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Diffstat (limited to 'gcc-4.2.1-5666.3/gcc/fp-test.c')
| -rw-r--r-- | gcc-4.2.1-5666.3/gcc/fp-test.c | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/gcc-4.2.1-5666.3/gcc/fp-test.c b/gcc-4.2.1-5666.3/gcc/fp-test.c new file mode 100644 index 000000000..6442bdb7e --- /dev/null +++ b/gcc-4.2.1-5666.3/gcc/fp-test.c @@ -0,0 +1,252 @@ +/* fp-test.c - Check that all floating-point operations are available. + Copyright (C) 1995, 2000, 2003 Free Software Foundation, Inc. + Contributed by Ronald F. Guilmette <rfg@monkeys.com>. + + This file is part of GCC. + + GCC 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. + + GCC 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 GCC; see the file COPYING. If not, write to the Free + Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA + 02110-1301, USA. */ + +/* This is a trivial test program which may be useful to people who are + porting the GCC or G++ compilers to a new system. The intent here is + merely to check that all floating-point operations have been provided + by the port. (Note that I say ``provided'' rather than ``implemented''.) + + To use this file, simply compile it (with GCC or G++) and then try to + link it in the normal way (also using GCC or G++ respectively). If + all of the floating -point operations (including conversions) have + been provided, then this file will link without incident. If however + one or more of the primitive floating-point operations have not been + properly provided, you will get link-time errors indicating which + floating-point operations are unavailable. + + This file will typically be used when porting the GNU compilers to + some system which lacks floating-point hardware, and for which + software emulation routines (for FP ops) are needed in order to + complete the port. */ + +#if 0 +#include <math.h> +#endif + +extern double acos (double); +extern double asin (double); +extern double atan (double); +extern double atan2 (double, double); +extern double cos (double); +extern double sin (double); +extern double tan (double); +extern double cosh (double); +extern double sinh (double); +extern double tanh (double); +extern double exp (double); +extern double frexp (double, int *); +extern double ldexp (double, int); +extern double log (double); +extern double log10 (double); +extern double modf (double, double *); +extern double pow (double, double); +extern double sqrt (double); +extern double ceil (double); +extern double fabs (double); +extern double floor (double); +extern double fmod (double, double); + +int i1, i2 = 2; + +volatile signed char sc; +volatile unsigned char uc; + +volatile signed short ss; +volatile unsigned short us; + +volatile signed int si; +volatile unsigned int ui; + +volatile signed long sl; +volatile unsigned long ul; + +volatile float f1 = 1.0, f2 = 1.0, f3 = 1.0; +volatile double d1 = 1.0, d2 = 1.0, d3 = 1.0; +volatile long double D1 = 1.0, D2 = 1.0, D3 = 1.0; + +int +main (void) +{ + /* TYPE: float */ + + f1 = -f2; + f1 = f2 + f3; + f1 = f2 - f3; + f1 = f2 * f3; + f1 = f2 / f3; + f1 += f2; + f1 -= f2; + f1 *= f2; + f1 /= f2; + + si = f1 == f2; + si = f1 != f2; + si = f1 > f2; + si = f1 < f2; + si = f1 >= f2; + si = f1 <= f2; + + si = __builtin_isgreater (f1, f2); + si = __builtin_isgreaterequal (f1, f2); + si = __builtin_isless (f1, f2); + si = __builtin_islessequal (f1, f2); + si = __builtin_islessgreater (f1, f2); + si = __builtin_isunordered (f1, f2); + + sc = f1; + uc = f1; + ss = f1; + us = f1; + si = f1; + ui = f1; + sl = f1; + ul = f1; + d1 = f1; + D1 = f1; + + f1 = sc; + f1 = uc; + f1 = ss; + f1 = us; + f1 = si; + f1 = ui; + f1 = sl; + f1 = ul; + f1 = d1; + f1 = D1; + + d1 = -d2; + d1 = d2 + d3; + d1 = d2 - d3; + d1 = d2 * d3; + d1 = d2 / d3; + d1 += d2; + d1 -= d2; + d1 *= d2; + d1 /= d2; + + si = d1 == d2; + si = d1 != d2; + si = d1 > d2; + si = d1 < d2; + si = d1 >= d2; + si = d1 <= d2; + + si = __builtin_isgreater (d1, d2); + si = __builtin_isgreaterequal (d1, d2); + si = __builtin_isless (d1, d2); + si = __builtin_islessequal (d1, d2); + si = __builtin_islessgreater (d1, d2); + si = __builtin_isunordered (d1, d2); + + sc = d1; + uc = d1; + ss = d1; + us = d1; + si = d1; + ui = d1; + sl = d1; + ul = d1; + f1 = d1; + D1 = d1; + + d1 = sc; + d1 = uc; + d1 = ss; + d1 = us; + d1 = si; + d1 = ui; + d1 = sl; + d1 = ul; + d1 = f1; + d1 = D1; + + D1 = -D2; + D1 = D2 + D3; + D1 = D2 - D3; + D1 = D2 * D3; + D1 = D2 / D3; + D1 += D2; + D1 -= D2; + D1 *= D2; + D1 /= D2; + + si = D1 == D2; + si = D1 != D2; + si = D1 > D2; + si = D1 < D2; + si = D1 >= D2; + si = D1 <= D2; + + si = __builtin_isgreater (D1, D2); + si = __builtin_isgreaterequal (D1, D2); + si = __builtin_isless (D1, D2); + si = __builtin_islessequal (D1, D2); + si = __builtin_islessgreater (D1, D2); + si = __builtin_isunordered (D1, D2); + + sc = D1; + uc = D1; + ss = D1; + us = D1; + si = D1; + ui = D1; + sl = D1; + ul = D1; + f1 = D1; + d1 = D1; + + D1 = sc; + D1 = uc; + D1 = ss; + D1 = us; + D1 = si; + D1 = ui; + D1 = sl; + D1 = ul; + D1 = f1; + D1 = d1; + + d1 = acos (d2); + d1 = asin (d2); + d1 = atan (d2); + d1 = atan2 (d2, d3); + d1 = cos (d2); + d1 = sin (d2); + d1 = tan (d2); + d1 = cosh (d2); + d1 = sinh (d2); + d1 = tanh (d2); + d1 = exp (d2); + d1 = frexp (d2, &i1); + d1 = ldexp (d2, i2); + d1 = log (d2); + d1 = log10 (d2); + d1 = modf (d2, &d3); + d1 = pow (d2, d3); + d1 = sqrt (d2); + d1 = ceil (d2); + d1 = fabs (d2); + d1 = floor (d2); + d1 = fmod (d2, d3); + + return 0; +} |