1 files changed, 455 insertions, 0 deletions
diff --git a/gcc-4.2.1/libstdc++-v3/libmath/stubs.c b/gcc-4.2.1/libstdc++-v3/libmath/stubs.c
new file mode 100644
index 000000000..72c4f75a9
--- /dev/null
+++ b/gcc-4.2.1/libstdc++-v3/libmath/stubs.c
@@ -0,0 +1,455 @@
+/* Stub definitions for libmath subpart of libstdc++. */
+
+/* Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
+
+   This file is part of the GNU ISO C++ Library.  This library is free
+   software; you can redistribute it and/or modify it under the
+   terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License along
+   with this library; see the file COPYING.  If not, write to the Free
+   Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+   USA.
+
+   As a special exception, you may use this file as part of a free software
+   library without restriction.  Specifically, if other files instantiate
+   templates or use macros or inline functions from this file, or you compile
+   this file and link it with other files to produce an executable, this
+   file does not by itself cause the resulting executable to be covered by
+   the GNU General Public License.  This exception does not however
+   invalidate any other reasons why the executable file might be covered by
+   the GNU General Public License.  */
+
+#include <math.h>
+#include "config.h"
+
+/* For targets which do not have support for long double versions,
+   we use the crude approximation.  We'll do better later.  */
+
+
+#ifndef HAVE_FABSF
+float
+fabsf(float x)
+{
+  return (float) fabs(x);
+}
+#endif
+
+#ifndef HAVE_FABSL
+long double
+fabsl(long double x)
+{
+  return fabs((double) x);
+}
+#endif
+
+
+#ifndef HAVE_ACOSF
+float
+acosf(float x)
+{
+  return (float) acos(x);
+}
+#endif
+
+#ifndef HAVE_ACOSL
+long double
+acosl(long double x)
+{
+  return acos((double) x);
+}
+#endif
+
+
+#ifndef HAVE_ASINF
+float
+asinf(float x)
+{
+  return (float) asin(x);
+}
+#endif
+
+#ifndef HAVE_ASINL
+long double
+asinl(long double x)
+{
+  return asin((double) x);
+}
+#endif
+
+
+#ifndef HAVE_ATANF
+float
+atanf(float x)
+{
+  return (float) atan(x);
+}
+#endif
+
+#ifndef HAVE_ATANL
+long double
+atanl(long double x)
+{
+  return atan ((double) x);
+}
+#endif
+
+
+#ifndef HAVE_ATAN2F
+float
+atan2f(float x, float y)
+{
+  return (float) atan2(x, y);
+}
+#endif
+
+#ifndef HAVE_ATAN2L
+long double
+atan2l(long double x, long double y)
+{
+  return atan2((double) x, (double) y);
+}
+#endif
+
+
+#ifndef HAVE_CEILF
+float
+ceilf(float x)
+{
+  return (float) ceil(x);
+}
+#endif
+
+#ifndef HAVE_CEILL
+long double
+ceill(long double x)
+{
+  return ceil((double) x);
+}
+#endif
+
+
+#ifndef HAVE_COSF
+float
+cosf(float x)
+{
+  return (float) cos(x);
+}
+#endif
+
+#ifndef HAVE_COSL
+long double
+cosl(long double x)
+{
+  return cos((double) x);
+}
+#endif
+
+
+#ifndef HAVE_COSHF
+float
+coshf(float x)
+{
+  return (float) cosh(x);
+}
+#endif
+
+#ifndef HAVE_COSHL
+long double
+coshl(long double x)
+{
+  return cosh((double) x);
+}
+#endif
+
+
+#ifndef HAVE_EXPF
+float
+expf(float x)
+{
+  return (float) exp(x);
+}
+#endif
+
+#ifndef HAVE_EXPL
+long double
+expl(long double x)
+{
+  return exp((double) x);
+}
+#endif
+
+
+#ifndef HAVE_FLOORF
+float
+floorf(float x)
+{
+  return (float) floor(x);
+}
+#endif
+
+#ifndef HAVE_FLOORL
+long double
+floorl(long double x)
+{
+  return floor((double) x);
+}
+#endif
+
+
+#ifndef HAVE_FMODF
+float
+fmodf(float x, float y)
+{
+  return (float) fmod(x, y);
+}
+#endif
+
+#ifndef HAVE_FMODL
+long double
+fmodl(long double x, long double y)
+{
+  return fmod((double) x, (double) y);
+}
+#endif
+
+
+#ifndef HAVE_FREXPF
+float
+frexpf(float x, int *exp)
+{
+  return (float) frexp(x, exp);
+}
+#endif
+
+#ifndef HAVE_FREXPL
+long double
+frexpl(long double x, int *exp)
+{
+  return frexp((double) x, exp);
+}
+#endif
+
+
+#ifndef HAVE_SQRTF
+float
+sqrtf(float x)
+{
+  return (float) sqrt(x);
+}
+#endif
+
+#ifndef HAVE_SQRTL
+long double
+sqrtl(long double x)
+{
+  return  sqrt((double) x);
+}
+#endif
+
+
+/* Compute the hypothenuse of a right triangle with side x and y.  */
+#ifndef HAVE_HYPOTF
+float
+hypotf(float x, float y)
+{
+  float s = fabsf(x) + fabsf(y);
+  if (s == 0.0F)
+    return s;
+  x /= s; y /= s;
+  return s * sqrtf(x * x + y * y);
+}
+#endif
+
+#ifndef HAVE_HYPOT
+double
+hypot(double x, double y)
+{
+  double s = fabs(x) + fabs(y);
+  if (s == 0.0)
+    return s;
+  x /= s; y /= s;
+  return s * sqrt(x * x + y * y);
+}
+#endif
+
+#ifndef HAVE_HYPOTL
+long double
+hypotl(long double x, long double y)
+{
+  long double s = fabsl(x) + fabsl(y);
+  if (s == 0.0L)
+    return s;
+  x /= s; y /= s;
+  return s * sqrtl(x * x + y * y);
+}
+#endif
+
+
+
+#ifndef HAVE_LDEXPF
+float
+ldexpf(float x, int exp)
+{
+  return (float) ldexp(x, exp);
+}
+#endif
+
+#ifndef HAVE_LDEXPL
+long double
+ldexpl(long double x, int exp)
+{
+  return ldexp((double) x, exp);
+}
+#endif
+
+
+#ifndef HAVE_LOGF
+float
+logf(float x)
+{
+  return (float) log(x);
+}
+#endif
+
+#ifndef HAVE_LOGL
+long double
+logl(long double x)
+{
+  return log((double) x);
+}
+#endif
+
+
+#ifndef HAVE_LOG10F
+float
+log10f(float x)
+{
+  return (float) log10(x);
+}
+#endif
+
+#ifndef HAVE_LOG10L
+long double
+log10l(long double x)
+{
+  return log10((double) x);
+}
+#endif
+
+
+#ifndef HAVE_MODFF
+float
+modff(float x, float *iptr)
+{
+  double result, temp;
+
+  result = modf(x, &temp);
+  *iptr = (float) temp;
+  return (float) result;
+}
+#endif
+
+#ifndef HAVE_MODFL
+long double
+modfl(long double x, long double *iptr)
+{
+  double result, temp;
+
+  result = modf((double) x, &temp);
+  *iptr = temp;
+  return result;
+}
+#endif
+
+
+#ifndef HAVE_POWF
+float
+powf(float x, float y)
+{
+  return (float) pow(x, y);
+}
+#endif
+
+#ifndef HAVE_POWL
+long double
+powl(long double x, long double y)
+{
+  return pow((double) x, (double) y);
+}
+#endif
+
+
+#ifndef HAVE_SINF
+float
+sinf(float x)
+{
+  return (float) sin(x);
+}
+#endif
+
+#ifndef HAVE_SINL
+long double
+sinl(long double x)
+{
+  return sin((double) x);
+}
+#endif
+
+
+#ifndef HAVE_SINHF
+float
+sinhf(float x)
+{
+  return (float) sinh(x);
+}
+#endif
+
+#ifndef HAVE_SINHL
+long double
+sinhl(long double x)
+{
+  return sinh((double) x);
+}
+#endif
+
+
+#ifndef HAVE_TANF
+float
+tanf(float x)
+{
+  return (float) tan(x);
+}
+#endif
+
+#ifndef HAVE_TANL
+long double
+tanl(long double x)
+{
+  return tan((double) x);
+}
+#endif
+
+
+#ifndef HAVE_TANHF
+float
+tanhf(float x)
+{
+  return (float) tanh(x);
+}
+#endif
+
+#ifndef HAVE_TANHL
+long double
+tanhl(long double x)
+{
+  return tanh((double) x);
+}
+#endif