prog8/compiler/res/prog8lib/virtual/floats.p8

142 lines
2.4 KiB
Lua

; Prog8 definitions for floating point handling on the VirtualMachine
%option enable_floats
floats {
const float PI = 3.141592653589793
const float TWOPI = 6.283185307179586
sub print_f(float value) {
; ---- prints the floating point value (without a newline).
%ir {{
loadm.f fr65500,floats.print_f.value
syscall 25
return
}}
}
sub pow(float value, float power) -> float {
%ir {{
loadm.f fr0,floats.pow.value
loadm.f fr1,floats.pow.power
fpow.f fr0,fr1
return
}}
}
sub fabs(float value) -> float {
%ir {{
loadm.f fr0,floats.fabs.value
fabs.f fr0,fr0
return
}}
}
sub sin(float angle) -> float {
%ir {{
loadm.f fr0,floats.sin.angle
fsin.f fr0,fr0
return
}}
}
sub cos(float angle) -> float {
%ir {{
loadm.f fr0,floats.cos.angle
fcos.f fr0,fr0
return
}}
}
sub tan(float value) -> float {
%ir {{
loadm.f fr0,floats.tan.value
ftan.f fr0,fr0
return
}}
}
sub atan(float value) -> float {
%ir {{
loadm.f fr0,floats.atan.value
fatan.f fr0,fr0
return
}}
}
sub ln(float value) -> float {
%ir {{
loadm.f fr0,floats.ln.value
fln.f fr0,fr0
return
}}
}
sub log2(float value) -> float {
%ir {{
loadm.f fr0,floats.log2.value
flog.f fr0,fr0
return
}}
}
sub sqrt(float value) -> float {
%ir {{
loadm.f fr0,floats.sqrt.value
sqrt.f fr0,fr0
return
}}
}
sub rad(float angle) -> float {
; -- convert degrees to radians (d * pi / 180)
return angle * PI / 180.0
}
sub deg(float angle) -> float {
; -- convert radians to degrees (d * (1/ pi * 180))
return angle * 180.0 / PI
}
sub round(float value) -> float {
%ir {{
loadm.f fr0,floats.round.value
fround.f fr0,fr0
return
}}
}
sub floor(float value) -> float {
%ir {{
loadm.f fr0,floats.floor.value
ffloor.f fr0,fr0
return
}}
}
sub ceil(float value) -> float {
; -- ceil: tr = int(f); if tr==f -> return else return tr+1
%ir {{
loadm.f fr0,floats.ceil.value
fceil.f fr0,fr0
return
}}
}
sub rndf() -> float {
%ir {{
syscall 35
return
}}
}
sub rndseedf(float seed) {
%ir {{
loadm.f fr65500,floats.rndseedf.seed
syscall 32
}}
}
}