ABS () |
Seek absolute value |
ACOs () |
Seeking the inverse cosine |
ASIN () |
Ask for the inverse of the string |
Atan () |
Ask for anyway cut |
ATAN2 () |
To find the tangent, to determine the quadrant by symbol |
Ceil () |
Minimum integer (for upper bound) not less than a value |
cos () |
Find cosine |
Cosh () |
Find hyperbolic cosine |
Div () |
Seeking quotient and remainder |
EXP () |
Ask for the power of E |
Fabs () |
Find the absolute value of a floating-point number |
Floor () |
The largest integer that is not greater than a value (for the lower bound) |
Fmod () |
Calculate modulus |
Frexp () |
The scientific representation form of the seeking number |
Labs () |
To find the absolute value of a long integer number |
Ldexp () |
Calculate with scientific counting method |
Ldiv () |
Return quotient and remainder with long integer type |
Log () |
Natural logarithm |
LOG10 () |
Natural logarithm at base of 10 |
MODF () |
Break a number into integers and fractional parts |
POW () |
exponentiation |
Sin () |
Seeking sine |
Sinh () |
Finding hyperbolic sine |
sqrt () |
Find square root |
Tan () |
Seeking Tangent |
Tanh () |
To find hyperbolic tangent |
Abs
Grammar:
#include <stdlib.h> int, ABS (int num); |
Function: The function returns the absolute value of the parameter num. For example:
int magic_number = 10;
cout << "Enter a guess:";
CIN >> X;
cout << "Your guess was" << abs (magic_number-x) << "away from the magic number." << Endl;
Related Topics:
Labs ().
ACOs
Syntax:
#include <math.h> Double ACOs (double arg); |
Function: The function returns the inverse cosine value of the parameter arg . The parameter arg should be between 1 and 1.
Related Topics:
ASIN (), Atan (), atan2 (), sin (), cos (), tan (), Sinh (), cosh (), and Tanh ().
Asin
Syntax:
#include <math.h> Double asin (double arg); |
Function: The function returns the inverse chord value of the parameter arg . The parameter arg should be between 1 and 1.
Related Topics:
ACOs (), Atan (), atan2 (), sin (), cos (), tan (), Sinh (), cosh (), and Tanh ().
Atan
Syntax:
#include <math.h> Double Atan (double arg); |
Function: The function returns the inverse tangent value of the parameter arg .
Related Topics:
ASIN (), ACOs (), atan2 (), sin (), cos (), tan (), Sinh (), cosh (), and Tanh ().
Atan2
Syntax:
#include <math.h> Double atan2 (double y, double x); |
Function: The function calculates the inverse tangent value of the y/x, and calculates the quadrant according to the symbol of the parameter.
Related Topics:
ASIN (), ACOs (), Atan (), sin (), cos (), tan (), Sinh (), cosh (), and Tanh ().
Ceil
Syntax:
#include <math.h> Double ceil (double num); |
Function: function returns the smallest integer with a parameter that is not less than num . For example
y = 6.04;
x = Ceil (y);
X is 7.0.
Related Topics:
Floor () and Fmod ().
Cos
Syntax:
#include <math.h> Double cos (double arg); |
Function: The function returns the cosine of the parameter arg , withArg given in radians.
Related Topics:
ASIN (), ACOs (), Atan (), sin (), atan2 (), tan (), Sinh (), cosh (), and Tanh ().
Cosh
Syntax:
#include <math.h> Double cosh (double arg); |
Function: function returns the hyperbolic cosine of the parameter arg .
Related Topics:
ASIN (), ACOs (), Atan (), sin (), atan2 (), tan (), sinh (), cos (), and Tanh ().
Div
Syntax:
#include <stdlib.h> div_t Div (int numerator, int denominator); |
Function: function returns the quotient and remainder of the parameter numerator / denominator . The structure type div_t is defined in Stdlib.h:
int quot; Quotient
int rem; Remainder
example, the following code shows the quotient and remainder of X/y:
div_t temp;
temp = div (x, y);
printf ("%d divided by%d yields%d with a remainder of%d\n", X, Y, Temp.quot, Temp.rem);
Related Topics:
Ldiv ().
Exp
Syntax:
#include <math.h> Double exp (double arg); |
Function: function returns the arg power of the parameter returns E (2.7182818).
Related Topics:
Log ().
Fabs
Syntax:
#include <math.h> Double fabs (double arg); |
Function: The function returns the absolute value of the parameter arg .
Related Topics:
ABS ().
Floor
Syntax:
#include <math.h> Double floor (double arg); |
Function: The function returns the largest integer with a parameter that is not greater than arg . For example
y = 6.04;
x = Floor (y);
The value of X is 6.0.
Related Topics:
Ceil ().
Fmod
Syntax:
#include <math.h> Double Fmod (double x, double y); |
Function: The function returns the remainder of the parameter x/y .
Related Topics:
Ceil (), floor (), and Fabs ().
Frexp
Syntax:
#include <math.h> Double frexp (double num, int *exp); |
Function: The function divides the parameter num into two parts: the mantissa between 0.5 and 1 (returned by the function) and returns the exponent exp. Converted to the following scientific notation form:
num = Mantissa * (2 ^ exp)
Related Topics:
Ldexp ().
Labs
Syntax:
#include <stdlib.h> Long Labs (long num); |
Function: The function returns the absolute value of the parameter num .
Related Topics:
ABS ().
Ldexp
Syntax:
#include <math.h> Double ldexp (double num, int exp); |
Function: function returns the parameter num * (2 ^ exp). Returns Huge_val if an overflow occurs .
Related Topics:
Frexp () and MODF ().
Ldiv
Syntax:
#include <stdlib.h> ldiv_t Ldiv (long numerator, long denominator); |
Function: function returns the quotient and remainder of the parameter numerator / denominator . The structure type ldiv_t is defined in Stdlib.h:
Long REM; Remainder
Related Topics:
Div ().
Log
Syntax:
#include <math.h> Double log (double num); |
Function: The function returns the natural logarithm of the parameter num . If num is negative, a domain error occurs and a range error occurs if num is zero.
Related Topics:
LOG10 ().
Log10
Syntax:
#include <math.h> Double log10 (double num); |
Function: The function returns the logarithm of the parameter num at base 10. If num is negative, a domain error occurs and a range error occurs if num is zero.
Related Topics:
Log ().
Modf
Syntax:
#include <math.h> Double modf (double num, double *i); |
Function: The function divides the parameter num into integers and decimals, returns the fractional part and assigns the integer part to i.
Related Topics:
Frexp () and Ldexp ().
Pow
Syntax:
#include <math.h> Double pow (double base, double exp); |
Function: The function returns the exp Power at the base of the parameter base . If base is zero or negative and exp is less than or equal to zero or non-integer, a domain error is generated. If overflow, the range error is generated.
Related Topics:
exp (), log (), and sqrt ().
Sin
Syntax:
#include <math.h> Double sin (double arg); |
Function: The function returns the sine of the parameter arg , andArg is given in radians.
Related Topics:
ASIN (), ACOs (), Atan (), cosh (), atan2 (), tan (), sinh (), cos (), and Tanh ().
Sinh
Syntax:
#include <math.h> Double Sinh (double arg); |
Function: The function returns the hyperbolic sine value of the parameter arg .
Related Topics:
ASIN (), ACOs (), Atan (), cosh (), atan2 (), tan (), sin (), cos (), and Tanh ().
sqrt
Syntax:
#include <math.h> Double sqrt (double num); |
Function: The function returns the square root of the parameter num . If num is negative, a domain error is generated.
Related Topics:
exp (), log (), and POW ().
Tan
Syntax:
#include <math.h> Double tan (double arg); |
Function: The function returns the tangent of the parameter arg ,Arg given in radians.
Related Topics:
ASIN (), ACOs (), Atan (), cosh (), atan2 (), Sinh (), sin (), cos (), and Tanh ().
Tanh
Syntax:
#include <math.h> Double Tanh (double arg); |
Function: function returns the hyperbolic tangent of the parameter arg .
Related Topics:
ASIN (), ACOs (), Atan (), cosh (), atan2 (), tan (), sin (), cos (), and Sinh ().
C + + Nineth lesson Standard C Math function