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-rw-r--r--src/math/s_trunc.c58
1 files changed, 0 insertions, 58 deletions
diff --git a/src/math/s_trunc.c b/src/math/s_trunc.c
deleted file mode 100644
index 02c65567..00000000
--- a/src/math/s_trunc.c
+++ /dev/null
@@ -1,58 +0,0 @@
-/* @(#)s_floor.c 5.1 93/09/24 */
-/*
- * ====================================================
- * 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.
- * ====================================================
- */
-
-/*
- * trunc(x)
- * Return x rounded toward 0 to integral value
- * Method:
- * Bit twiddling.
- * Exception:
- * Inexact flag raised if x not equal to trunc(x).
- */
-
-#include <math.h>
-#include "math_private.h"
-
-static const double huge = 1.0e300;
-
-double
-trunc(double x)
-{
- int32_t i0,i1,j0;
- uint32_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) {/* |x|<1, so return 0*sign(x) */
- i0 &= 0x80000000U;
- i1 = 0;
- }
- } else {
- i = (0x000fffff)>>j0;
- if(((i0&i)|i1)==0) return x; /* x is integral */
- if(huge+x>0.0) { /* raise inexact flag */
- 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 = ((uint32_t)(0xffffffff))>>(j0-20);
- if((i1&i)==0) return x; /* x is integral */
- if(huge+x>0.0) /* raise inexact flag */
- i1 &= (~i);
- }
- INSERT_WORDS(x,i0,i1);
- return x;
-}