ngspice/src/include/macros.h

99 lines
2.3 KiB
C

/*************
* Macros definitions header file
* 1999 E. Rouat
************/
/*
* This file will contain all macros definitions needed
* by ngspice code. (in construction)
*/
#ifndef _MACROS_H_
#define _MACROS_H_
/*
* #define-s that are always on
*/
#define NEWCONV
#define NUMELEMS(ARRAY) (sizeof(ARRAY)/sizeof(*ARRAY))
/* String macros */
#define eq(a,b) (!strcmp((a), (b)))
#define eqc(a,b) (cieq((a), (b)))
#define isalphanum(c) (isalpha(c) || isdigit(c))
#define hexnum(c) ((((c) >= '0') && ((c) <= '9')) ? ((c) - '0') : ((((c) >= \
'a') && ((c) <= 'f')) ? ((c) - 'a' + 10) : ((((c) >= 'A') && \
((c) <= 'F')) ? ((c) - 'A' + 10) : 0)))
/* Mathematical macros */
#define MIN(a,b) ((a) < (b) ? (a) : (b))
#define MAX(a,b) ((a) > (b) ? (a) : (b))
#define ABS(a) ((a) < 0.0 ? -(a) : (a))
#define SGN(a) ((a) < 0.0 ? -(1.0) : (1.0))
#define SIGN(a,b) ( b >= 0 ? (a >= 0 ? a : - a) : (a >= 0 ? - a : a))
#define SWAP(type, a, b) {type swapx; swapx = a; a = b; b = swapx;}
#define NIL(type) ((type *)0)
#define ABORT() fflush(stderr);fflush(stdout);abort();
#define ERROR(CODE,MESSAGE) { \
errMsg = (char *) tmalloc(strlen(MESSAGE) + 1); \
strcpy(errMsg, (MESSAGE)); \
return (CODE); \
}
#define NEW(TYPE) ((TYPE *) tmalloc(sizeof(TYPE)))
#define NEWN(TYPE,COUNT) ((TYPE *) tmalloc(sizeof(TYPE) * (COUNT)))
#define R_NORM(A,B) { \
if ((A) == 0.0) { \
(B) = 0; \
} else { \
while (fabs(A) > 1.0) { \
(B) += 1; \
(A) /= 2.0; \
} \
while (fabs(A) < 0.5) { \
(B) -= 1; \
(A) *= 2.0; \
} \
} \
}
#ifdef DEBUG
#define DEBUGMSG(textargs) printf(textargs)
#else
#define DEBUGMSG(testargs)
#endif
/* Macro that queries the system to find the process time. */
#define ELAPSED_TIME( time ) \
{ struct tms {int user, sys, cuser, csys;} buffer; \
\
times(&buffer); \
time = buffer.user / 60.0; \
}
#ifdef HAVE_SIGSETJMP
# define SETJMP(env, save_signals) sigsetjmp(env, save_signals)
# define LONGJMP(env, retval) siglongjmp(env, retval)
# define JMP_BUF sigjmp_buf
#else
# define SETJMP(env, save_signals) setjmp(env)
# define LONGJMP(env, retval) longjmp(env, retval)
# define JMP_BUF jmp_buf
#endif
#endif /* _MACROS_H_ */