ref: 82eecd5a321aa3c619437a21997aa73c33c31d3c
dir: /lib/std/test/fltfmt.myr/
use std
use testr
use math
const main = {
math.fptrap(false)
testr.run([
[.name = "put0", .fn = put0],
[.name = "putNaN", .fn = putNaN],
[.name = "putInf", .fn = putInf],
[.name = "putinteger", .fn = putinteger],
[.name = "putlowprec", .fn = putlowprec],
[.name = "padding", .fn = padding],
[.name = "sigfigs", .fn = sigfigs],
][:])
}
const put0 = {c
var f : flt32 = 0.0
var g : flt64 = 0.0
testr.check(c, std.eq(std.fmt("f is {}", f), "f is 0.0"), "0.0 should format to \"0.0\"")
testr.check(c, std.eq(std.fmt("g is {}", g), "g is 0.0"), "0.0 should format to \"0.0\"")
}
const putNaN = {c
var f : flt32 = std.flt32nan()
var g : flt64 = std.flt64nan()
var f2 : flt32 = std.flt32frombits(0x7fc00ab0)
var g2 : flt64 = std.flt64frombits(0x7ff800000000abc0)
testr.check(c, std.eq(std.fmt("f is {}", f), "f is NaN"), "NaN should format to \"NaN\"")
testr.check(c, std.eq(std.fmt("g is {}", g), "g is NaN"), "NaN should format to \"NaN\"")
testr.check(c, std.eq(std.fmt("f2 is {}", f2), "f2 is NaN"), "alt NaN should format to \"NaN\"")
testr.check(c, std.eq(std.fmt("g2 is {}", g2), "g2 is NaN"), "alt NaN should format to \"NaN\"")
}
const putInf = {c
var f : flt32 = std.flt32inf()
var g : flt64 = std.flt64inf()
testr.check(c, std.eq(std.fmt("f is {}", f), "f is Inf"), "Inf should format to \"Inf\"")
testr.check(c, std.eq(std.fmt("g is {}", g), "g is Inf"), "Inf should format to \"Inf\"")
f *= -1.0
g *= -1.0
testr.check(c, std.eq(std.fmt("f is {}", f), "f is -Inf"), "-Inf should format to \"-Inf\"")
testr.check(c, std.eq(std.fmt("g is {}", g), "g is -Inf"), "-Inf should format to \"-Inf\"")
}
const putinteger = {c
var data : (int, byte[:])[:] = [
(1, "1.0"), (2, "2.0"), (184, "184.0"), (-37, "-37.0")
][:]
for (f, exp) : data
var f32 : flt32 = (f : flt32)
var f64 : flt64 = (f : flt64)
var act32 : byte[:] = std.fmt("{}", f32)
var act64 : byte[:] = std.fmt("{}", f64)
testr.check(c, std.eq(act32, exp), "{} should format [flt32] to \"{}\", was \"{}\"", f, exp, act32)
testr.check(c, std.eq(act64, exp), "{} should format [flt64] to \"{}\", was \"{}\"", f, exp, act64)
;;
}
const putlowprec = {c
var data : (flt64, byte[:])[:] = [
(1.5, "1.5"), (0.0025, "0.0025"), (4.25, "4.25"), (-229.25, "-229.25")
][:]
for (f, exp) : data
var f32 : flt32 = (f : flt32)
var f64 : flt64 = (f : flt64)
var act32 : byte[:] = std.fmt("{}", f32)
var act64 : byte[:] = std.fmt("{}", f64)
testr.check(c, std.eq(act32, exp), "{} should format [flt32] to \"{}\", was \"{}\"", f, exp, act32)
testr.check(c, std.eq(act64, exp), "{} should format [flt64] to \"{}\", was \"{}\"", f, exp, act64)
;;
}
const padding = {c
var exp, act
var f32 : flt32
var f64 : flt64
f32 = 1.0
exp = "XXXX1.0"
act = std.fmt("{w=7,p=X}", f32)
testr.check(c, std.eq(exp, act), "{} should format [flt32] to \"{}\", was \"{}\"", f32, exp, act)
f64 = 1.0
exp = "XXXX1.0"
act = std.fmt("{w=7,p=X}", f64)
testr.check(c, std.eq(exp, act), "{} should format [flt64] to \"{}\", was \"{}\"", f64, exp, act)
f32 = -2.5
exp = "YYYYYY-2.5"
act = std.fmt("{w=10,p=Y}", f32)
testr.check(c, std.eq(exp, act), "{} should format [flt32] to \"{}\", was \"{}\"", f32, exp, act)
f64 = -100000.5
exp = "-100000.5"
act = std.fmt("{w=9,p=Y}", f64)
testr.check(c, std.eq(exp, act), "{} should format [flt64] to \"{}\", was \"{}\"", f64, exp, act)
f32 = -13.25
exp = "-013.25"
act = std.fmt("{w=7,p=0}", f32)
testr.check(c, std.eq(exp, act), "{} should format [flt32] to \"{}\", was \"{}\"", f32, exp, act)
f32 = -1.0 * std.flt32inf()
exp = "0000000-Inf"
act = std.fmt("{w=11,p=0}", f32)
testr.check(c, std.eq(exp, act), "{} should format [flt32] to \"{}\", was \"{}\"", f32, exp, act)
f64 = std.flt64nan()
exp = " NaN"
act = std.fmt("{w=18,p= }", f64)
testr.check(c, std.eq(exp, act), "{} should format [flt64] to \"{}\", was \"{}\"", f64, exp, act)
}
const sigfigs = {c
var exp, act
var f32 : flt32
var f64 : flt64
f32 = 9.1234
exp = "9.12"
act = std.fmt("{s=3}", f32)
testr.check(c, std.eq(exp, act), "{} should format [flt32] to \"{}\", was \"{}\"", f32, exp, act)
f64 = 19.1234
exp = "19.123"
act = std.fmt("{s=5}", f64)
testr.check(c, std.eq(exp, act), "{} should format [flt64] to \"{}\", was \"{}\"", f64, exp, act)
f64 = 104.9
exp = "100.0"
act = std.fmt("{s=2}", f64)
testr.check(c, std.eq(exp, act), "{} should format [flt64] to \"{}\", was \"{}\"", f64, exp, act)
f64 = 105.1
exp = "110.0"
act = std.fmt("{s=2}", f64)
testr.check(c, std.eq(exp, act), "{} should format [flt64] to \"{}\", was \"{}\"", f64, exp, act)
f64 = 12345.6789
exp = "12345.6789"
act = std.fmt("{s=200}", f64)
testr.check(c, std.eq(exp, act), "{} should format [flt64] to \"{}\", was \"{}\"", f64, exp, act)
f64 = 12345.6789
exp = "12345.679"
act = std.fmt("{s=8}", f64)
testr.check(c, std.eq(exp, act), "{} should format [flt64] to \"{}\", was \"{}\"", f64, exp, act)
f32 = -13.49
exp = "-13.5"
act = std.fmt("{s=3}", f32)
testr.check(c, std.eq(exp, act), "{} should format [flt32] to \"{}\", was \"{}\"", f32, exp, act)
f32 = -13.53
exp = "-13.5"
act = std.fmt("{s=3}", f32)
testr.check(c, std.eq(exp, act), "{} should format [flt32] to \"{}\", was \"{}\"", f32, exp, act)
f32 = -13.53
exp = "-10.0"
act = std.fmt("{s=-23}", f32)
testr.check(c, std.eq(exp, act), "{} should format [flt32] to \"{}\", was \"{}\"", f32, exp, act)
}