mirror of
https://github.com/irmen/prog8.git
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145 lines
2.6 KiB
Lua
145 lines
2.6 KiB
Lua
; Prog8 definitions for floating point handling on the VirtualMachine
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%option enable_floats
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floats {
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const float PI = 3.141592653589793
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const float TWOPI = 6.283185307179586
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sub print_f(float value) {
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; ---- prints the floating point value (without a newline).
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%ir {{
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loadm.f fr65535,floats.print_f.value
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setparam.f fr65535,0
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syscall 25
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return
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}}
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}
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sub pow(float value, float power) -> float {
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%ir {{
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loadm.f fr0,floats.pow.value
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loadm.f fr1,floats.pow.power
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fpow.f fr0,fr1
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returnr.f fr0
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}}
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}
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sub fabs(float value) -> float {
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%ir {{
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loadm.f fr0,floats.fabs.value
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fabs.f fr0,fr0
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returnr.f fr0
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}}
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}
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sub sin(float angle) -> float {
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%ir {{
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loadm.f fr0,floats.sin.angle
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fsin.f fr0,fr0
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returnr.f fr0
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}}
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}
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sub cos(float angle) -> float {
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%ir {{
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loadm.f fr0,floats.cos.angle
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fcos.f fr0,fr0
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returnr.f fr0
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}}
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}
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sub tan(float value) -> float {
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%ir {{
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loadm.f fr0,floats.tan.value
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ftan.f fr0,fr0
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returnr.f fr0
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}}
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}
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sub atan(float value) -> float {
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%ir {{
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loadm.f fr0,floats.atan.value
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fatan.f fr0,fr0
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returnr.f fr0
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}}
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}
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sub ln(float value) -> float {
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%ir {{
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loadm.f fr0,floats.ln.value
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fln.f fr0,fr0
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returnr.f fr0
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}}
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}
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sub log2(float value) -> float {
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%ir {{
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loadm.f fr0,floats.log2.value
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flog.f fr0,fr0
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returnr.f fr0
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}}
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}
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sub sqrt(float value) -> float {
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%ir {{
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loadm.f fr0,floats.sqrt.value
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sqrt.f fr0,fr0
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returnr.f fr0
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}}
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}
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sub rad(float angle) -> float {
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; -- convert degrees to radians (d * pi / 180)
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return angle * PI / 180.0
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}
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sub deg(float angle) -> float {
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; -- convert radians to degrees (d * (1/ pi * 180))
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return angle * 180.0 / PI
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}
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sub round(float value) -> float {
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%ir {{
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loadm.f fr0,floats.round.value
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fround.f fr0,fr0
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returnr.f fr0
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}}
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}
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sub floor(float value) -> float {
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%ir {{
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loadm.f fr0,floats.floor.value
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ffloor.f fr0,fr0
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returnr.f fr0
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}}
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}
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sub ceil(float value) -> float {
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; -- ceil: tr = int(f); if tr==f -> return else return tr+1
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%ir {{
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loadm.f fr0,floats.ceil.value
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fceil.f fr0,fr0
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returnr.f fr0
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}}
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}
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sub rndf() -> float {
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%ir {{
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syscall 35
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pop.f fr0
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returnr.f fr0
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}}
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}
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sub rndseedf(float seed) {
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%ir {{
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loadm.f fr65535,floats.rndseedf.seed
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setparam.f fr65535,0
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syscall 32
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}}
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}
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}
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