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-rw-r--r--test/Unit/powixf2_test.c230
1 files changed, 230 insertions, 0 deletions
diff --git a/test/Unit/powixf2_test.c b/test/Unit/powixf2_test.c
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+++ b/test/Unit/powixf2_test.c
@@ -0,0 +1,230 @@
+//===-- powixf2_test.cpp - Test __powixf2 ---------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file tests __powixf2 for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
+
+#if !_ARCH_PPC
+
+#include "int_lib.h"
+#include <stdio.h>
+#include <math.h>
+
+// Returns: a ^ b
+
+long double __powixf2(long double a, si_int b);
+
+int test__powixf2(long double a, si_int b, long double expected)
+{
+ long double x = __powixf2(a, b);
+ int correct = (x == expected) && (signbit(x) == signbit(expected));
+ if (!correct)
+ printf("error in __powixf2(%Lf, %d) = %Lf, expected %Lf\n",
+ a, b, x, expected);
+ return !correct;
+}
+
+#endif
+
+int main()
+{
+#if !_ARCH_PPC
+ if (test__powixf2(0, 0, 1))
+ return 1;
+ if (test__powixf2(1, 0, 1))
+ return 1;
+ if (test__powixf2(1.5, 0, 1))
+ return 1;
+ if (test__powixf2(2, 0, 1))
+ return 1;
+ if (test__powixf2(INFINITY, 0, 1))
+ return 1;
+
+ if (test__powixf2(-0., 0, 1))
+ return 1;
+ if (test__powixf2(-1, 0, 1))
+ return 1;
+ if (test__powixf2(-1.5, 0, 1))
+ return 1;
+ if (test__powixf2(-2, 0, 1))
+ return 1;
+ if (test__powixf2(-INFINITY, 0, 1))
+ return 1;
+
+ if (test__powixf2(0, 1, 0))
+ return 1;
+ if (test__powixf2(0, 2, 0))
+ return 1;
+ if (test__powixf2(0, 3, 0))
+ return 1;
+ if (test__powixf2(0, 4, 0))
+ return 1;
+ if (test__powixf2(0, 0x7FFFFFFE, 0))
+ return 1;
+ if (test__powixf2(0, 0x7FFFFFFF, 0))
+ return 1;
+
+ if (test__powixf2(-0., 1, -0.))
+ return 1;
+ if (test__powixf2(-0., 2, 0))
+ return 1;
+ if (test__powixf2(-0., 3, -0.))
+ return 1;
+ if (test__powixf2(-0., 4, 0))
+ return 1;
+ if (test__powixf2(-0., 0x7FFFFFFE, 0))
+ return 1;
+ if (test__powixf2(-0., 0x7FFFFFFF, -0.))
+ return 1;
+
+ if (test__powixf2(1, 1, 1))
+ return 1;
+ if (test__powixf2(1, 2, 1))
+ return 1;
+ if (test__powixf2(1, 3, 1))
+ return 1;
+ if (test__powixf2(1, 4, 1))
+ return 1;
+ if (test__powixf2(1, 0x7FFFFFFE, 1))
+ return 1;
+ if (test__powixf2(1, 0x7FFFFFFF, 1))
+ return 1;
+
+ if (test__powixf2(INFINITY, 1, INFINITY))
+ return 1;
+ if (test__powixf2(INFINITY, 2, INFINITY))
+ return 1;
+ if (test__powixf2(INFINITY, 3, INFINITY))
+ return 1;
+ if (test__powixf2(INFINITY, 4, INFINITY))
+ return 1;
+ if (test__powixf2(INFINITY, 0x7FFFFFFE, INFINITY))
+ return 1;
+ if (test__powixf2(INFINITY, 0x7FFFFFFF, INFINITY))
+ return 1;
+
+ if (test__powixf2(-INFINITY, 1, -INFINITY))
+ return 1;
+ if (test__powixf2(-INFINITY, 2, INFINITY))
+ return 1;
+ if (test__powixf2(-INFINITY, 3, -INFINITY))
+ return 1;
+ if (test__powixf2(-INFINITY, 4, INFINITY))
+ return 1;
+ if (test__powixf2(-INFINITY, 0x7FFFFFFE, INFINITY))
+ return 1;
+ if (test__powixf2(-INFINITY, 0x7FFFFFFF, -INFINITY))
+ return 1;
+
+ if (test__powixf2(0, -1, INFINITY))
+ return 1;
+ if (test__powixf2(0, -2, INFINITY))
+ return 1;
+ if (test__powixf2(0, -3, INFINITY))
+ return 1;
+ if (test__powixf2(0, -4, INFINITY))
+ return 1;
+ if (test__powixf2(0, 0x80000002, INFINITY))
+ return 1;
+ if (test__powixf2(0, 0x80000001, INFINITY))
+ return 1;
+ if (test__powixf2(0, 0x80000000, INFINITY))
+ return 1;
+
+ if (test__powixf2(-0., -1, -INFINITY))
+ return 1;
+ if (test__powixf2(-0., -2, INFINITY))
+ return 1;
+ if (test__powixf2(-0., -3, -INFINITY))
+ return 1;
+ if (test__powixf2(-0., -4, INFINITY))
+ return 1;
+ if (test__powixf2(-0., 0x80000002, INFINITY))
+ return 1;
+ if (test__powixf2(-0., 0x80000001, -INFINITY))
+ return 1;
+ if (test__powixf2(-0., 0x80000000, INFINITY))
+ return 1;
+
+ if (test__powixf2(1, -1, 1))
+ return 1;
+ if (test__powixf2(1, -2, 1))
+ return 1;
+ if (test__powixf2(1, -3, 1))
+ return 1;
+ if (test__powixf2(1, -4, 1))
+ return 1;
+ if (test__powixf2(1, 0x80000002, 1))
+ return 1;
+ if (test__powixf2(1, 0x80000001, 1))
+ return 1;
+ if (test__powixf2(1, 0x80000000, 1))
+ return 1;
+
+ if (test__powixf2(INFINITY, -1, 0))
+ return 1;
+ if (test__powixf2(INFINITY, -2, 0))
+ return 1;
+ if (test__powixf2(INFINITY, -3, 0))
+ return 1;
+ if (test__powixf2(INFINITY, -4, 0))
+ return 1;
+ if (test__powixf2(INFINITY, 0x80000002, 0))
+ return 1;
+ if (test__powixf2(INFINITY, 0x80000001, 0))
+ return 1;
+ if (test__powixf2(INFINITY, 0x80000000, 0))
+ return 1;
+
+ if (test__powixf2(-INFINITY, -1, -0.))
+ return 1;
+ if (test__powixf2(-INFINITY, -2, 0))
+ return 1;
+ if (test__powixf2(-INFINITY, -3, -0.))
+ return 1;
+ if (test__powixf2(-INFINITY, -4, 0))
+ return 1;
+ if (test__powixf2(-INFINITY, 0x80000002, 0))
+ return 1;
+ if (test__powixf2(-INFINITY, 0x80000001, -0.))
+ return 1;
+ if (test__powixf2(-INFINITY, 0x80000000, 0))
+ return 1;
+
+ if (test__powixf2(2, 10, 1024.))
+ return 1;
+ if (test__powixf2(-2, 10, 1024.))
+ return 1;
+ if (test__powixf2(2, -10, 1/1024.))
+ return 1;
+ if (test__powixf2(-2, -10, 1/1024.))
+ return 1;
+
+ if (test__powixf2(2, 19, 524288.))
+ return 1;
+ if (test__powixf2(-2, 19, -524288.))
+ return 1;
+ if (test__powixf2(2, -19, 1/524288.))
+ return 1;
+ if (test__powixf2(-2, -19, -1/524288.))
+ return 1;
+
+ if (test__powixf2(2, 31, 2147483648.))
+ return 1;
+ if (test__powixf2(-2, 31, -2147483648.))
+ return 1;
+ if (test__powixf2(2, -31, 1/2147483648.))
+ return 1;
+ if (test__powixf2(-2, -31, -1/2147483648.))
+ return 1;
+
+#endif
+ return 0;
+}
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