diff options
Diffstat (limited to 'sysdeps/libm-ieee754/s_remquof.c')
| -rw-r--r-- | sysdeps/libm-ieee754/s_remquof.c | 56 |
1 files changed, 28 insertions, 28 deletions
diff --git a/sysdeps/libm-ieee754/s_remquof.c b/sysdeps/libm-ieee754/s_remquof.c index cce5495ce8..0968fe650b 100644 --- a/sysdeps/libm-ieee754/s_remquof.c +++ b/sysdeps/libm-ieee754/s_remquof.c @@ -29,70 +29,70 @@ static const float zero = 0.0; float __remquof (float x, float y, int *quo) { - int32_t hx,hp; + int32_t hx,hy; u_int32_t sx; - int cquo; + int cquo, qs; GET_FLOAT_WORD (hx, x); - GET_FLOAT_WORD (hp, p); + GET_FLOAT_WORD (hy, y); sx = hx & 0x80000000; - qs = (sx ^ (hp & 0x80000000)) >> 31; - hp &= 0x7fffffff; + qs = sx ^ (hy & 0x80000000); + hy &= 0x7fffffff; hx &= 0x7fffffff; /* Purge off exception values. */ - if (hp == 0) - return (x * p) / (x * p); /* p = 0 */ + if (hy == 0) + return (x * y) / (x * y); /* y = 0 */ if ((hx >= 0x7f800000) /* x not finite */ - || (hp > 0x7f800000)) /* p is NaN */ - return (x * p) / (x * p); + || (hy > 0x7f800000)) /* y is NaN */ + return (x * y) / (x * y); - if (hp <= 0x7dffffff) + if (hy <= 0x7dffffff) { - x = __ieee754_fmodf (x, 8 * p); /* now x < 8p */ + x = __ieee754_fmodf (x, 8 * y); /* now x < 8y */ - if (fabs (x) >= 4 * fabs (p)) + if (fabs (x) >= 4 * fabs (y)) cquo += 4; } - if ((hx - hp) == 0) + if ((hx - hy) == 0) { *quo = qs ? -1 : 1; return zero * x; } x = fabsf (x); - p = fabsf (p); + y = fabsf (y); cquo = 0; - if (x >= 2 * p) + if (x >= 2 * y) { - x -= 4 * p; + x -= 4 * y; cquo += 2; } - if (x >= p) + if (x >= y) { - x -= 2 * p; + x -= 2 * y; ++cquo; } - if (hp < 0x01000000) + if (hy < 0x01000000) { - if (x + x > p) + if (x + x > y) { - x -= p; - if (x + x >= p) - x -= p; + x -= y; + if (x + x >= y) + x -= y; } } else { - float p_half = 0.5 * p; - if(x > p_half) + float y_half = 0.5 * y; + if(x > y_half) { - x -= p; - if (x >= p_half) - x -= p; + x -= y; + if (x >= y_half) + x -= y; } } |