTStrNanDouble("s", false)), RTStrNanDouble("s", true));
+    CHECK_DBL_SAME(fabs,(              -0.0));
+    CHECK_DBL_SAME(fabs,(              +0.0));
+    CHECK_DBL_SAME(fabs,(             +22.5));
+    CHECK_DBL_SAME(fabs,(             -22.5));
+    CHECK_DBL_SAME(fabs,(      +2.1984e-310)); /* subnormal */
+    CHECK_DBL_SAME(fabs,(      -2.1984e-310)); /* subnormal */
+    CHECK_DBL_SAME(fabs,(+1234.60958634e+20));
+    CHECK_DBL_SAME(fabs,(-1234.60958634e+20));
+    CHECK_DBL_SAME(fabs,(-INFINITY));
+    CHECK_DBL_SAME(fabs,(+INFINITY));
+    CHECK_DBL_SAME(fabs,(RTStrNanDouble(NULL, true)));
+    CHECK_DBL_SAME(fabs,(RTStrNanDouble("s", false)));
+
+    CHECK_FLT(RT_NOCRT(fabsf)(              +0.0f),               +0.0f);
+    CHECK_FLT(RT_NOCRT(fabsf)(              -0.0f),               +0.0f);
+    CHECK_FLT(RT_NOCRT(fabsf)(             -42.5f),              +42.5f);
+    CHECK_FLT(RT_NOCRT(fabsf)(             +42.5f),              +42.5f);
+    CHECK_FLT(RT_NOCRT(fabsf)(+1234.60958634e+20f), +1234.60958634e+20f);
+    CHECK_FLT(RT_NOCRT(fabsf)(-1234.60958634e+20f), +1234.60958634e+20f);
+    CHECK_FLT(RT_NOCRT(fabsf)(      +2.1984e-310f),       +2.1984e-310f); /* subnormal */
+    CHECK_FLT(RT_NOCRT(fabsf)(      -2.1984e-310f),       +2.1984e-310f); /* subnormal */
+    CHECK_FLT(RT_NOCRT(fabsf)(-INFINITY),                     +INFINITY);
+    CHECK_FLT(RT_NOCRT(fabsf)(+INFINITY),                     +INFINITY);
+    CHECK_FLT(RT_NOCRT(fabsf)(RTStrNanFloat(NULL, true)), RTStrNanFloat(NULL, true));
+    CHECK_FLT(RT_NOCRT(fabsf)(RTStrNanFloat("s", false)), RTStrNanFloat("s", true));
+    CHECK_FLT_SAME(fabsf,(              -0.0f));
+    CHECK_FLT_SAME(fabsf,(              +0.0f));
+    CHECK_FLT_SAME(fabsf,(             +22.5f));
+    CHECK_FLT_SAME(fabsf,(             -22.5f));
+    CHECK_FLT_SAME(fabsf,(      +2.1984e-310f)); /* subnormal */
+    CHECK_FLT_SAME(fabsf,(      -2.1984e-310f)); /* subnormal */
+    CHECK_FLT_SAME(fabsf,(+1234.60958634e+20f));
+    CHECK_FLT_SAME(fabsf,(-1234.60958634e+20f));
+    CHECK_FLT_SAME(fabsf,(-INFINITY));
+    CHECK_FLT_SAME(fabsf,(+INFINITY));
+    CHECK_FLT_SAME(fabsf,(RTStrNanFloat(NULL, true)));
+#if 0 /* UCRT on windows converts this to a quiet NaN, so skip it. */
+    CHECK_FLT_SAME(fabsf,(RTStrNanFloat("s", false)));
+#endif
 }
 
@@ -2351 +2409 @@
 
     /* math.h */
+    testFAbs();
     testCopySign();
     testFmax();