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00048 #ifndef __MATH_H
00049 #define __MATH_H
00050
00070 #define M_PI 3.141592653589793238462643
00071
00076 #define M_SQRT2 1.4142135623730950488016887
00077
00082 #define NAN __builtin_nan("")
00083
00088 #define INFINITY __builtin_inf()
00089
00090 #ifndef __ATTR_CONST__
00091 # define __ATTR_CONST__ __attribute__((__const__))
00092 #endif
00093
00094 #ifdef __cplusplus
00095 extern "C" {
00096 #endif
00097
00103 extern double cos(double __x) __ATTR_CONST__;
00104
00111 extern double fabs(double __x) __ATTR_CONST__;
00112 #if 0
00113
00114 extern inline double fabs( double __x )
00115 { double __res;
00116 __asm__ __volatile__ ("andi %D0,0x7F \n\t"
00117 : "=d" (__res) : "0" (__x) );
00118 return __res;
00119 }
00120 #endif
00121
00128 extern double fmod(double __x, double __y) __ATTR_CONST__;
00129
00143 extern double modf(double __x, double *__iptr);
00144
00150 extern double sin(double __x) __ATTR_CONST__;
00151
00157 extern double sqrt(double __x) __ATTR_CONST__;
00158
00165 extern double tan(double __x) __ATTR_CONST__;
00166
00173 extern double floor(double __x) __ATTR_CONST__;
00174
00181 extern double ceil(double __x) __ATTR_CONST__;
00182
00200 extern double frexp(double __x, int *__pexp);
00201
00211 extern double ldexp(double __x, int __exp) __ATTR_CONST__;
00212
00218 extern double exp(double __x) __ATTR_CONST__;
00219
00225 extern double cosh(double __x) __ATTR_CONST__;
00226
00232 extern double sinh(double __x) __ATTR_CONST__;
00233
00239 extern double tanh(double __x) __ATTR_CONST__;
00240
00248 extern double acos(double __x) __ATTR_CONST__;
00249
00257 extern double asin(double __x) __ATTR_CONST__;
00258
00265 extern double atan(double __x) __ATTR_CONST__;
00266
00275 extern double atan2(double __y, double __x) __ATTR_CONST__;
00276
00282 extern double log(double __x) __ATTR_CONST__;
00283
00290 extern double log10(double __x) __ATTR_CONST__;
00291
00297 extern double pow(double __x, double __y) __ATTR_CONST__;
00298
00305 extern int isnan(double __x) __ATTR_CONST__;
00306
00313 extern int isinf(double __x) __ATTR_CONST__;
00314
00323 extern double square(double __x) __ATTR_CONST__;
00324
00331 __ATTR_CONST__ extern inline double copysign (double __x, double __y)
00332 {
00333 __asm__ (
00334 "bst %D2, 7 \n\t"
00335 "bld %D0, 7 "
00336 : "=r" (__x)
00337 : "0" (__x), "r" (__y) );
00338 return __x;
00339 }
00340
00347 extern double fdim (double __x, double __y) __ATTR_CONST__;
00348
00357 extern double fma (double __x, double __y, double __z) __ATTR_CONST__;
00358
00366 extern double fmax (double __x, double __y) __ATTR_CONST__;
00367
00375 extern double fmin (double __x, double __y) __ATTR_CONST__;
00376
00389 extern int signbit (double __x) __ATTR_CONST__;
00390
00397 extern double trunc (double __x) __ATTR_CONST__;
00398
00405 __ATTR_CONST__ extern inline int isfinite (double __x)
00406 {
00407 unsigned char __exp;
00408 __asm__ (
00409 "mov %0, %C1 \n\t"
00410 "lsl %0 \n\t"
00411 "mov %0, %D1 \n\t"
00412 "rol %0 "
00413 : "=r" (__exp)
00414 : "r" (__x) );
00415 return __exp != 0xff;
00416 }
00417
00428 double hypot (double __x, double __y) __ATTR_CONST__;
00429
00439 double round (double __x) __ATTR_CONST__;
00440
00452 long lround (double __x) __ATTR_CONST__;
00453
00466 long lrint (double __x) __ATTR_CONST__;
00467
00468 #ifdef __cplusplus
00469 }
00470 #endif
00471
00472 #endif
00473