From 1497dccd63a84b7ee2b229b1ad9c5c02718f2a78 Mon Sep 17 00:00:00 2001 From: chai Date: Tue, 19 Mar 2019 23:06:27 +0800 Subject: *rename --- Source/3rdParty/SDL2/src/libm/s_floor.c | 71 --------------------------------- 1 file changed, 71 deletions(-) delete mode 100644 Source/3rdParty/SDL2/src/libm/s_floor.c (limited to 'Source/3rdParty/SDL2/src/libm/s_floor.c') diff --git a/Source/3rdParty/SDL2/src/libm/s_floor.c b/Source/3rdParty/SDL2/src/libm/s_floor.c deleted file mode 100644 index 3f9a5ce..0000000 --- a/Source/3rdParty/SDL2/src/libm/s_floor.c +++ /dev/null @@ -1,71 +0,0 @@ -/* - * ==================================================== - * 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. - * ==================================================== - */ - -/* - * floor(x) - * Return x rounded toward -inf to integral value - * Method: - * Bit twiddling. - * Exception: - * Inexact flag raised if x not equal to floor(x). - */ - -/*#include */ -/* Prevent math.h from defining a colliding inline */ -#undef __USE_EXTERN_INLINES -#include "math_libm.h" -#include "math_private.h" - -static const double huge = 1.0e300; - -double floor(double x) -{ - int32_t i0,i1,j0; - u_int32_t i,j; - EXTRACT_WORDS(i0,i1,x); - j0 = ((i0>>20)&0x7ff)-0x3ff; - if(j0<20) { - if(j0<0) { /* raise inexact if x != 0 */ - if(huge+x>0.0) {/* return 0*sign(x) if |x|<1 */ - if(i0>=0) {i0=i1=0;} - else if(((i0&0x7fffffff)|i1)!=0) - { i0=0xbff00000;i1=0;} - } - } else { - i = (0x000fffff)>>j0; - if(((i0&i)|i1)==0) return x; /* x is integral */ - if(huge+x>0.0) { /* raise inexact flag */ - if(i0<0) i0 += (0x00100000)>>j0; - i0 &= (~i); i1=0; - } - } - } else if (j0>51) { - if(j0==0x400) return x+x; /* inf or NaN */ - else return x; /* x is integral */ - } else { - i = ((u_int32_t)(0xffffffff))>>(j0-20); - if((i1&i)==0) return x; /* x is integral */ - if(huge+x>0.0) { /* raise inexact flag */ - if(i0<0) { - if(j0==20) i0+=1; - else { - j = i1+(1<<(52-j0)); - if(j<(u_int32_t)i1) i0 +=1 ; /* got a carry */ - i1=j; - } - } - i1 &= (~i); - } - } - INSERT_WORDS(x,i0,i1); - return x; -} -libm_hidden_def(floor) -- cgit v1.1-26-g67d0