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| author | emaste <emaste@FreeBSD.org> | 2015-08-19 21:23:17 +0000 |
|---|---|---|
| committer | emaste <emaste@FreeBSD.org> | 2015-08-19 21:23:17 +0000 |
| commit | a5d3c20cee7b3a92932087404540ad1a091d1214 (patch) | |
| tree | a0a565db282f079c619a357ca84ff9b0aecce6c6 /contrib/compiler-rt/lib/builtins/multc3.c | |
| parent | 35a4e79d8f98bf3918300ec9f7d84ab967367fdb (diff) | |
| download | FreeBSD-src-a5d3c20cee7b3a92932087404540ad1a091d1214.zip FreeBSD-src-a5d3c20cee7b3a92932087404540ad1a091d1214.tar.gz | |
compiler-rt: update __multc3 to upstream style and variable names
I introduced a local copy of __multc3 in r281221, which has now been
committed upstream to compiler-rt in revision 245296. Update our version
to match the changes made there.
Sponsored by: The FreeBSD Foundation
Diffstat (limited to 'contrib/compiler-rt/lib/builtins/multc3.c')
| -rw-r--r-- | contrib/compiler-rt/lib/builtins/multc3.c | 83 |
1 files changed, 39 insertions, 44 deletions
diff --git a/contrib/compiler-rt/lib/builtins/multc3.c b/contrib/compiler-rt/lib/builtins/multc3.c index b9953cf..0518bc2 100644 --- a/contrib/compiler-rt/lib/builtins/multc3.c +++ b/contrib/compiler-rt/lib/builtins/multc3.c @@ -18,55 +18,50 @@ /* 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) +__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 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; + __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 (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 && (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); + if (recalc) { + __real__ z = CRT_INFINITY * (a * c - b * d); + __imag__ z = CRT_INFINITY * (a * d + b * c); } } return z; |
