GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libcompiler_rt/mulsc3.c Lines: 0 35 0.0 %
Date: 2017-11-13 Branches: 0 40 0.0 %

Line Branch Exec Source
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/* ===-- mulsc3.c - Implement __mulsc3 -------------------------------------===
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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 implements __mulsc3 for the compiler_rt library.
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 *
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 * ===----------------------------------------------------------------------===
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 */
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#include "int_lib.h"
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#include "int_math.h"
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/* Returns: the product of a + ib and c + id */
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COMPILER_RT_ABI Fcomplex
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__mulsc3(float __a, float __b, float __c, float __d)
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{
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    float __ac = __a * __c;
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    float __bd = __b * __d;
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    float __ad = __a * __d;
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    float __bc = __b * __c;
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    Fcomplex z;
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    COMPLEX_REAL(z) = __ac - __bd;
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    COMPLEX_IMAGINARY(z) = __ad + __bc;
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    if (crt_isnan(COMPLEX_REAL(z)) && crt_isnan(COMPLEX_IMAGINARY(z)))
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    {
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        int __recalc = 0;
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        if (crt_isinf(__a) || crt_isinf(__b))
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        {
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            __a = crt_copysignf(crt_isinf(__a) ? 1 : 0, __a);
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            __b = crt_copysignf(crt_isinf(__b) ? 1 : 0, __b);
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            if (crt_isnan(__c))
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                __c = crt_copysignf(0, __c);
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            if (crt_isnan(__d))
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                __d = crt_copysignf(0, __d);
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            __recalc = 1;
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        }
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        if (crt_isinf(__c) || crt_isinf(__d))
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        {
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            __c = crt_copysignf(crt_isinf(__c) ? 1 : 0, __c);
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            __d = crt_copysignf(crt_isinf(__d) ? 1 : 0, __d);
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            if (crt_isnan(__a))
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                __a = crt_copysignf(0, __a);
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            if (crt_isnan(__b))
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                __b = crt_copysignf(0, __b);
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            __recalc = 1;
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        }
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        if (!__recalc && (crt_isinf(__ac) || crt_isinf(__bd) ||
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                          crt_isinf(__ad) || crt_isinf(__bc)))
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        {
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            if (crt_isnan(__a))
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                __a = crt_copysignf(0, __a);
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            if (crt_isnan(__b))
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                __b = crt_copysignf(0, __b);
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            if (crt_isnan(__c))
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                __c = crt_copysignf(0, __c);
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            if (crt_isnan(__d))
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                __d = crt_copysignf(0, __d);
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            __recalc = 1;
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        }
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        if (__recalc)
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        {
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            COMPLEX_REAL(z) = CRT_INFINITY * (__a * __c - __b * __d);
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            COMPLEX_IMAGINARY(z) = CRT_INFINITY * (__a * __d + __b * __c);
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        }
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    }
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    return z;
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}