Functions
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Basic operations
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| computes absolute value of an integral value (|x|)
(function)
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| absolute value of an absolute value of an floating point value (|x|)
(function)
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| the quotient and remainder of integer division
(function)
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| remainder of the floating point division operation
(function)
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| signed remainder of the division operation
(function)
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| signed remainder as well as the three last bits of the division operation
(function)
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| fused multiply-add operation
(function)
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| larger of two floating point values
(function)
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| smaller of two floating point values
(function)
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| positive difference of two floating point values (max(0, x-y))
(function)
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| not-a-number (NaN)
(function)
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Exponential functions
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| returns e raised to the given power (ex)
(function)
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| returns 2 raised to the given power (2x)
(function)
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| returns e raised to the given power, minus one (ex-1)
(function)
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| computes natural (base e) logarithm (to base e) (ln(x))
(function)
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| computes common (base 10) logarithm (log10(x))
(function)
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| natural logarithm (to base e) of 1 plus the given number
(function)
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| extracts exponent of the number
(function)
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| extracts exponent of the number
(function)
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Power functions
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| computes square root (√x)
(function)
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| computes cubic root (3√x)
(function)
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| computes square root of the sum of the squares of two given numbers (√x2
+y2
)
(function)
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| raises a number raised to the given power (xy)
(function)
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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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| hyperbolic arc sine
(function)
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| hyperbolic arc cosine
(function)
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| hyperbolic arc tangent
(function)
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Error and gamma functions
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| error function
(function)
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| complementary error function
(function)
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| natural logarithm of the gamma function
(function)
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| gamma function
(function)
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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)
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| nearest integer not greater in magnitude than the given value
(function)
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| nearest integer, rounding away from zero in halfway cases
(function)
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| nearest integer using current rounding mode
(function)
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| nearest integer using current rounding mode with
exception if the result differs
(function)
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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)
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| multiplies a number by FLT_RADIX raised to a power
(function)
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| next representable floating point value towards the given value
(function)
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| copies the sign of a floating point value
(function)
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Classification
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| categorizes the given floating point value
(function)
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| checks if the given number has finite value
(function)
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| checks if the given number is infinite
(function)
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| checks if the given number is NaN
(function)
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| checks if the given number is normal
(function)
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| checks if the given number is negative
(function)
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Macro constants
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| indicates value too big to be representable (infinity) by double
(macro constant)
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| indicates value too big to be representable (infinity) by float
(macro constant)
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| indicates value too big to be representable (infinity) by long double
(macro constant)
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Classification
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| indicates infinite floating point value
(macro constant)
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| indicates not-a-number (NaN)
(macro constant)
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| indicates normal number
(macro constant)
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| indicates subnormal number
(macro constant)
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| indicates zero
(macro constant)
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