quintus:acos/2

/usr/lib/swipl/library/quintus.pl

swipl
- library

sin(+Angle, -Sine) is det

cos(+Angle, -Cosine) is det

tan(+Angle, -Tangent) is det

log(+X, -NatLog) is det

log10(+X, -Log) is det

pow(+X, +Y, -Pow) is det

ceiling(+X, -Value) is det

floor(+X, -Value) is det

round(+X, -Value) is det

sqrt(+X, -Value) is det

acos(+X, -Value) is det

asin(+X, -Value) is det

atan(+X, -Value) is det

atan2(+Y, +X, -Value) is det

sign(+X, -Value) is det

Math library predicates. SWI-Prolog (and ISO) support these as functions under is/2, etc.

deprecated: - Do not use these predicates except for compatibility reasons.
Compatibility: - Quintus Prolog.