math_library.md

Home   Standard library

Math library

Provides standard math functions.

Import

The following statement may be used to import the math library:

import math;

Functions

Name	Description
seed_random	Seed the random number generator using system time
get_random	Get a random integer
int_to_double	Convert an integer to a double
double_to_int	Convert a double to an integer
int_to_long	Convert an integer to a long
long_to_int	Convert a long to an integer
long_to_double	Convert a long to a double
double_to_long	Convert a double to a long
absolute_value	Convert an integer, long, or double to its absolute value
sqrt	Get the square root of an integer, long, or double
log10	Get the common logarithm an integer, long, or double
ceil	Get the least value not less than an integer, long, or double
round	Get the nearest integer, long, or double
floor	Get theleast of an integer, long, or double
sin	Compute the sine of an integer, long, or double
cos	Compute the cosine of an integer, long, or double
tan	Compute the tangent of an integer, long, or double
get_pi	Returns pi approximation 3.141592653589793
set_precision	Set the fixed standard output precision
exp	Computes Euler's number raised to the given integer, long, or double

Examples

seed_random

call seed_random;

get_random

int rand;
call get_random -> rand;

int_to_double

int iToD = 5;
double tempDouble;

call int_to_double : iToD -> tempDouble;

double_to_int

int dToI = -1;
double tempDouble;

call double_to_int : tempDouble -> dToI;

int_to_long

int toLong = 12345;
long l;

call int_to_long : toLong -> l;

long_to_int

long toInt = 349674032692;
int i;

call long_to_int : toInt -> i;

long_to_double

long toDouble = 122334;
double d;

call long_to_double : toDouble -> d;

double_to_long

double toLong = 3.14;
long l;

call double_to_long : toLong -> l;

absolute_value

double toLong = -3.14;
long l;

call absolute_value : toLong -> l;

sqrt

double value = 4;
double l;

call sqrt : value -> l;

log10

double value = 100;
double l;

call log10 : value -> l;

ceil

double value = 100.5;
double l;

call ceil : value -> l;

round

double value = 100.5;
double l;

call round : value -> l;

floor

double value = 100.5;
double l;

call floor : value -> l;

sin

double value = 100;
double l;

call sin : value -> l;

cos

double value = 100;
double l;

call cos : value -> l;

tan

double value = 100;
double l;

call tan : value -> l;

get_pi

double pi_val = 0;
call get_pi -> pi_val;

set_precision

int precision = 17;
call set_precision : precision;

exp

double val = 1.6;
call exp : val -> val;