diff options
Diffstat (limited to 'compiler-rt/lib/builtins/multc3.c')
| -rw-r--r-- | compiler-rt/lib/builtins/multc3.c | 93 |
1 files changed, 46 insertions, 47 deletions
diff --git a/compiler-rt/lib/builtins/multc3.c b/compiler-rt/lib/builtins/multc3.c index eeac53a092e..140eef4d284 100644 --- a/compiler-rt/lib/builtins/multc3.c +++ b/compiler-rt/lib/builtins/multc3.c @@ -16,52 +16,51 @@ /* Returns: the product of a + ib and c + id */ -COMPILER_RT_ABI long double _Complex -__multc3(long double a, long double b, long double c, long double d) -{ - long double ac = a * c; - long double bd = b * d; - long double ad = a * d; - long double bc = b * c; - long double _Complex z; - __real__ z = ac - bd; - __imag__ z = ad + bc; - if (crt_isnan(__real__ z) && crt_isnan(__imag__ z)) { - int recalc = 0; - if (crt_isinf(a) || crt_isinf(b)) { - a = crt_copysignl(crt_isinf(a) ? 1 : 0, a); - b = crt_copysignl(crt_isinf(b) ? 1 : 0, b); - if (crt_isnan(c)) - c = crt_copysignl(0, c); - if (crt_isnan(d)) - d = crt_copysignl(0, d); - recalc = 1; - } - if (crt_isinf(c) || crt_isinf(d)) { - c = crt_copysignl(crt_isinf(c) ? 1 : 0, c); - d = crt_copysignl(crt_isinf(d) ? 1 : 0, d); - if (crt_isnan(a)) - a = crt_copysignl(0, a); - if (crt_isnan(b)) - b = crt_copysignl(0, b); - recalc = 1; - } - if (!recalc && (crt_isinf(ac) || crt_isinf(bd) || - crt_isinf(ad) || crt_isinf(bc))) { - if (crt_isnan(a)) - a = crt_copysignl(0, a); - if (crt_isnan(b)) - b = crt_copysignl(0, b); - if (crt_isnan(c)) - c = crt_copysignl(0, c); - if (crt_isnan(d)) - d = crt_copysignl(0, d); - recalc = 1; - } - if (recalc) { - __real__ z = CRT_INFINITY * (a * c - b * d); - __imag__ z = CRT_INFINITY * (a * d + b * c); - } +COMPILER_RT_ABI long double _Complex __multc3(long double a, long double b, + long double c, long double d) { + long double ac = a * c; + long double bd = b * d; + long double ad = a * d; + long double bc = b * c; + long double _Complex z; + __real__ z = ac - bd; + __imag__ z = ad + bc; + if (crt_isnan(__real__ z) && crt_isnan(__imag__ z)) { + int recalc = 0; + if (crt_isinf(a) || crt_isinf(b)) { + a = crt_copysignl(crt_isinf(a) ? 1 : 0, a); + b = crt_copysignl(crt_isinf(b) ? 1 : 0, b); + if (crt_isnan(c)) + c = crt_copysignl(0, c); + if (crt_isnan(d)) + d = crt_copysignl(0, d); + recalc = 1; } - return z; + if (crt_isinf(c) || crt_isinf(d)) { + c = crt_copysignl(crt_isinf(c) ? 1 : 0, c); + d = crt_copysignl(crt_isinf(d) ? 1 : 0, d); + if (crt_isnan(a)) + a = crt_copysignl(0, a); + if (crt_isnan(b)) + b = crt_copysignl(0, b); + recalc = 1; + } + if (!recalc && + (crt_isinf(ac) || crt_isinf(bd) || crt_isinf(ad) || crt_isinf(bc))) { + if (crt_isnan(a)) + a = crt_copysignl(0, a); + if (crt_isnan(b)) + b = crt_copysignl(0, b); + if (crt_isnan(c)) + c = crt_copysignl(0, c); + if (crt_isnan(d)) + d = crt_copysignl(0, d); + recalc = 1; + } + if (recalc) { + __real__ z = CRT_INFINITY * (a * c - b * d); + __imag__ z = CRT_INFINITY * (a * d + b * c); + } + } + return z; } |
