Common mathematical functions
From cppreference.com
Contents |
[edit] Functions
| Defined in header
<cstdlib> |
|
| (C++11)
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computes absolute value of an integral value (|x|) (function) |
| (C++11)
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computes quotient and remainder of integer division (function) |
| Defined in header
<cinttypes> |
|
| (C++11)(C++11)
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computes absolute value of an integral value (|x|) (function) |
| (C++11)(C++11)
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computes quotient and remainder of integer division (function) |
| Defined in header
<cmath> |
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Basic operations |
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| absolute value of a floating point value (|x|) (function) |
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| remainder of the floating point division operation (function) |
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| (C++11)
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signed remainder of the division operation (function) |
| (C++11)
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signed remainder as well as the three last bits of the division operation (function) |
| (C++11)
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fused multiply-add operation (function) |
| (C++11)
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larger of two floating point values (function) |
| (C++11)
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smaller of two floating point values (function) |
| (C++11)
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positive difference of two floating point values (max(0, x-y)) (function) |
| (C++11)(C++11)(C++11)
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not-a-number (NaN) (function) |
Exponential functions |
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| returns e raised to the given power (ex) (function) |
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| (C++11)
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returns 2 raised to the given power (2x) (function) |
| (C++11)
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returns e raised to the given power, minus one (ex-1) (function) |
| computes natural (base e) logarithm (to base e) (ln(x)) (function) |
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| computes common (base 10) logarithm (log10(x)) (function) |
|
| (C++11)
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base 2 logarithm of the given number (log2(x)) (function) |
| (C++11)
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natural logarithm (to base e) of 1 plus the given number (ln(1+x)) (function) |
Power functions |
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| raises a number to the given power (xy) (function) |
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| computes square root (√x) (function) |
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| (C++11)
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computes cubic root (3√x) (function) |
| (C++11)
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computes square root of the sum of the squares of two given numbers (√x2 +y2 ) (function) |
Trigonometric functions |
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| computes sine (sin(x)) (function) |
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| computes cosine (cos(x)) (function) |
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| computes tangent (tan(x)) (function) |
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| computes arc sine (arcsin(x)) (function) |
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| computes arc cosine (arccos(x)) (function) |
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| computes arc tangent (arctan(x)) (function) |
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| arc tangent, using signs to determine quadrants (function) |
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Hyperbolic functions |
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| computes hyperbolic sine (sh(x)) (function) |
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| computes hyperbolic cosine (ch(x)) (function) |
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| hyperbolic tangent (function) |
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| (C++11)
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computes the inverse hyperbolic sine (arsinh(x)) (function) |
| (C++11)
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computes the inverse hyperbolic cosine (arcosh(x)) (function) |
| (C++11)
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computes the inverse hyperbolic tangent (artanh(x)) (function) |
Error and gamma functions |
|
| (C++11)
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error function (function) |
| (C++11)
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complementary error function (function) |
| (C++11)
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gamma function (function) |
| (C++11)
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natural logarithm of the gamma function (function) |
Nearest integer floating point operations |
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| nearest integer not less than the given value (function) |
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| nearest integer not greater than the given value (function) |
|
| (C++11)
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nearest integer not greater in magnitude than the given value (function) |
| (C++11)(C++11)(C++11)
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nearest integer, rounding away from zero in halfway cases (function) |
| (C++11)
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nearest integer using current rounding mode (function) |
| (C++11)(C++11)(C++11)
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nearest integer using current rounding mode with exception if the result differs (function) |
Floating point manipulation functions |
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| decomposes a number into significand and a power of 2 (function) |
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| multiplies a number by 2 raised to a power (function) |
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| decomposes a number into integer and fractional parts (function) |
|
| (C++11)(C++11)
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multiplies a number by FLT_RADIX raised to a power (function) |
| (C++11)
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extracts exponent of the number (function) |
| (C++11)
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extracts exponent of the number (function) |
| (C++11)(C++11)
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next representable floating point value towards the given value (function) |
| (C++11)
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copies the sign of a floating point value (function) |
Classification and comparison |
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| (C++11)
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categorizes the given floating point value (function) |
| (C++11)
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checks if the given number has finite value (function) |
| (C++11)
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checks if the given number is infinite (function) |
| (C++11)
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checks if the given number is NaN (function) |
| (C++11)
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checks if the given number is normal (function) |
| (C++11)
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checks if the given number is negative (function) |
| (C++11)
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checks if the first floating-point argument is greater than the second (function) |
| (C++11)
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checks if the first floating-point argument is greater or equal than the second (function) |
| (C++11)
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checks if the first floating-point argument is less than the second (function) |
| (C++11)
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checks if the first floating-point argument is less or equal than the second (function) |
| (C++11)
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checks if the first floating-point argument is less or greater than the second (function) |
| (C++11)
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checks if two floating-point values are unordered (function) |
[edit] Types
| Defined in header
<cstdlib> |
|
| structure type, return of the std::div function (typedef) |
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| structure type, return of the std::ldiv function (typedef) |
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| (C++11)
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structure type, return of the std::lldiv function (typedef) |
| Defined in header
<cinttypes> |
|
| (C++11)
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structure type, return of the std::imaxdiv function (typedef) |
| Defined in header
<cmath> |
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| float_t
(C++11)
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most efficient floating-point type at least as wide as float (typedef) |
| double_t
(C++11)
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most efficient floating-point type at least as wide as double (typedef) |
[edit] Macro constants
| Defined in header
<cmath> |
|
| (C++11)(C++11)
|
indicates the overflow value for float, double and long double respectively (macro constant) |
| (C++11)
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evaluates to positive infinity or the value guaranteed to overflow a float (macro constant) |
| (C++11)
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evaluates to a quiet NaN of type float (macro constant) |
| (C++11)(C++11)(C++11)
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defines the error handling mechanism used by the common mathematical functions (macro constant) |
Classification |
|
| (C++11)(C++11)(C++11)(C++11)(C++11)
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indicates a floating-point category (macro constant) |
[edit] See also
|
C documentation for Common mathematical functions
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