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