diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/math/remquo.c | 7 | ||||
| -rw-r--r-- | src/math/remquof.c | 3 | ||||
| -rw-r--r-- | src/math/remquol.c | 3 |
3 files changed, 8 insertions, 5 deletions
diff --git a/src/math/remquo.c b/src/math/remquo.c index e92984ed..085466e6 100644 --- a/src/math/remquo.c +++ b/src/math/remquo.c @@ -44,7 +44,7 @@ double remquo(double x, double y, int *quo) goto fixup; } if (lx == ly) { /* |x| = |y| return x*0 */ - *quo = 1; + *quo = sxy ? -1 : 1; return Zero[(uint32_t)sx>>31]; } } @@ -127,6 +127,7 @@ double remquo(double x, double y, int *quo) /* convert back to floating value and restore the sign */ if ((hx|lx) == 0) { /* return sign(x)*0 */ + q &= 0x7fffffff; *quo = sxy ? -q : q; return Zero[(uint32_t)sx>>31]; } @@ -144,10 +145,10 @@ double remquo(double x, double y, int *quo) hx >>= n; } else if (n <= 31) { lx = (hx<<(32-n))|(lx>>n); - hx = sx; + hx = 0; } else { lx = hx>>(n-32); - hx = sx; + hx = 0; } } fixup: diff --git a/src/math/remquof.c b/src/math/remquof.c index 11569ce8..536a050a 100644 --- a/src/math/remquof.c +++ b/src/math/remquof.c @@ -41,7 +41,7 @@ float remquof(float x, float y, int *quo) q = 0; goto fixup; } else if(hx==hy) { /* |x| = |y| return x*0*/ - *quo = 1; + *quo = sxy ? -1 : 1; return Zero[(uint32_t)sx>>31]; } @@ -92,6 +92,7 @@ float remquof(float x, float y, int *quo) /* convert back to floating value and restore the sign */ if (hx == 0) { /* return sign(x)*0 */ + q &= 0x7fffffff; *quo = sxy ? -q : q; return Zero[(uint32_t)sx>>31]; } diff --git a/src/math/remquol.c b/src/math/remquol.c index 721231b4..a2e11728 100644 --- a/src/math/remquol.c +++ b/src/math/remquol.c @@ -94,7 +94,7 @@ long double remquol(long double x, long double y, int *quo) goto fixup; /* |x|<|y| return x or x-y */ } if (ux.bits.manh == uy.bits.manh && ux.bits.manl == uy.bits.manl) { - *quo = 1; + *quo = sxy ? -1 : 1; return Zero[sx]; /* |x|=|y| return x*0*/ } } @@ -152,6 +152,7 @@ long double remquol(long double x, long double y, int *quo) /* convert back to floating value and restore the sign */ if ((hx|lx) == 0) { /* return sign(x)*0 */ + q &= 0x7fffffff; *quo = sxy ? -q : q; return Zero[sx]; } |