xref: /src/tests/lib/lua/libm/lualibm.lua

#!/usr/bin/lua

local lm = require("libm")

local fmtf = "%-24s%+2.13f"
local fmti = "%-24s%d"

local function test(s,x)
   print(string.format(fmtf, s, x))
end

local function testb(s,x)
   print(string.format(fmti, s, x and 1 or 0))
end

test("M_E",lm.M_E);
test("M_LOG2E",lm.M_LOG2E)
test("M_LOG10E",lm.M_LOG10E)
test("M_LN2",lm.M_LN2)
test("M_LN10",lm.M_LN10)
test("M_PI",lm.M_PI)
test("M_PI_2",lm.M_PI_2)
test("M_PI_4",lm.M_PI_4)
test("M_1_PI",lm.M_1_PI)
test("M_2_PI",lm.M_2_PI)
test("M_2_SQRTPI",lm.M_2_SQRTPI)
test("M_SQRT2",lm.M_SQRT2)
test("M_SQRT1_2",lm.M_SQRT1_2)

test("cos(M_PI_2)", lm.cos(lm.M_PI_2))
test("acos(cos(M_PI_2))",lm.acos(lm.cos(lm.M_PI_2)))
test("cosh(M_SQRT1_2)",lm.cosh(lm.M_SQRT1_2))
test("acosh(cosh(M_SQRT1_2))",lm.acosh(lm.cosh(lm.M_SQRT1_2)))
test("sin(M_PI_2)",lm.sin(lm.M_PI_2))
test("asin(sin(M_PI_2))",lm.asin(lm.sin(lm.M_PI_2)))
test("sinh(M_PI_2)",lm.sinh(lm.M_PI_2))
test("asinh(sinh(M_PI_2))",lm.asinh(lm.sinh(lm.M_PI_2)))
test("tan(M_SQRT2)",lm.tan(lm.M_SQRT2))
test("atan(tan(M_SQRT2))",lm.atan(lm.tan(lm.M_SQRT2)))
test("tanh(M_SQRT2)",lm.tanh(lm.M_SQRT2))
test("atanh(tanh(M_SQRT2))",lm.atanh(lm.tanh(lm.M_SQRT2)))
test("atan2(M_SQRT2,M_SQRT2)",lm.atan2(lm.M_SQRT2,lm.M_SQRT2))
test("cbrt(8.0)",lm.cbrt(8.0))
test("ceil(M_PI)",lm.ceil(lm.M_PI))
test("ceil(M_E)",lm.ceil(lm.M_E))
test("copysign(-2.0,10.0)",lm.copysign(-2.0,10.0))
test("copysign(2.0,-10.0)",lm.copysign(2.0,-10.0))
test("erf(M_SQRT1_2)",lm.erf(lm.M_SQRT1_2))
test("erfc(M_SQRT1_2)",lm.erfc(lm.M_SQRT1_2))
test("exp(M_PI_4)",lm.exp(lm.M_PI_4))
test("exp2(3.0)",lm.exp2(3.0))
test("expm1(M_PI_4)",lm.expm1(lm.M_PI_4))
test("fabs(-M_SQRT2)",lm.fabs(-lm.M_SQRT2))
test("fabs(M_SQRT2)",lm.fabs(lm.M_SQRT2))
test("fdim(M_PI,M_PI_2)",lm.fdim(lm.M_PI,lm.M_PI_2))
test("fdim(M_PI,-M_PI_2)",lm.fdim(lm.M_PI,-lm.M_PI_2))
testb("finite(1.0/0.0)",lm.finite(1.0/0.0))
test("floor(M_PI)",lm.floor(lm.M_PI))
test("floor(M_E)",lm.floor(lm.M_E))
test("fma(M_PI,M_E,M_SQRT2)",lm.fma(lm.M_PI,lm.M_E,lm.M_SQRT2))
test("fmax(M_PI,M_E)",lm.fmax(lm.M_PI,lm.M_E))
test("fmin(M_PI,M_E)",lm.fmin(lm.M_PI,lm.M_E))
test("fmod(100.5,10.0)",lm.fmod(100.5,10.0))
test("gamma(5.0)",lm.gamma(5.0))
test("hypot(3.0,4.0)",lm.hypot(3.0,4.0))
print(string.format(fmti, "ilogb(10.0)", lm.ilogb(10.0)))
testb("isinf(1.0/0.0)",lm.isinf(1.0/0.0))
testb("isnan(log(-1.0))",lm.isnan(lm.log(-1.0)))
test("j0(M_PI)",lm.j0(lm.M_PI))
test("j1(M_PI)",lm.j1(lm.M_PI))
test("jn(3,M_PI)",lm.jn(3,lm.M_PI))
test("lgamma(M_PI)",lm.lgamma(lm.M_PI))
test("log(M_E)",lm.log(lm.M_E))
test("log10(100.0)",lm.log10(100.0))
test("log1p(M_PI)",lm.log1p(lm.M_PI))
test("nan(\"\")",lm.nan(""))
test("nextafter(1.0e-14,1.0)",lm.nextafter(1.0e-14,1.0))
test("pow(M_SQRT2,2.0)",lm.pow(lm.M_SQRT2,2.0))
test("remainder(M_PI,M_E)",lm.remainder(lm.M_PI,lm.M_E))
test("rint(M_PI)",lm.rint(lm.M_PI))
test("rint(M_E)",lm.rint(lm.M_E))
print(string.format(fmtf, "scalbn(1.0,2)", lm.scalbn(1.0,2)))
test("sin(M_PI_4)",lm.sin(lm.M_PI_4))
test("sinh(M_PI_4)",lm.sinh(lm.M_PI_4))
test("sqrt(9.0)",lm.sqrt(9.0))
test("tan(M_PI_4)",lm.tan(lm.M_PI_4))
test("tanh(M_PI_4)",lm.tanh(lm.M_PI_4))
test("trunc(M_PI)",lm.trunc(lm.M_PI))
test("trunc(M_E)",lm.trunc(lm.M_E))
test("y0(M_PI)",lm.y0(lm.M_PI))
test("y1(M_PI)",lm.y1(lm.M_PI))
test("yn(3,M_PI)",lm.yn(3,lm.M_PI))