Print this page
11210 libm should be cstyle(1ONBLD) clean

*** 20,38 **** */ /* * Copyright 2011 Nexenta Systems, Inc. All rights reserved. */ /* * Copyright 2006 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #pragma weak __ceilf = ceilf #pragma weak __floorf = floorf ! /* INDENT OFF */ /* * ceilf(x) return the biggest integral value (in float) below x * floorf(x) return the least integral value (in float) above x * * NOTE: ceilf(x) and floorf(x) return result --- 20,39 ---- */ /* * Copyright 2011 Nexenta Systems, Inc. All rights reserved. */ + /* * Copyright 2006 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #pragma weak __ceilf = ceilf #pragma weak __floorf = floorf ! /* * ceilf(x) return the biggest integral value (in float) below x * floorf(x) return the least integral value (in float) above x * * NOTE: ceilf(x) and floorf(x) return result
*** 40,111 **** */ #include "libm.h" static const float xf[] = { ! /* ZEROF */ 0.0f, /* ONEF */ 1.0f, /* MONEF */ -1.0f, ! /* HUGEF */ 1.0e30f, ! }; #define ZEROF xf[0] #define ONEF xf[1] #define MONEF xf[2] #define HUGEF xf[3] - /* INDENT ON */ float ! ceilf(float x) { volatile float dummy __unused; int hx, k, j, ix; ! hx = *(int *) &x; ix = hx & ~0x80000000; k = ix >> 23; if (((k - 127) ^ (k - 150)) < 0) { k = (1 << (150 - k)) - 1; if ((k & hx) != 0) dummy = HUGEF + x; /* raise inexact */ j = k & (~(hx >> 31)); ! *(int *) &x = (hx + j) & ~k; return (x); } else if (k <= 126) { dummy = HUGEF + x; if (hx > 0) return (ONEF); else if (ix == 0) return (x); else return (-ZEROF); ! } else /* signal invalid if x is a SNaN */ return (x * ONEF); /* +0 -> *1 for Cheetah */ } float ! floorf(float x) { volatile float dummy __unused; int hx, k, j, ix; ! hx = *(int *) &x; ix = hx & ~0x80000000; k = ix >> 23; if (((k - 127) ^ (k - 150)) < 0) { k = (1 << (150 - k)) - 1; if ((k & hx) != 0) dummy = HUGEF + x; /* raise inexact */ j = k & (hx >> 31); ! *(int *) &x = (hx + j) & ~k; return (x); } else if (k <= 126) { dummy = HUGEF + x; if (hx > 0) return (ZEROF); else if (ix == 0) return (x); else return (MONEF); ! } else /* signal invalid if x is a SNaN */ return (x * ONEF); /* +0 -> *1 for Cheetah */ } --- 41,123 ---- */ #include "libm.h" static const float xf[] = { ! /* ZEROF */ ! 0.0f, /* ONEF */ 1.0f, /* MONEF */ -1.0f, ! /* HUGEF */ 1.0e30f, }; #define ZEROF xf[0] #define ONEF xf[1] #define MONEF xf[2] #define HUGEF xf[3] float ! ceilf(float x) ! { volatile float dummy __unused; int hx, k, j, ix; ! hx = *(int *)&x; ix = hx & ~0x80000000; k = ix >> 23; + if (((k - 127) ^ (k - 150)) < 0) { k = (1 << (150 - k)) - 1; + if ((k & hx) != 0) dummy = HUGEF + x; /* raise inexact */ + j = k & (~(hx >> 31)); ! *(int *)&x = (hx + j) & ~k; return (x); } else if (k <= 126) { dummy = HUGEF + x; + if (hx > 0) return (ONEF); else if (ix == 0) return (x); else return (-ZEROF); ! } else { /* signal invalid if x is a SNaN */ return (x * ONEF); /* +0 -> *1 for Cheetah */ + } } float ! floorf(float x) ! { volatile float dummy __unused; int hx, k, j, ix; ! hx = *(int *)&x; ix = hx & ~0x80000000; k = ix >> 23; + if (((k - 127) ^ (k - 150)) < 0) { k = (1 << (150 - k)) - 1; + if ((k & hx) != 0) dummy = HUGEF + x; /* raise inexact */ + j = k & (hx >> 31); ! *(int *)&x = (hx + j) & ~k; return (x); } else if (k <= 126) { dummy = HUGEF + x; + if (hx > 0) return (ZEROF); else if (ix == 0) return (x); else return (MONEF); ! } else { /* signal invalid if x is a SNaN */ return (x * ONEF); /* +0 -> *1 for Cheetah */ + } }