From 7c04888cf9809e0c73f0813c74e8dd972facde3a Mon Sep 17 00:00:00 2001 From: Keith Packard Date: Sun, 5 Aug 2018 12:23:22 +0800 Subject: altos: Switch to newlib-nano for libc on arm Stop using pdclib Signed-off-by: Keith Packard --- src/math/sf_floor.c | 80 ----------------------------------------------------- 1 file changed, 80 deletions(-) delete mode 100644 src/math/sf_floor.c (limited to 'src/math/sf_floor.c') diff --git a/src/math/sf_floor.c b/src/math/sf_floor.c deleted file mode 100644 index 9264d81e..00000000 --- a/src/math/sf_floor.c +++ /dev/null @@ -1,80 +0,0 @@ -/* sf_floor.c -- float version of s_floor.c. - * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. - */ - -/* - * ==================================================== - * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. - * - * Developed at SunPro, a Sun Microsystems, Inc. business. - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - -/* - * floorf(x) - * Return x rounded toward -inf to integral value - * Method: - * Bit twiddling. - * Exception: - * Inexact flag raised if x not equal to floorf(x). - */ - -#include "fdlibm.h" - -#ifdef __STDC__ -static const float huge = 1.0e30; -#else -static float huge = 1.0e30; -#endif - -#ifdef __STDC__ - float floorf(float x) -#else - float floorf(x) - float x; -#endif -{ - __int32_t i0,j0; - __uint32_t i,ix; - GET_FLOAT_WORD(i0,x); - ix = (i0&0x7fffffff); - j0 = (ix>>23)-0x7f; - if(j0<23) { - if(j0<0) { /* raise inexact if x != 0 */ - if(huge+x>(float)0.0) {/* return 0*sign(x) if |x|<1 */ - if(i0>=0) {i0=0;} - else if(!FLT_UWORD_IS_ZERO(ix)) - { i0=0xbf800000;} - } - } else { - i = (0x007fffff)>>j0; - if((i0&i)==0) return x; /* x is integral */ - if(huge+x>(float)0.0) { /* raise inexact flag */ - if(i0<0) i0 += (0x00800000)>>j0; - i0 &= (~i); - } - } - } else { - if(!FLT_UWORD_IS_FINITE(ix)) return x+x; /* inf or NaN */ - else return x; /* x is integral */ - } - SET_FLOAT_WORD(x,i0); - return x; -} - -#ifdef _DOUBLE_IS_32BITS - -#ifdef __STDC__ - double floor(double x) -#else - double floor(x) - double x; -#endif -{ - return (double) floorf((float) x); -} - -#endif /* defined(_DOUBLE_IS_32BITS) */ -- cgit v1.2.3