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-rw-r--r--test/builtins/Unit/extendhfsf2_test.c113
1 files changed, 113 insertions, 0 deletions
diff --git a/test/builtins/Unit/extendhfsf2_test.c b/test/builtins/Unit/extendhfsf2_test.c
new file mode 100644
index 000000000000..5dd994cae1c6
--- /dev/null
+++ b/test/builtins/Unit/extendhfsf2_test.c
@@ -0,0 +1,113 @@
+//===--------------- extendhfsf2_test.c - Test __extendhfsf2 --------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file tests __extendhfsf2 for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
+
+#include <stdio.h>
+
+#include "fp_test.h"
+
+float __extendhfsf2(uint16_t a);
+
+int test__extendhfsf2(uint16_t a, float expected)
+{
+ float x = __extendhfsf2(a);
+ int ret = compareResultH(x, expected);
+
+ if (ret){
+ printf("error in test__extendhfsf2(%#.4x) = %f, "
+ "expected %f\n", a, x, expected);
+ }
+ return ret;
+}
+
+char assumption_1[sizeof(__fp16) * CHAR_BIT == 16] = {0};
+
+int main()
+{
+ // qNaN
+ if (test__extendhfsf2(UINT16_C(0x7e00),
+ makeQNaN32()))
+ return 1;
+ // NaN
+ if (test__extendhfsf2(UINT16_C(0x7e00),
+ makeNaN32(UINT32_C(0x8000))))
+ return 1;
+ // inf
+ if (test__extendhfsf2(UINT16_C(0x7c00),
+ makeInf32()))
+ return 1;
+ if (test__extendhfsf2(UINT16_C(0xfc00),
+ -makeInf32()))
+ return 1;
+ // zero
+ if (test__extendhfsf2(UINT16_C(0x0),
+ 0.0f))
+ return 1;
+ if (test__extendhfsf2(UINT16_C(0x8000),
+ -0.0f))
+ return 1;
+
+ if (test__extendhfsf2(UINT16_C(0x4248),
+ 3.1415926535f))
+ return 1;
+ if (test__extendhfsf2(UINT16_C(0xc248),
+ -3.1415926535f))
+ return 1;
+ if (test__extendhfsf2(UINT16_C(0x7c00),
+ 0x1.987124876876324p+100f))
+ return 1;
+ if (test__extendhfsf2(UINT16_C(0x6e62),
+ 0x1.988p+12f))
+ return 1;
+ if (test__extendhfsf2(UINT16_C(0x3c00),
+ 0x1.0p+0f))
+ return 1;
+ if (test__extendhfsf2(UINT16_C(0x0400),
+ 0x1.0p-14f))
+ return 1;
+ // denormal
+ if (test__extendhfsf2(UINT16_C(0x0010),
+ 0x1.0p-20f))
+ return 1;
+ if (test__extendhfsf2(UINT16_C(0x0001),
+ 0x1.0p-24f))
+ return 1;
+ if (test__extendhfsf2(UINT16_C(0x8001),
+ -0x1.0p-24f))
+ return 1;
+ if (test__extendhfsf2(UINT16_C(0x0001),
+ 0x1.5p-25f))
+ return 1;
+ // and back to zero
+ if (test__extendhfsf2(UINT16_C(0x0000),
+ 0x1.0p-25f))
+ return 1;
+ if (test__extendhfsf2(UINT16_C(0x8000),
+ -0x1.0p-25f))
+ return 1;
+ // max (precise)
+ if (test__extendhfsf2(UINT16_C(0x7bff),
+ 65504.0f))
+ return 1;
+ // max (rounded)
+ if (test__extendhfsf2(UINT16_C(0x7bff),
+ 65504.0f))
+ return 1;
+ // max (to +inf)
+ if (test__extendhfsf2(UINT16_C(0x7c00),
+ makeInf32()))
+ return 1;
+ if (test__extendhfsf2(UINT16_C(0xfc00),
+ -makeInf32()))
+ return 1;
+ return 0;
+}