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Adjust s_nearbyintf.c and s_nearbyintl.c regarding code style.
This patch just adjusts the generic implementation regarding code style. No functional change. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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@ -24,7 +24,7 @@
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#include <math-use-builtins.h>
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float
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__nearbyintf(float x)
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__nearbyintf (float x)
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{
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#if USE_NEARBYINTF_BUILTIN
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return __builtin_nearbyintf (x);
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@ -35,33 +35,39 @@ __nearbyintf(float x)
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8.3886080000e+06, /* 0x4b000000 */
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-8.3886080000e+06, /* 0xcb000000 */
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};
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fenv_t env;
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int32_t i0,j0,sx;
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float w,t;
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GET_FLOAT_WORD(i0,x);
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sx = (i0>>31)&1;
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j0 = ((i0>>23)&0xff)-0x7f;
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if(j0<23) {
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if(j0<0) {
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libc_feholdexceptf (&env);
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w = TWO23[sx] + math_opt_barrier (x);
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t = w-TWO23[sx];
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math_force_eval (t);
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libc_fesetenvf (&env);
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GET_FLOAT_WORD(i0,t);
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SET_FLOAT_WORD(t,(i0&0x7fffffff)|(sx<<31));
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return t;
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}
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} else {
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if(__builtin_expect(j0==0x80, 0)) return x+x; /* inf or NaN */
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else return x; /* x is integral */
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fenv_t env;
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int32_t i0, j0, sx;
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float w, t;
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GET_FLOAT_WORD (i0, x);
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sx = (i0 >> 31) & 1;
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j0 = ((i0 >> 23) & 0xff) - 0x7f;
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if (j0 < 23)
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{
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if (j0 < 0)
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{
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libc_feholdexceptf (&env);
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w = TWO23[sx] + math_opt_barrier (x);
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t = w - TWO23[sx];
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math_force_eval (t);
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libc_fesetenvf (&env);
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GET_FLOAT_WORD (i0, t);
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SET_FLOAT_WORD (t, (i0 & 0x7fffffff) | (sx << 31));
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return t;
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}
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libc_feholdexceptf (&env);
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w = TWO23[sx] + math_opt_barrier (x);
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t = w-TWO23[sx];
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math_force_eval (t);
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libc_fesetenvf (&env);
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return t;
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}
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else
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{
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if (__glibc_unlikely (j0 == 0x80))
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return x + x; /* inf or NaN */
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else
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return x; /* x is integral */
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}
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libc_feholdexceptf (&env);
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w = TWO23[sx] + math_opt_barrier (x);
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t = w - TWO23[sx];
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math_force_eval (t);
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libc_fesetenvf (&env);
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return t;
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#endif /* ! USE_NEARBYINT_BUILTIN */
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}
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libm_alias_float (__nearbyint, nearbyint)
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@ -30,7 +30,8 @@
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#include <libm-alias-ldouble.h>
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#include <math-use-builtins.h>
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_Float128 __nearbyintl(_Float128 x)
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_Float128
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__nearbyintl (_Float128 x)
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{
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#if USE_NEARBYINTL_BUILTIN
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return __builtin_nearbyintl (x);
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@ -41,34 +42,40 @@ _Float128 __nearbyintl(_Float128 x)
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L(5.19229685853482762853049632922009600E+33), /* 0x406F000000000000, 0 */
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L(-5.19229685853482762853049632922009600E+33) /* 0xC06F000000000000, 0 */
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};
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fenv_t env;
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int64_t i0,j0,sx;
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uint64_t i1 __attribute__ ((unused));
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_Float128 w,t;
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GET_LDOUBLE_WORDS64(i0,i1,x);
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sx = (((uint64_t)i0)>>63);
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j0 = ((i0>>48)&0x7fff)-0x3fff;
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if(j0<112) {
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if(j0<0) {
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feholdexcept (&env);
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w = TWO112[sx] + math_opt_barrier (x);
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t = w-TWO112[sx];
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math_force_eval (t);
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fesetenv (&env);
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GET_LDOUBLE_MSW64(i0,t);
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SET_LDOUBLE_MSW64(t,(i0&0x7fffffffffffffffLL)|(sx<<63));
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return t;
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}
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} else {
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if(j0==0x4000) return x+x; /* inf or NaN */
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else return x; /* x is integral */
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fenv_t env;
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int64_t i0, j0, sx;
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uint64_t i1 __attribute__ ((unused));
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_Float128 w, t;
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GET_LDOUBLE_WORDS64 (i0, i1, x);
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sx = (((uint64_t) i0) >> 63);
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j0 = ((i0 >> 48) & 0x7fff) - 0x3fff;
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if (j0 < 112)
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{
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if (j0 < 0)
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{
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feholdexcept (&env);
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w = TWO112[sx] + math_opt_barrier (x);
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t = w - TWO112[sx];
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math_force_eval (t);
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fesetenv (&env);
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GET_LDOUBLE_MSW64 (i0, t);
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SET_LDOUBLE_MSW64 (t, (i0 & 0x7fffffffffffffffLL) | (sx << 63));
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return t;
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}
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feholdexcept (&env);
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w = TWO112[sx] + math_opt_barrier (x);
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t = w-TWO112[sx];
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math_force_eval (t);
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fesetenv (&env);
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return t;
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}
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else
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{
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if (j0 == 0x4000)
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return x + x; /* inf or NaN */
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else
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return x; /* x is integral */
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}
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feholdexcept (&env);
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w = TWO112[sx] + math_opt_barrier (x);
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t = w - TWO112[sx];
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math_force_eval (t);
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fesetenv (&env);
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return t;
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#endif /* ! USE_NEARBYINTL_BUILTIN */
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}
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libm_alias_ldouble (__nearbyint, nearbyint)
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