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add parenthesis in fma.c to clarify intent and silence warnings

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Szabolcs Nagy 2015-02-08 17:40:54 +01:00
parent c63c98a606
commit 6e76e1540f
1 changed files with 1 additions and 1 deletions
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src/math/fma.c
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@ -273,7 +273,7 @@ static inline double add_and_denormalize(double a, double b, int scale)
if (sum.lo != 0) { if (sum.lo != 0) {
uhi.f = sum.hi; uhi.f = sum.hi;
bits_lost = -((int)(uhi.i >> 52) & 0x7ff) - scale + 1; bits_lost = -((int)(uhi.i >> 52) & 0x7ff) - scale + 1;
if (bits_lost != 1 ^ (int)(uhi.i & 1)) { if ((bits_lost != 1) ^ (int)(uhi.i & 1)) {
/* hibits += (int)copysign(1.0, sum.hi * sum.lo) */ /* hibits += (int)copysign(1.0, sum.hi * sum.lo) */
ulo.f = sum.lo; ulo.f = sum.lo;
uhi.i += 1 - (((uhi.i ^ ulo.i) >> 62) & 2); uhi.i += 1 - (((uhi.i ^ ulo.i) >> 62) & 2);