diff options
Diffstat (limited to 'test/builtins/Unit/extendhfsf2_test.c')
-rw-r--r-- | test/builtins/Unit/extendhfsf2_test.c | 113 |
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; +} |