Math and logic functions. More...

#include "config.h"
#include "constants.h"
#include "typedefs.h"
#include "macros.h"
#include "externs.h"
#include "prototypes.h"
#include <stdbool.h>
#include <string.h>
#include <math.h>
#include <ctype.h>

Include dependency graph for funmath.c:

Functions
unsigned int	fp_check_weird (char buff, char *bufc, long double result)
	Fix weird math results. More...

void	fval (char buff, char *bufc, long double result, int precision)
	Copy the floating point value into a buffer and make it presentable. More...

void	fun_pi (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Return the PI constant. More...

void	fun_e (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Return the E constant. More...

void	fun_sign (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Returns -1, 0, or 1 depending on whether its argument is negative, zero, or positive (respectively). More...

void	fun_abs (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Returns the absolute value of its argument. More...

void	fun_floor (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Returns the integer quotient from dividing <number1> by <number2>, rounded down (towards zero if positive, away from zero if negative). More...

void	fun_ceil (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Returns the smallest integer greater than or equal to <number>. More...

void	fun_round (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Rounds <number> to <places> decimal places. More...

void	fun_trunc (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Returns the value of <number> after truncating off any fractional value. More...

void	fun_inc (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Returns <number>, incremented by 1 (the <number>, plus 1). More...

void	fun_dec (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Returns <number>, decremented by 1 (the <number>, minus 1). More...

void	fun_sqrt (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Returns the square root of <number>. More...

void	fun_exp (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Returns the result of raising the numeric constant e to <power>. More...

void	fun_ln (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	If only given one argument, this function returns a list of numbers from 0 to <number>-1. <number> must be at least 1. More...

void	handle_trig (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Handle trigonometrical functions (sin, cos, tan, etc...) More...

int	fromBaseX (char ch, int base)
	Convert a character to it's decimal value. More...

char	toBaseX (int i, int base)
	Convert decival value to it's base X character representation. More...

void	fun_baseconv (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Convert to various bases. More...

void	fun_gt (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Takes two numbers, and returns 1 if and only if <number1> is greater than <number2>, and 0 otherwise. More...

void	fun_gte (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Takes two numbers, and returns 1 if and only if <number1> is greater than or equal to <number2>, and 0 otherwise. More...

void	fun_lt (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Takes two numbers, and returns 1 if and only if <number1> is less than <number2>, and 0 otherwise. More...

void	fun_lte (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Takes two numbers, and returns 1 if and only if <number1> is less than or equal to <number2>, and 0 otherwise. More...

void	fun_eq (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Takes two numbers, and returns 1 if they are equal and 0 if they are not. More...

void	fun_neq (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Takes two numbers, and returns 1 if they are not equal and 0 if they are equal. More...

void	fun_ncomp (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	This function returns 0 if the two numbers are equal, 1 if the first number is greater than the second number, and -1 if the first number is less than the second number. More...

void	fun_sub (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Returns the result of subtracting <number2> from <number1>. More...

void	fun_div (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Returns the integer quotient from dividing <number1> by <number2>, rounded towards zero. More...

void	fun_floordiv (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Returns the integer quotient from dividing <number1> by <number2>, rounded down (towards zero if positive, away from zero if negative). More...

void	fun_fdiv (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Returns the floating point quotient from dividing <number1> by <number2>. More...

void	fun_modulo (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Returns the smallest integer with the same sign as <integer2> such that the difference between <integer1> and the result is divisible by <integer2>. More...

void	fun_remainder (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Returns the smallest integer with the same sign as <integer1> such that the difference between <integer1> and the result is divisible by <integer2>. More...

void	fun_power (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Returns the result of raising <number> to the <power>'th power. More...

void	fun_log (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs, char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Returns the result of raising <number> to the <power>'th power. More...

void	fun_shl (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	This function returns the result of leftwards bit-shifting <number> by <count> times. More...

void	fun_shr (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	This function returns the result of rightwards bit-shifting <number> by <count> times. More...

void	fun_band (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Intended for use on a bitfield, this function performs a binary AND between two numbers. More...

void	fun_bor (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Intended for use on a bitfield, this function performs a binary OR between two numbers. It is most useful for "turning on" bits in a bitfield. More...

void	fun_bnand (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Intended for use on a bitfield, this function performs a binary AND between a number and the complement of another number. More...

void	fun_add (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs, char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Returns the result of adding its arguments together. More...

void	fun_mul (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs, char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Returns the result of multiplying its arguments together. More...

void	fun_max (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs, char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Returns the largest number from among its arguments. More...

void	fun_min (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs, char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Returns the smallest number from among its arguments. More...

void	fun_bound (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs, char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Force a number to conform to specified bounds. More...

void	fun_dist2d (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Returns the distance between the Cartesian points in two dimensions. More...

void	fun_dist3d (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Returns the distance between the Cartesian points in three dimensions. More...

void	fun_ladd (char buff, char bufc, dbref player, dbref caller, dbref cause, char fargs[], int nfargs, char *cargs[], int ncargs)
	Adds a list of numbers together. More...

void	fun_lmax (char buff, char bufc, dbref player, dbref caller, dbref cause, char fargs[], int nfargs, char *cargs[], int ncargs)
	Obtains the largest number out of a list of numbers (i.e., the maximum). More...

void	fun_lmin (char buff, char bufc, dbref player, dbref caller, dbref cause, char fargs[], int nfargs, char *cargs[], int ncargs)
	Obtains the smallest number out of a list of numbers (i.e., the minimum). More...

void	handle_vector (char buff, char bufc, dbref player, dbref caller, dbref cause, char fargs[], int nfargs, char *cargs[], int ncargs)
	Handle Operations on a single vector: VMAG, VUNIT (VDIM is implemented by fun_words) More...

void	handle_vectors (char buff, char bufc, dbref player, dbref caller, dbref cause, char fargs[], int nfargs, char *cargs[], int ncargs)
	Handle operations on a pair of vectors: VADD, VSUB, VMUL, VDOT, VOR, VAND and VXOR. More...

void	fun_not (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	If the input is a non-zero number, returns 0. If it is 0 or the equivalent (such as a non-numeric string), returns 1. More...

void	fun_notbool (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Takes a boolean value, and returns its inverse. More...

void	fun_t (char buff, char bufc, dbref player __attribute__((unused)), dbref caller __attribute__((unused)), dbref cause __attribute__((unused)), char fargs[], int nfargs __attribute__((unused)), char *cargs[] __attribute__((unused)), int ncargs __attribute__((unused)))
	Takes a boolean value, and returns 0 if it is false, and 1 if true. More...

bool	cvtfun (int flag, char *str)
	Convert differents values to Boolean. More...

void	handle_logic (char buff, char bufc, dbref player, dbref caller, dbref cause, char fargs[], int nfargs, char *cargs[], int ncargs)
	Handle multi-argument boolean funcs, various combinations of [L,C][AND,OR,XOR][BOOL]. More...

void	handle_listbool (char buff, char bufc, dbref player, dbref caller, dbref cause, char fargs[], int nfargs, char *cargs[], int ncargs)
	Handle boolean values for an entire list. More...

Detailed Description

Math and logic functions.

Author: TinyMUSH development team (https://github.com/TinyMUSH)

Version: 3.3

Date: 2021-01-04

Copyright: Copyright (C) 1989-2021 TinyMUSH development team. You may distribute under the terms the Artistic License, as specified in the COPYING file.

Function Documentation

◆ cvtfun()

bool cvtfun	(	int	flag,
		char *	str
	)

Convert differents values to Boolean.

Parameters

flag	Calling function flags
str	String to parse

Returns: true; false

◆ fp_check_weird()

unsigned int fp_check_weird	(	char *	buff,
		char **	bufc,
		long double	result
	)

Fix weird math results.

Parameters

buff	Output buffer
bufc	Output buffer tracker
result	Result to check

Returns: unsigned int Result of the check

these bits are all set. can't be zero exponent, but could still be max (weird) exponent.

none of these bits are set. can't be max exponent, but could still be zero exponent.

some bits were set but not others. can't be either zero exponent or max exponent.

◆ fromBaseX()

int fromBaseX	(	char	ch,
		int	base
	)

Convert a character to it's decimal value.

Parameters

ch	Character
base	Base to convert from

Returns: int Value in decimal base.

◆ fun_abs()

void fun_abs	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Returns the absolute value of its argument.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ fun_add()

void fun_add	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int	nfargs,
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Returns the result of adding its arguments together.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ fun_band()

void fun_band	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Intended for use on a bitfield, this function performs a binary AND between two numbers.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ fun_baseconv()

void fun_baseconv	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Convert to various bases.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

Parse the number to convert

If we have a leading hyphen, and we're in base 63/64, always treat it as a minus sign. PennMUSH consistency.

Handle the case of 0 and less than base case.

Build up the number backwards, then reverse it.

◆ fun_bnand()

void fun_bnand	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Intended for use on a bitfield, this function performs a binary AND between a number and the complement of another number.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ fun_bor()

void fun_bor	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Intended for use on a bitfield, this function performs a binary OR between two numbers. It is most useful for "turning on" bits in a bitfield.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ fun_bound()

void fun_bound	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int	nfargs,
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Force a number to conform to specified bounds.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Number of function's arguments
cargs	Not used
ncargs	Not used

just the number; no bounds enforced

if empty, don't check the minimum

if empty, don't check the maximum

◆ fun_ceil()

void fun_ceil	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Returns the smallest integer greater than or equal to <number>.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ fun_dec()

void fun_dec	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Returns <number>, decremented by 1 (the <number>, minus 1).

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ fun_dist2d()

void fun_dist2d	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Returns the distance between the Cartesian points in two dimensions.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ fun_dist3d()

void fun_dist3d	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Returns the distance between the Cartesian points in three dimensions.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ fun_div()

void fun_div	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Returns the integer quotient from dividing <number1> by <number2>, rounded towards zero.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

The C '/' operator is only fully specified for non-negative operands, so we try not to give it negative operands here

◆ fun_e()

void fun_e	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Return the E constant.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ fun_eq()

void fun_eq	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Takes two numbers, and returns 1 if they are equal and 0 if they are not.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ fun_exp()

void fun_exp	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Returns the result of raising the numeric constant e to <power>.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ fun_fdiv()

void fun_fdiv	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Returns the floating point quotient from dividing <number1> by <number2>.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ fun_floor()

void fun_floor	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Returns the integer quotient from dividing <number1> by <number2>, rounded down (towards zero if positive, away from zero if negative).

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ fun_floordiv()

void fun_floordiv	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Returns the integer quotient from dividing <number1> by <number2>, rounded down (towards zero if positive, away from zero if negative).

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

The C '/' operator is only fully specified for non-negative operands, so we try not to give it negative operands here

◆ fun_gt()

void fun_gt	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Takes two numbers, and returns 1 if and only if <number1> is greater than <number2>, and 0 otherwise.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ fun_gte()

void fun_gte	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Takes two numbers, and returns 1 if and only if <number1> is greater than or equal to <number2>, and 0 otherwise.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ fun_inc()

void fun_inc	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Returns <number>, incremented by 1 (the <number>, plus 1).

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ fun_ladd()

void fun_ladd	(	char *	buff,
		char **	bufc,
		dbref	player,
		dbref	caller,
		dbref	cause,
		char *	fargs[],
		int	nfargs,
		char *	cargs[],
		int	ncargs
	)

Adds a list of numbers together.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	DBref of player
caller	DBref of caller
cause	DBref of cause
fargs	Function's arguments
nfargs	Number of function's arguments
cargs	Command's arguments
ncargs	Nomber of command's arguments

◆ fun_lmax()

void fun_lmax	(	char *	buff,
		char **	bufc,
		dbref	player,
		dbref	caller,
		dbref	cause,
		char *	fargs[],
		int	nfargs,
		char *	cargs[],
		int	ncargs
	)

Obtains the largest number out of a list of numbers (i.e., the maximum).

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	DBref of player
caller	DBref of caller
cause	DBref of cause
fargs	Function's arguments
nfargs	Number of function's arguments
cargs	Command's arguments
ncargs	Nomber of command's arguments

◆ fun_lmin()

void fun_lmin	(	char *	buff,
		char **	bufc,
		dbref	player,
		dbref	caller,
		dbref	cause,
		char *	fargs[],
		int	nfargs,
		char *	cargs[],
		int	ncargs
	)

Obtains the smallest number out of a list of numbers (i.e., the minimum).

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	DBref of player
caller	DBref of caller
cause	DBref of cause
fargs	Function's arguments
nfargs	Number of function's arguments
cargs	Command's arguments
ncargs	Nomber of command's arguments

◆ fun_ln()

void fun_ln	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

If only given one argument, this function returns a list of numbers from 0 to <number>-1. <number> must be at least 1.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ fun_log()

void fun_log	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int	nfargs,
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Returns the result of raising <number> to the <power>'th power.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ fun_lt()

void fun_lt	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Takes two numbers, and returns 1 if and only if <number1> is less than <number2>, and 0 otherwise.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ fun_lte()

void fun_lte	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Takes two numbers, and returns 1 if and only if <number1> is less than or equal to <number2>, and 0 otherwise.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ fun_max()

void fun_max	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int	nfargs,
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Returns the largest number from among its arguments.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Number of function's arguments
cargs	Not used
ncargs	Not used

◆ fun_min()

void fun_min	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int	nfargs,
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Returns the smallest number from among its arguments.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Number of function's arguments
cargs	Not used
ncargs	Not used

◆ fun_modulo()

void fun_modulo	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Returns the smallest integer with the same sign as <integer2> such that the difference between <integer1> and the result is divisible by <integer2>.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

The C '' operator is only fully specified for non-negative operands, so we try not to give it negative operands here

◆ fun_mul()

void fun_mul	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int	nfargs,
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Returns the result of multiplying its arguments together.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Number of function's arguments
cargs	Not used
ncargs	Not used

◆ fun_ncomp()

void fun_ncomp	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

This function returns 0 if the two numbers are equal, 1 if the first number is greater than the second number, and -1 if the first number is less than the second number.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ fun_neq()

void fun_neq	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Takes two numbers, and returns 1 if they are not equal and 0 if they are equal.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ fun_not()

void fun_not	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

If the input is a non-zero number, returns 0. If it is 0 or the equivalent (such as a non-numeric string), returns 1.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ fun_notbool()

void fun_notbool	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Takes a boolean value, and returns its inverse.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ fun_pi()

void fun_pi	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Return the PI constant.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ fun_power()

void fun_power	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Returns the result of raising <number> to the <power>'th power.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ fun_remainder()

void fun_remainder	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Returns the smallest integer with the same sign as <integer1> such that the difference between <integer1> and the result is divisible by <integer2>.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

The C '' operator is only fully specified for non-negative operands, so we try not to give it negative operands here

◆ fun_round()

void fun_round	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Rounds <number> to <places> decimal places.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ fun_shl()

void fun_shl	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

This function returns the result of leftwards bit-shifting <number> by <count> times.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ fun_shr()

void fun_shr	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

This function returns the result of rightwards bit-shifting <number> by <count> times.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ fun_sign()

void fun_sign	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Returns -1, 0, or 1 depending on whether its argument is negative, zero, or positive (respectively).

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ fun_sqrt()

void fun_sqrt	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Returns the square root of <number>.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ fun_sub()

void fun_sub	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Returns the result of subtracting <number2> from <number1>.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ fun_t()

void fun_t	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Takes a boolean value, and returns 0 if it is false, and 1 if true.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ fun_trunc()

void fun_trunc	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Returns the value of <number> after truncating off any fractional value.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ fval()

void fval	(	char *	buff,
		char **	bufc,
		long double	result,
		int	precision
	)

Copy the floating point value into a buffer and make it presentable.

Parameters

buff	Output buffer
bufc	Output buffer tracker
result	Result to present
precision	Precision

If integer, we're done.

Remove useless zeroes

take care of dangling '.'

Handle bogus result of "-0" from sprintf. Yay, cclib.

◆ handle_listbool()

void handle_listbool	(	char *	buff,
		char **	bufc,
		dbref	player,
		dbref	caller,
		dbref	cause,
		char *	fargs[],
		int	nfargs,
		char *	cargs[],
		int	ncargs
	)

Handle boolean values for an entire list.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	DBref of player
caller	DBref of caller
cause	DBref of cause
fargs	Function's arguments
nfargs	Number of function's arguments
cargs	Command's arguments
ncargs	Nomber of command's arguments

◆ handle_logic()

void handle_logic	(	char *	buff,
		char **	bufc,
		dbref	player,
		dbref	caller,
		dbref	cause,
		char *	fargs[],
		int	nfargs,
		char *	cargs[],
		int	ncargs
	)

Handle multi-argument boolean funcs, various combinations of [L,C][AND,OR,XOR][BOOL].

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	DBref of player
caller	DBref of caller
cause	DBref of cause
fargs	Function's arguments
nfargs	Number of function's arguments
cargs	Command's arguments
ncargs	Nomber of command's arguments

most logic operations on an empty string should be false

the arguments come in a pre-evaluated list

separate arguments, but not enough of them

separate, unevaluated arguments

separate, pre-evaluated arguments

◆ handle_trig()

void handle_trig	(	char *	buff,
		char **	bufc,
		dbref player	__attribute__(unused),
		dbref caller	__attribute__(unused),
		dbref cause	__attribute__(unused),
		char *	fargs[],
		int nfargs	__attribute__(unused),
		char *cargs[]	__attribute__(unused),
		int ncargs	__attribute__(unused)
	)

Handle trigonometrical functions (sin, cos, tan, etc...)

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	Not used
caller	Not used
cause	Not used
fargs	Function's arguments
nfargs	Not used
cargs	Not used
ncargs	Not used

◆ handle_vector()

void handle_vector	(	char *	buff,
		char **	bufc,
		dbref	player,
		dbref	caller,
		dbref	cause,
		char *	fargs[],
		int	nfargs,
		char *	cargs[],
		int	ncargs
	)

Handle Operations on a single vector: VMAG, VUNIT (VDIM is implemented by fun_words)

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	DBref of player
caller	DBref of caller
cause	DBref of cause
fargs	Function's arguments
nfargs	Number of function's arguments
cargs	Command's arguments
ncargs	Nomber of command's arguments

split the list up, or return if the list is empty

calculate the magnitude

if we're just calculating the magnitude, return it

◆ handle_vectors()

void handle_vectors	(	char *	buff,
		char **	bufc,
		dbref	player,
		dbref	caller,
		dbref	cause,
		char *	fargs[],
		int	nfargs,
		char *	cargs[],
		int	ncargs
	)

Handle operations on a pair of vectors: VADD, VSUB, VMUL, VDOT, VOR, VAND and VXOR.

Parameters

buff	Output buffer
bufc	Output buffer tracker
player	DBref of player
caller	DBref of caller
cause	DBref of cause
fargs	Function's arguments
nfargs	Number of function's arguments
cargs	Command's arguments
ncargs	Nomber of command's arguments

dot product returns a scalar, so no output delim

split the list up, or return if the list is empty

if n or m is 1, this is scalar multiplication. otherwise, multiply elementwise.

vector elementwise product.

Note this is a departure from TinyMUX, but an imitation of the PennMUSH behavior: the documentation in Penn claims it's a dot product, but the actual behavior isn't. We implement dot product separately!

dot product: (a,b,c) . (d,e,f) = ad + be + cf

no cross product implementation yet: it would be (a,b,c) x (d,e,f) = (bf - ce, cd - af, ae - bd)

If we reached this, we're in trouble.

◆ toBaseX()

char toBaseX	(	int	i,
		int	base
	)

Convert decival value to it's base X character representation.

Parameters

i	Decimal value
base	Base to convert to

Returns: char Character

Functions

Detailed Description

Function Documentation

◆ cvtfun()

◆ fp_check_weird()

◆ fromBaseX()

◆ fun_abs()

◆ fun_add()

◆ fun_band()

◆ fun_baseconv()

◆ fun_bnand()

◆ fun_bor()

◆ fun_bound()

◆ fun_ceil()

◆ fun_dec()

◆ fun_dist2d()

◆ fun_dist3d()

◆ fun_div()

◆ fun_e()

◆ fun_eq()

◆ fun_exp()

◆ fun_fdiv()

◆ fun_floor()

◆ fun_floordiv()

◆ fun_gt()

◆ fun_gte()

◆ fun_inc()

◆ fun_ladd()

◆ fun_lmax()

◆ fun_lmin()

◆ fun_ln()

◆ fun_log()

◆ fun_lt()

◆ fun_lte()

◆ fun_max()

◆ fun_min()

◆ fun_modulo()

◆ fun_mul()

◆ fun_ncomp()

◆ fun_neq()

◆ fun_not()

◆ fun_notbool()

◆ fun_pi()

◆ fun_power()

◆ fun_remainder()

◆ fun_round()

◆ fun_shl()

◆ fun_shr()

◆ fun_sign()

◆ fun_sqrt()

◆ fun_sub()

◆ fun_t()

◆ fun_trunc()

◆ fval()

◆ handle_listbool()

◆ handle_logic()

◆ handle_trig()

◆ handle_vector()

◆ handle_vectors()

◆ toBaseX()