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Function Description

KML_MATH is a basic math function library implemented by the C language.

The calculation result of the high-performance version is benchmarked against the open-source math library MPFR, and the calculation result of the high-precision version is benchmarked against the x86 math library.

Function Class

Function

Description

High Performance

High Precision

Trigonometric functions

sin

Sine function

Single-precision/double-precision real number

Single-precision/double-precision complex number

Single-precision/double-precision real number

cos

Cosine function

Single-precision/double-precision real number

Single-precision/double-precision complex number

Single-precision/double-precision real number

sincos

Sine and cosine function

Single-precision/double-precision real number

None

tan

Tangent function

Single-precision/double-precision real number

Single-precision/double-precision complex number

Single-precision/double-precision real number

asin

Arc sine function

Single-precision/double-precision real number

Single-precision/double-precision real number

asind

Arc sine function (the input parameter is an angle)

None

Single-precision real number

acos

Arc cosine function

Single-precision/double-precision real number

Single-precision/double-precision real number

atan

Arc tangent function

Single-precision/double-precision real number

Single-precision/double-precision real number

atan2

Arc tangent function

Single-precision/double-precision real number

Single-precision/double-precision real number

cosd

Cosine function (the input parameter is an angle)

None

Single-precision real number

Hyperbolic functions

sinh

Hyperbolic sine function

Single-precision/double-precision real number

Single-precision/double-precision real number

cosh

Hyperbolic cosine function

Single-precision/double-precision real number

Single-precision/double-precision real number

tanh

Hyperbolic tangent function

Single-precision/double-precision real number

Single-precision/double-precision real number

asinh

Inverse hyperbolic sine function

Single-precision/double-precision real number

None

acosh

Inverse hyperbolic cosine function

Single-precision/double-precision real number

None

atanh

Inverse hyperbolic tangent function

Single-precision/double-precision real number

None

Exponential and logarithmic functions

exp

Exponential function (base e)

Single-precision/double-precision real number

Single-precision/double-precision real number

exp2

Exponential function (base 2)

Single-precision/double-precision real number

Single-precision/double-precision real number

log

Logarithmic function (base e)

Single-precision/double-precision real number

Single-precision/double-precision real number

log2

Logarithm function (base 2)

Single-precision/double-precision real number

None

log10

Logarithmic function (base 10)

Single-precision/double-precision real number

Single-precision/double-precision real number

Power and root functions

pow

Power function

Single-precision/double-precision real number

Single-precision/double-precision real number

powr8i4

Power function (80-bit precision)

None

Dual-precision real number

sqrt

Square root function

Single-precision/double-precision real number

Single-precision/double-precision real number

cbrt

Cubic root function

Single-precision/double-precision real number

Single-precision/double-precision real number

Miscellaneous functions

fmod

Performs the modulo operation on two floating-point vectors.

None

Single-precision real number

tgamma

Gamma function

Single-precision real number

Single-precision real number