From 754bbf7a25a8dda49b5d08ef0d0443bbf5af0e36 Mon Sep 17 00:00:00 2001 From: Craig Jennings Date: Sun, 7 Apr 2024 13:41:34 -0500 Subject: new repository --- devdocs/c/numeric%2Fmath.html | 212 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 212 insertions(+) create mode 100644 devdocs/c/numeric%2Fmath.html (limited to 'devdocs/c/numeric%2Fmath.html') diff --git a/devdocs/c/numeric%2Fmath.html b/devdocs/c/numeric%2Fmath.html new file mode 100644 index 00000000..aeb71314 --- /dev/null +++ b/devdocs/c/numeric%2Fmath.html @@ -0,0 +1,212 @@ +

Common mathematical functions

Functions

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Defined in header <stdlib.h>
+
(C99)
 computes absolute value of an integral value (\(\small{|x|}\)|x|)
(function)
+
(C99)
 computes quotient and remainder of integer division
(function)
Defined in header <inttypes.h>
+
(C99)
 computes absolute value of an integral value (\(\small{|x|}\)|x|)
(function)
+
(C99)
 computes quotient and remainder of integer division
(function)
Defined in header <math.h>
Basic operations
+
(C99)(C99)
 computes absolute value of a floating-point value (\(\small{|x|}\)|x|)
(function)
+
(C99)(C99)
 computes remainder of the floating-point division operation
(function)
+
(C99)(C99)(C99)
 computes signed remainder of the floating-point division operation
(function)
+
(C99)(C99)(C99)
 computes signed remainder as well as the three last bits of the division operation
(function)
+
(C99)(C99)(C99)
 computes fused multiply-add operation
(function)
+
(C99)(C99)(C99)
 determines larger of two floating-point values
(function)
+
(C99)(C99)(C99)
 determines smaller of two floating-point values
(function)
+
(C99)(C99)(C99)
 determines positive difference of two floating-point values (\({\small\max{(0, x-y)} }\)max(0, x-y))
(function)
+
(C99)(C99)(C99)
 returns a NaN (not-a-number)
(function)
Exponential functions
+
(C99)(C99)
 computes e raised to the given power (\({\small e^x}\)ex)
(function)
+
(C99)(C99)(C99)
 computes 2 raised to the given power (\({\small 2^x}\)2x)
(function)
+
(C99)(C99)(C99)
 computes e raised to the given power, minus one (\({\small e^x-1}\)ex-1)
(function)
+
(C99)(C99)
 computes natural (base-e) logarithm (\({\small \ln{x} }\)ln(x))
(function)
+
(C99)(C99)
 computes common (base-10) logarithm (\({\small \log_{10}{x} }\)log10(x))
(function)
+
(C99)(C99)(C99)
 computes base-2 logarithm (\({\small \log_{2}{x} }\)log2(x))
(function)
+
(C99)(C99)(C99)
 computes natural (base-e) logarithm of 1 plus the given number (\({\small \ln{(1+x)} }\)ln(1+x))
(function)
Power functions
+
(C99)(C99)
 computes a number raised to the given power (\(\small{x^y}\)xy)
(function)
+
(C99)(C99)
 computes square root (\(\small{\sqrt{x} }\)√x)
(function)
+
(C99)(C99)(C99)
 computes cube root (\(\small{\sqrt[3]{x} }\)3√x)
(function)
+
(C99)(C99)(C99)
 computes square root of the sum of the squares of two given numbers (\(\scriptsize{\sqrt{x^2+y^2} }\)√x2+y2)
(function)
Trigonometric functions
+
(C99)(C99)
 computes sine (\({\small\sin{x} }\)sin(x))
(function)
+
(C99)(C99)
 computes cosine (\({\small\cos{x} }\)cos(x))
(function)
+
(C99)(C99)
 computes tangent (\({\small\tan{x} }\)tan(x))
(function)
+
(C99)(C99)
 computes arc sine (\({\small\arcsin{x} }\)arcsin(x))
(function)
+
(C99)(C99)
 computes arc cosine (\({\small\arccos{x} }\)arccos(x))
(function)
+
(C99)(C99)
 computes arc tangent (\({\small\arctan{x} }\)arctan(x))
(function)
+
(C99)(C99)
 computes arc tangent, using signs to determine quadrants
(function)
Hyperbolic functions
+
(C99)(C99)
 computes hyperbolic sine (\({\small\sinh{x} }\)sinh(x))
(function)
+
(C99)(C99)
 computes hyperbolic cosine (\({\small\cosh{x} }\)cosh(x))
(function)
+
(C99)(C99)
 computes hyperbolic tangent (\({\small\tanh{x} }\)tanh(x))
(function)
+
(C99)(C99)(C99)
 computes inverse hyperbolic sine (\({\small\operatorname{arsinh}{x} }\)arsinh(x))
(function)
+
(C99)(C99)(C99)
 computes inverse hyperbolic cosine (\({\small\operatorname{arcosh}{x} }\)arcosh(x))
(function)
+
(C99)(C99)(C99)
 computes inverse hyperbolic tangent (\({\small\operatorname{artanh}{x} }\)artanh(x))
(function)
Error and gamma functions
+
(C99)(C99)(C99)
 computes error function
(function)
+
(C99)(C99)(C99)
 computes complementary error function
(function)
+
(C99)(C99)(C99)
 computes gamma function
(function)
+
(C99)(C99)(C99)
 computes natural (base-e) logarithm of the gamma function
(function)
Nearest integer floating-point operations
+
(C99)(C99)
 computes smallest integer not less than the given value
(function)
+
(C99)(C99)
 computes largest integer not greater than the given value
(function)
+
(C99)(C99)(C99)
 rounds to nearest integer not greater in magnitude than the given value
(function)
+
(C99)(C99)(C99)(C99)(C99)(C99)(C99)(C99)(C99)
 rounds to nearest integer, rounding away from zero in halfway cases
(function)
+
(C99)(C99)(C99)
 rounds to an integer using current rounding mode
(function)
+
(C99)(C99)(C99)(C99)(C99)(C99)(C99)(C99)(C99)
 rounds to an integer using current rounding mode with
exception if the result differs
(function)
Floating-point manipulation functions
+
(C99)(C99)
 breaks a number into significand and a power of 2
(function)
+
(C99)(C99)
 multiplies a number by 2 raised to a power
(function)
+
(C99)(C99)
 breaks a number into integer and fractional parts
(function)
+
(C99)(C99)(C99)(C99)(C99)(C99)
 computes efficiently a number times FLT_RADIX raised to a power
(function)
+
(C99)(C99)(C99)
 extracts exponent of the given number
(function)
+
(C99)(C99)(C99)
 extracts exponent of the given number
(function)
+
(C99)(C99)(C99)(C99)(C99)(C99)
 determines next representable floating-point value towards the given value
(function)
+
(C99)(C99)(C99)
 produces a value with the magnitude of a given value and the sign of another given value
(function)
Classification and comparison
+
(C99)
 classifies the given floating-point value
(function macro)
+
(C99)
 checks if the given number has finite value
(function macro)
+
(C99)
 checks if the given number is infinite
(function macro)
+
(C99)
 checks if the given number is NaN
(function macro)
+
(C99)
 checks if the given number is normal
(function macro)
+
(C99)
 checks if the given number is negative
(function macro)
+
(C99)
 checks if the first floating-point argument is greater than the second
(function macro)
+
(C99)
 checks if the first floating-point argument is greater or equal than the second
(function macro)
+
(C99)
 checks if the first floating-point argument is less than the second
(function macro)
+
(C99)
 checks if the first floating-point argument is less or equal than the second
(function macro)
+
(C99)
 checks if the first floating-point argument is less or greater than the second
(function macro)
+
(C99)
 checks if two floating-point values are unordered
(function macro)

Types

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Defined in header <stdlib.h>
structure type, return of the div function
(typedef)
structure type, return of the ldiv function
(typedef)
+
(C99)
 structure type, return of the lldiv function
(typedef)
Defined in header <inttypes.h>
+
(C99)
 structure type, return of the imaxdiv function
(typedef)
Defined in header <math.h>
+
(C99)(C99)
 most efficient floating-point type at least as wide as float or double
(typedef)

Macro constants

+ + + + + + + + +
Defined in header <math.h>
+
(C99)(C99)
 indicates value too big to be representable (infinity) by float, double and long double respectively
(macro constant)
+
(C99)
 evaluates to positive infinity or the value guaranteed to overflow a float
(macro constant)
+
(C99)
 evaluates to a quiet NaN of type float
(macro constant)
+
(C99)(C99)(C99)
 indicates that the fma function generally executes about as fast as, or faster than, a multiply and an add of double operands
(macro constant)
+
(C99)(C99)
 evaluates to ilogb(x) if x is zero or NaN, respectively
(macro constant)
+
(C99)(C99)(C99)
 defines the error handling mechanism used by the common mathematical functions
(macro constant)
Classification
+
(C99)(C99)(C99)(C99)(C99)
 indicates a floating-point category
(macro constant)

References

See also

+
C++ documentation for Common mathematical functions
+

+ © cppreference.com
Licensed under the Creative Commons Attribution-ShareAlike Unported License v3.0.
+ https://en.cppreference.com/w/c/numeric/math +

+
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