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Diffstat (limited to 'newlib/libm/math/w_scalb.c')
-rw-r--r--newlib/libm/math/w_scalb.c94
1 files changed, 0 insertions, 94 deletions
diff --git a/newlib/libm/math/w_scalb.c b/newlib/libm/math/w_scalb.c
deleted file mode 100644
index c32496892..000000000
--- a/newlib/libm/math/w_scalb.c
+++ /dev/null
@@ -1,94 +0,0 @@
-
-/* @(#)w_scalb.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.
- * ====================================================
- */
-
-/*
- * wrapper scalb(double x, double fn) is provide for
- * passing various standard test suite. One
- * should use scalbn() instead.
- */
-
-#include "fdlibm.h"
-#include <errno.h>
-
-#ifndef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
-#ifdef _SCALB_INT
- double scalb(double x, int fn) /* wrapper scalb */
-#else
- double scalb(double x, double fn) /* wrapper scalb */
-#endif
-#else
- double scalb(x,fn) /* wrapper scalb */
-#ifdef _SCALB_INT
- double x; int fn;
-#else
- double x,fn;
-#endif
-#endif
-{
-#ifdef _IEEE_LIBM
- return __ieee754_scalb(x,fn);
-#else
- double z;
-#ifndef HUGE_VAL
-#define HUGE_VAL inf
- double inf = 0.0;
-
- SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */
-#endif
- struct exception exc;
- z = __ieee754_scalb(x,fn);
- if(_LIB_VERSION == _IEEE_) return z;
- if(!(finite(z)||isnan(z))&&finite(x)) {
- /* scalb overflow; SVID also returns +-HUGE_VAL */
- exc.type = OVERFLOW;
- exc.name = "scalb";
- exc.err = 0;
- exc.arg1 = x;
- exc.arg2 = fn;
- exc.retval = x > 0.0 ? HUGE_VAL : -HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!matherr(&exc)) {
- errno = ERANGE;
- }
- if (exc.err != 0)
- errno = exc.err;
- return exc.retval;
- }
- if(z==0.0&&z!=x) {
- /* scalb underflow */
- exc.type = UNDERFLOW;
- exc.name = "scalb";
- exc.err = 0;
- exc.arg1 = x;
- exc.arg2 = fn;
- exc.retval = copysign(0.0,x);
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!matherr(&exc)) {
- errno = ERANGE;
- }
- if (exc.err != 0)
- errno = exc.err;
- return exc.retval;
- }
-#ifndef _SCALB_INT
- if(!finite(fn)) errno = ERANGE;
-#endif
- return z;
-#endif
-}
-
-#endif /* defined(_DOUBLE_IS_32BITS) */