Special function calculation

You should review the real math functions provided by verilog

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Table 17-18—Verilog to C real math function cross-listing

Verilog function Equivalent C function Description

$ln(x) log(x) Natural logarithm

$log10(x) log10(x) Decimal logarithm

$exp(x) exp(x) Exponential

$sqrt(x) sqrt(x) Square root

$pow(x,y) pow(x,y) x**y

$floor(x) floor(x) Floor

$ceil(x) ceil(x) Ceiling

$sin(x) sin(x) Sine

$cos(x) cos(x) Cosine

$tan(x) tan(x) Tangent

$asin(x) asin(x) Arc-sine

$acos(x) acos(x) Arc-cosine

$atan(x) atan(x) Arc-tangent

$atan2(x,y) atan2(x,y) Arc-tangent of x/y

$hypot(x,y) hypot(x,y) sqrt(x*x+y*y)

$sinh(x) sinh(x) Hyperbolic sine

$cosh(x) cosh(x) Hyperbolic cosine

$tanh(x) tanh(x) Hyperbolic tangent

$asinh(x) asinh(x) Arc-hyperbolic sine

$acosh(x) acosh(x) Arc-hyperbolic cosine

$atanh(x) atanh(x) Arc-hyperbolic tangent

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