-/* Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2007
+ Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
/*
* ISO C99 Standard: 7.22 Type-generic math <tgmath.h>
/* 1 if 'type' is a floating type, 0 if 'type' is an integer type.
Allows for _Bool. Expands to an integer constant expression. */
-# define __floating_type(type) (((type) 0.25) && ((type) 0.25 - 1))
+# if 0 /* __GNUC_PREREQ (3, 1) */
+# define __floating_type(type) \
+ (__builtin_classify_type ((type) 0) == 8 \
+ || (__builtin_classify_type ((type) 0) == 9 \
+ && __builtin_classify_type (__real__ ((type) 0)) == 8))
+# else
+# define __floating_type(type) (((type) 0.25) && ((type) 0.25 - 1))
+# endif
/* The tgmath real type for T, where E is 0 if T is an integer type and
1 for a floating type. */
# define __tgmath_real_type_sub(T, E) \
- __typeof__(*(0 ? (__typeof__ (0 ? (double *) 0 : (void *) (E))) 0 \
- : (__typeof__ (0 ? (T *) 0 : (void *) (!(E)))) 0))
+ __typeof__ (*(0 ? (__typeof__ (0 ? (double *) 0 : (void *) (E))) 0 \
+ : (__typeof__ (0 ? (T *) 0 : (void *) (!(E)))) 0))
/* The tgmath real type of EXPR. */
# define __tgmath_real_type(expr) \
- __tgmath_real_type_sub(__typeof__(expr), __floating_type(__typeof__(expr)))
+ __tgmath_real_type_sub (__typeof__ ((__typeof__ (expr)) 0), \
+ __floating_type (__typeof__ (expr)))
/* We have two kinds of generic macros: to support functions which are
only defined on real valued parameters and those which are defined
for complex functions as well. */
# define __TGMATH_UNARY_REAL_ONLY(Val, Fct) \
- (__extension__ ({ __tgmath_real_type (Val) __tgmres; \
- if (sizeof (Val) == sizeof (double) \
- || __builtin_classify_type (Val) != 8) \
- __tgmres = Fct (Val); \
- else if (sizeof (Val) == sizeof (float)) \
- __tgmres = Fct##f (Val); \
- else \
- __tgmres = __tgml(Fct) (Val); \
- __tgmres; }))
+ (__extension__ ((sizeof (Val) == sizeof (double) \
+ || __builtin_classify_type (Val) != 8) \
+ ? (__tgmath_real_type (Val)) Fct (Val) \
+ : (sizeof (Val) == sizeof (float)) \
+ ? (__tgmath_real_type (Val)) Fct##f (Val) \
+ : (__tgmath_real_type (Val)) __tgml(Fct) (Val)))
+
+# define __TGMATH_UNARY_REAL_RET_ONLY(Val, RetType, Fct) \
+ (__extension__ ((sizeof (Val) == sizeof (double) \
+ || __builtin_classify_type (Val) != 8) \
+ ? (RetType) Fct (Val) \
+ : (sizeof (Val) == sizeof (float)) \
+ ? (RetType) Fct##f (Val) \
+ : (RetType) __tgml(Fct) (Val)))
# define __TGMATH_BINARY_FIRST_REAL_ONLY(Val1, Val2, Fct) \
- (__extension__ ({ __tgmath_real_type (Val1) __tgmres; \
- if (sizeof (Val1) == sizeof (double) \
- || __builtin_classify_type (Val1) != 8) \
- __tgmres = Fct (Val1, Val2); \
- else if (sizeof (Val1) == sizeof (float)) \
- __tgmres = Fct##f (Val1, Val2); \
- else \
- __tgmres = __tgml(Fct) (Val1, Val2); \
- __tgmres; }))
+ (__extension__ ((sizeof (Val1) == sizeof (double) \
+ || __builtin_classify_type (Val1) != 8) \
+ ? (__tgmath_real_type (Val1)) Fct (Val1, Val2) \
+ : (sizeof (Val1) == sizeof (float)) \
+ ? (__tgmath_real_type (Val1)) Fct##f (Val1, Val2) \
+ : (__tgmath_real_type (Val1)) __tgml(Fct) (Val1, Val2)))
# define __TGMATH_BINARY_REAL_ONLY(Val1, Val2, Fct) \
- (__extension__ ({ __tgmath_real_type ((Val1) + (Val2)) __tgmres; \
- if ((sizeof (Val1) > sizeof (double) \
- || sizeof (Val2) > sizeof (double)) \
- && __builtin_classify_type ((Val1) + (Val2)) == 8) \
- __tgmres = __tgml(Fct) (Val1, Val2); \
- else if (sizeof (Val1) == sizeof (double) \
- || sizeof (Val2) == sizeof (double) \
- || __builtin_classify_type (Val1) != 8 \
- || __builtin_classify_type (Val2) != 8) \
- __tgmres = Fct (Val1, Val2); \
- else \
- __tgmres = Fct##f (Val1, Val2); \
- __tgmres; }))
+ (__extension__ (((sizeof (Val1) > sizeof (double) \
+ || sizeof (Val2) > sizeof (double)) \
+ && __builtin_classify_type ((Val1) + (Val2)) == 8) \
+ ? (__typeof ((__tgmath_real_type (Val1)) 0 \
+ + (__tgmath_real_type (Val2)) 0)) \
+ __tgml(Fct) (Val1, Val2) \
+ : (sizeof (Val1) == sizeof (double) \
+ || sizeof (Val2) == sizeof (double) \
+ || __builtin_classify_type (Val1) != 8 \
+ || __builtin_classify_type (Val2) != 8) \
+ ? (__typeof ((__tgmath_real_type (Val1)) 0 \
+ + (__tgmath_real_type (Val2)) 0)) \
+ Fct (Val1, Val2) \
+ : (__typeof ((__tgmath_real_type (Val1)) 0 \
+ + (__tgmath_real_type (Val2)) 0)) \
+ Fct##f (Val1, Val2)))
# define __TGMATH_TERNARY_FIRST_SECOND_REAL_ONLY(Val1, Val2, Val3, Fct) \
- (__extension__ ({ __tgmath_real_type ((Val1) + (Val2)) __tgmres; \
- if ((sizeof (Val1) > sizeof (double) \
- || sizeof (Val2) > sizeof (double)) \
- && __builtin_classify_type ((Val1) + (Val2)) == 8) \
- __tgmres = __tgml(Fct) (Val1, Val2, Val3); \
- else if (sizeof (Val1) == sizeof (double) \
- || sizeof (Val2) == sizeof (double) \
- || __builtin_classify_type (Val1) != 8 \
- || __builtin_classify_type (Val2) != 8) \
- __tgmres = Fct (Val1, Val2, Val3); \
- else \
- __tgmres = Fct##f (Val1, Val2, Val3); \
- __tgmres; }))
+ (__extension__ (((sizeof (Val1) > sizeof (double) \
+ || sizeof (Val2) > sizeof (double)) \
+ && __builtin_classify_type ((Val1) + (Val2)) == 8) \
+ ? (__typeof ((__tgmath_real_type (Val1)) 0 \
+ + (__tgmath_real_type (Val2)) 0)) \
+ __tgml(Fct) (Val1, Val2, Val3) \
+ : (sizeof (Val1) == sizeof (double) \
+ || sizeof (Val2) == sizeof (double) \
+ || __builtin_classify_type (Val1) != 8 \
+ || __builtin_classify_type (Val2) != 8) \
+ ? (__typeof ((__tgmath_real_type (Val1)) 0 \
+ + (__tgmath_real_type (Val2)) 0)) \
+ Fct (Val1, Val2, Val3) \
+ : (__typeof ((__tgmath_real_type (Val1)) 0 \
+ + (__tgmath_real_type (Val2)) 0)) \
+ Fct##f (Val1, Val2, Val3)))
# define __TGMATH_TERNARY_REAL_ONLY(Val1, Val2, Val3, Fct) \
- (__extension__ ({ __tgmath_real_type ((Val1) + (Val2) + (Val3)) __tgmres;\
- if ((sizeof (Val1) > sizeof (double) \
- || sizeof (Val2) > sizeof (double) \
- || sizeof (Val3) > sizeof (double)) \
- && __builtin_classify_type ((Val1) + (Val2) \
- + (Val3)) == 8) \
- __tgmres = __tgml(Fct) (Val1, Val2, Val3); \
- else if (sizeof (Val1) == sizeof (double) \
- || sizeof (Val2) == sizeof (double) \
- || sizeof (Val3) == sizeof (double) \
- || __builtin_classify_type (Val1) != 8 \
- || __builtin_classify_type (Val2) != 8 \
- || __builtin_classify_type (Val3) != 8) \
- __tgmres = Fct (Val1, Val2, Val3); \
- else \
- __tgmres = Fct##f (Val1, Val2, Val3); \
- __tgmres; }))
+ (__extension__ (((sizeof (Val1) > sizeof (double) \
+ || sizeof (Val2) > sizeof (double) \
+ || sizeof (Val3) > sizeof (double)) \
+ && __builtin_classify_type ((Val1) + (Val2) + (Val3)) \
+ == 8) \
+ ? (__typeof ((__tgmath_real_type (Val1)) 0 \
+ + (__tgmath_real_type (Val2)) 0 \
+ + (__tgmath_real_type (Val3)) 0)) \
+ __tgml(Fct) (Val1, Val2, Val3) \
+ : (sizeof (Val1) == sizeof (double) \
+ || sizeof (Val2) == sizeof (double) \
+ || sizeof (Val3) == sizeof (double) \
+ || __builtin_classify_type (Val1) != 8 \
+ || __builtin_classify_type (Val2) != 8 \
+ || __builtin_classify_type (Val3) != 8) \
+ ? (__typeof ((__tgmath_real_type (Val1)) 0 \
+ + (__tgmath_real_type (Val2)) 0 \
+ + (__tgmath_real_type (Val3)) 0)) \
+ Fct (Val1, Val2, Val3) \
+ : (__typeof ((__tgmath_real_type (Val1)) 0 \
+ + (__tgmath_real_type (Val2)) 0 \
+ + (__tgmath_real_type (Val3)) 0)) \
+ Fct##f (Val1, Val2, Val3)))
/* XXX This definition has to be changed as soon as the compiler understands
the imaginary keyword. */
# define __TGMATH_UNARY_REAL_IMAG(Val, Fct, Cfct) \
- (__extension__ ({ __tgmath_real_type (Val) __tgmres; \
- if (sizeof (__real__ (Val)) > sizeof (double) \
- && __builtin_classify_type (__real__ (Val)) == 8) \
- { \
- if (sizeof (__real__ (Val)) == sizeof (Val)) \
- __tgmres = __tgml(Fct) (Val); \
- else \
- __tgmres = __tgml(Cfct) (Val); \
- } \
- else if (sizeof (__real__ (Val)) == sizeof (double) \
- || __builtin_classify_type (__real__ (Val)) \
- != 8) \
- { \
- if (sizeof (__real__ (Val)) == sizeof (Val)) \
- __tgmres = Fct (Val); \
- else \
- __tgmres = Cfct (Val); \
- } \
- else \
- { \
- if (sizeof (__real__ (Val)) == sizeof (Val)) \
- __tgmres = Fct##f (Val); \
- else \
- __tgmres = Cfct##f (Val); \
- } \
- __tgmres; }))
+ (__extension__ ((sizeof (__real__ (Val)) == sizeof (double) \
+ || __builtin_classify_type (__real__ (Val)) != 8) \
+ ? ((sizeof (__real__ (Val)) == sizeof (Val)) \
+ ? (__tgmath_real_type (Val)) Fct (Val) \
+ : (__tgmath_real_type (Val)) Cfct (Val)) \
+ : (sizeof (__real__ (Val)) == sizeof (float)) \
+ ? ((sizeof (__real__ (Val)) == sizeof (Val)) \
+ ? (__tgmath_real_type (Val)) Fct##f (Val) \
+ : (__tgmath_real_type (Val)) Cfct##f (Val)) \
+ : ((sizeof (__real__ (Val)) == sizeof (Val)) \
+ ? (__tgmath_real_type (Val)) __tgml(Fct) (Val) \
+ : (__tgmath_real_type (Val)) __tgml(Cfct) (Val))))
+
+# define __TGMATH_UNARY_IMAG(Val, Cfct) \
+ (__extension__ ((sizeof (__real__ (Val)) == sizeof (double) \
+ || __builtin_classify_type (__real__ (Val)) != 8) \
+ ? (__typeof__ ((__tgmath_real_type (Val)) 0 \
+ + _Complex_I)) Cfct (Val) \
+ : (sizeof (__real__ (Val)) == sizeof (float)) \
+ ? (__typeof__ ((__tgmath_real_type (Val)) 0 \
+ + _Complex_I)) Cfct##f (Val) \
+ : (__typeof__ ((__tgmath_real_type (Val)) 0 \
+ + _Complex_I)) __tgml(Cfct) (Val)))
/* XXX This definition has to be changed as soon as the compiler understands
the imaginary keyword. */
-# define __TGMATH_UNARY_IMAG_ONLY(Val, Fct) \
- (__extension__ ({ __tgmath_real_type (Val) __tgmres; \
- if (sizeof (Val) == sizeof (__complex__ double) \
- || __builtin_classify_type (__real__ (Val)) != 8) \
- __tgmres = Fct (Val); \
- else if (sizeof (Val) == sizeof (__complex__ float)) \
- __tgmres = Fct##f (Val); \
- else \
- __tgmres = __tgml(Fct) (Val); \
- __tgmres; }))
+# define __TGMATH_UNARY_REAL_IMAG_RET_REAL(Val, Fct, Cfct) \
+ (__extension__ ((sizeof (__real__ (Val)) == sizeof (double) \
+ || __builtin_classify_type (__real__ (Val)) != 8) \
+ ? ((sizeof (__real__ (Val)) == sizeof (Val)) \
+ ? (__typeof__ (__real__ (__tgmath_real_type (Val)) 0))\
+ Fct (Val) \
+ : (__typeof__ (__real__ (__tgmath_real_type (Val)) 0))\
+ Cfct (Val)) \
+ : (sizeof (__real__ (Val)) == sizeof (float)) \
+ ? ((sizeof (__real__ (Val)) == sizeof (Val)) \
+ ? (__typeof__ (__real__ (__tgmath_real_type (Val)) 0))\
+ Fct##f (Val) \
+ : (__typeof__ (__real__ (__tgmath_real_type (Val)) 0))\
+ Cfct##f (Val)) \
+ : ((sizeof (__real__ (Val)) == sizeof (Val)) \
+ ? (__typeof__ (__real__ (__tgmath_real_type (Val)) 0))\
+ __tgml(Fct) (Val) \
+ : (__typeof__ (__real__ (__tgmath_real_type (Val)) 0))\
+ __tgml(Cfct) (Val))))
/* XXX This definition has to be changed as soon as the compiler understands
the imaginary keyword. */
# define __TGMATH_BINARY_REAL_IMAG(Val1, Val2, Fct, Cfct) \
- (__extension__ ({ __tgmath_real_type ((Val1) + (Val2)) __tgmres; \
- if ((sizeof (__real__ (Val1)) > sizeof (double) \
- || sizeof (__real__ (Val2)) > sizeof (double)) \
- && __builtin_classify_type (__real__ (Val1) \
- + __real__ (Val2)) \
- == 8) \
- { \
- if (sizeof (__real__ (Val1)) == sizeof (Val1) \
- && sizeof (__real__ (Val2)) == sizeof (Val2)) \
- __tgmres = __tgml(Fct) (Val1, Val2); \
- else \
- __tgmres = __tgml(Cfct) (Val1, Val2); \
- } \
- else if (sizeof (__real__ (Val1)) == sizeof (double) \
- || sizeof (__real__ (Val2)) == sizeof(double) \
- || (__builtin_classify_type (__real__ (Val1)) \
- != 8) \
- || (__builtin_classify_type (__real__ (Val2)) \
- != 8)) \
- { \
- if (sizeof (__real__ (Val1)) == sizeof (Val1) \
- && sizeof (__real__ (Val2)) == sizeof (Val2)) \
- __tgmres = Fct (Val1, Val2); \
- else \
- __tgmres = Cfct (Val1, Val2); \
- } \
- else \
- { \
- if (sizeof (__real__ (Val1)) == sizeof (Val1) \
- && sizeof (__real__ (Val2)) == sizeof (Val2)) \
- __tgmres = Fct##f (Val1, Val2); \
- else \
- __tgmres = Cfct##f (Val1, Val2); \
- } \
- __tgmres; }))
+ (__extension__ (((sizeof (__real__ (Val1)) > sizeof (double) \
+ || sizeof (__real__ (Val2)) > sizeof (double)) \
+ && __builtin_classify_type (__real__ (Val1) \
+ + __real__ (Val2)) == 8) \
+ ? ((sizeof (__real__ (Val1)) == sizeof (Val1) \
+ && sizeof (__real__ (Val2)) == sizeof (Val2)) \
+ ? (__typeof ((__tgmath_real_type (Val1)) 0 \
+ + (__tgmath_real_type (Val2)) 0)) \
+ __tgml(Fct) (Val1, Val2) \
+ : (__typeof ((__tgmath_real_type (Val1)) 0 \
+ + (__tgmath_real_type (Val2)) 0)) \
+ __tgml(Cfct) (Val1, Val2)) \
+ : (sizeof (__real__ (Val1)) == sizeof (double) \
+ || sizeof (__real__ (Val2)) == sizeof (double) \
+ || __builtin_classify_type (__real__ (Val1)) != 8 \
+ || __builtin_classify_type (__real__ (Val2)) != 8) \
+ ? ((sizeof (__real__ (Val1)) == sizeof (Val1) \
+ && sizeof (__real__ (Val2)) == sizeof (Val2)) \
+ ? (__typeof ((__tgmath_real_type (Val1)) 0 \
+ + (__tgmath_real_type (Val2)) 0)) \
+ Fct (Val1, Val2) \
+ : (__typeof ((__tgmath_real_type (Val1)) 0 \
+ + (__tgmath_real_type (Val2)) 0)) \
+ Cfct (Val1, Val2)) \
+ : ((sizeof (__real__ (Val1)) == sizeof (Val1) \
+ && sizeof (__real__ (Val2)) == sizeof (Val2)) \
+ ? (__typeof ((__tgmath_real_type (Val1)) 0 \
+ + (__tgmath_real_type (Val2)) 0)) \
+ Fct##f (Val1, Val2) \
+ : (__typeof ((__tgmath_real_type (Val1)) 0 \
+ + (__tgmath_real_type (Val2)) 0)) \
+ Cfct##f (Val1, Val2))))
#else
# error "Unsupported compiler; you cannot use <tgmath.h>"
#endif
#define ceil(Val) __TGMATH_UNARY_REAL_ONLY (Val, ceil)
/* Absolute value of X. */
-#define fabs(Val) __TGMATH_UNARY_REAL_IMAG (Val, fabs, cabs)
+#define fabs(Val) __TGMATH_UNARY_REAL_IMAG_RET_REAL (Val, fabs, cabs)
/* Largest integer not greater than X. */
#define floor(Val) __TGMATH_UNARY_REAL_ONLY (Val, floor)
/* Round X to nearest integral value according to current rounding
direction. */
-#define lrint(Val) __TGMATH_UNARY_REAL_ONLY (Val, lrint)
-#define llrint(Val) __TGMATH_UNARY_REAL_ONLY (Val, llrint)
+#define lrint(Val) __TGMATH_UNARY_REAL_RET_ONLY (Val, long int, lrint)
+#define llrint(Val) __TGMATH_UNARY_REAL_RET_ONLY (Val, long long int, llrint)
/* Round X to nearest integral value, rounding halfway cases away from
zero. */
-#define lround(Val) __TGMATH_UNARY_REAL_ONLY (Val, lround)
-#define llround(Val) __TGMATH_UNARY_REAL_ONLY (Val, llround)
+#define lround(Val) __TGMATH_UNARY_REAL_RET_ONLY (Val, long int, lround)
+#define llround(Val) __TGMATH_UNARY_REAL_RET_ONLY (Val, long long int, llround)
/* Return X with its signed changed to Y's. */
/* Return the remainder of integer divison X / Y with infinite precision. */
#define remainder(Val1, Val2) __TGMATH_BINARY_REAL_ONLY (Val1, Val2, remainder)
-#if defined __UCLIBC_SUSV3_LEGACY__
+#ifdef __UCLIBC_SUSV3_LEGACY__
/* Return X times (2 to the Nth power). */
#if defined __USE_MISC || defined __USE_XOPEN_EXTENDED
# define scalb(Val1, Val2) __TGMATH_BINARY_REAL_ONLY (Val1, Val2, scalb)
/* Return X times (2 to the Nth power). */
#define scalbln(Val1, Val2) \
__TGMATH_BINARY_FIRST_REAL_ONLY (Val1, Val2, scalbln)
-#endif /* UCLIBC_SUSV3_LEGACY */
+#endif /* __UCLIBC_SUSV3_LEGACY__ */
/* Return the binary exponent of X, which must be nonzero. */
-#define ilogb(Val) __TGMATH_UNARY_REAL_ONLY (Val, ilogb)
+#define ilogb(Val) __TGMATH_UNARY_REAL_RET_ONLY (Val, int, ilogb)
/* Return positive difference between X and Y. */
/* Absolute value, conjugates, and projection. */
/* Argument value of Z. */
-#define carg(Val) __TGMATH_UNARY_IMAG_ONLY (Val, carg)
+#define carg(Val) __TGMATH_UNARY_REAL_IMAG_RET_REAL (Val, carg, carg)
/* Complex conjugate of Z. */
-#define conj(Val) __TGMATH_UNARY_IMAG_ONLY (Val, conj)
+#define conj(Val) __TGMATH_UNARY_IMAG (Val, conj)
/* Projection of Z onto the Riemann sphere. */
-#define cproj(Val) __TGMATH_UNARY_IMAG_ONLY (Val, cproj)
+#define cproj(Val) __TGMATH_UNARY_IMAG (Val, cproj)
/* Decomposing complex values. */
/* Imaginary part of Z. */
-#define cimag(Val) __TGMATH_UNARY_IMAG_ONLY (Val, cimag)
+#define cimag(Val) __TGMATH_UNARY_REAL_IMAG_RET_REAL (Val, cimag, cimag)
/* Real part of Z. */
-#define creal(Val) __TGMATH_UNARY_IMAG_ONLY (Val, creal)
+#define creal(Val) __TGMATH_UNARY_REAL_IMAG_RET_REAL (Val, creal, creal)
#endif /* tgmath.h */
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