| " test float functions |
| |
| if !has('float') |
| finish |
| end |
| |
| func Test_abs() |
| call assert_equal(string(abs(1.23)), '1.23') |
| call assert_equal(string(abs(-1.23)), '1.23') |
| call assert_equal(string(abs(0.0)), '0.0') |
| call assert_equal(string(abs(1.0/(1.0/0.0))), '0.0') |
| call assert_equal(string(abs(-1.0/(1.0/0.0))), '0.0') |
| call assert_equal(string(abs(1.0/0.0)), 'inf') |
| call assert_equal(string(abs(-1.0/0.0)), 'inf') |
| call assert_equal(string(abs(0.0/0.0)), 'nan') |
| endfunc |
| |
| func Test_sqrt() |
| call assert_equal(string(sqrt(0.0)), '0.0') |
| call assert_equal(string(sqrt(2.0)), '1.414214') |
| call assert_equal(string(sqrt(1.0/0.0)), 'inf') |
| call assert_equal(string(sqrt(-1.0)), 'nan') |
| call assert_equal(string(sqrt(0.0/0.0)), 'nan') |
| endfunc |
| |
| func Test_log() |
| call assert_equal(string(log(1.0)), '0.0') |
| call assert_equal(string(log(0.5)), '-0.693147') |
| call assert_equal(string(log(0.0)), '-inf') |
| call assert_equal(string(log(-1.0)), 'nan') |
| call assert_equal(string(log(1.0/0.0)), 'inf') |
| call assert_equal(string(log(0.0/0.0)), 'nan') |
| endfunc |
| |
| func Test_log10() |
| call assert_equal(string(log10(1.0)), '0.0') |
| call assert_equal(string(log10(100.0)), '2.0') |
| call assert_equal(string(log10(120.0)), '2.079181') |
| call assert_equal(string(log10(0.0)), '-inf') |
| call assert_equal(string(log10(-1.0)), 'nan') |
| call assert_equal(string(log10(1.0/0.0)), 'inf') |
| call assert_equal(string(log10(0.0/0.0)), 'nan') |
| endfunc |
| |
| func Test_exp() |
| call assert_equal(string(exp(0.0)), '1.0') |
| call assert_equal(string(exp(2.0)), '7.389056') |
| call assert_equal(string(exp(-1.0)),'0.367879') |
| call assert_equal(string(exp(1.0/0.0)), 'inf') |
| call assert_equal(string(exp(-1.0/0.0)), '0.0') |
| call assert_equal(string(exp(0.0/0.0)), 'nan') |
| endfunc |
| |
| func Test_sin() |
| call assert_equal(string(sin(0.0)), '0.0') |
| call assert_equal(string(sin(1.0)), '0.841471') |
| call assert_equal(string(sin(-0.5)), '-0.479426') |
| call assert_equal(string(sin(0.0/0.0)), 'nan') |
| call assert_equal(string(sin(1.0/0.0)), 'nan') |
| call assert_equal(string(sin(1.0/(1.0/0.0))), '0.0') |
| call assert_equal(string(sin(-1.0/(1.0/0.0))), '-0.0') |
| endfunc |
| |
| func Test_asin() |
| call assert_equal(string(asin(0.0)), '0.0') |
| call assert_equal(string(asin(1.0)), '1.570796') |
| call assert_equal(string(asin(-0.5)), '-0.523599') |
| call assert_equal(string(asin(1.1)), 'nan') |
| call assert_equal(string(asin(1.0/0.0)), 'nan') |
| call assert_equal(string(asin(0.0/0.0)), 'nan') |
| endfunc |
| |
| func Test_sinh() |
| call assert_equal(string(sinh(0.0)), '0.0') |
| call assert_equal(string(sinh(0.5)), '0.521095') |
| call assert_equal(string(sinh(-0.9)), '-1.026517') |
| call assert_equal(string(sinh(1.0/0.0)), 'inf') |
| call assert_equal(string(sinh(-1.0/0.0)), '-inf') |
| call assert_equal(string(sinh(0.0/0.0)), 'nan') |
| endfunc |
| |
| func Test_cos() |
| call assert_equal(string(cos(0.0)), '1.0') |
| call assert_equal(string(cos(1.0)), '0.540302') |
| call assert_equal(string(cos(-0.5)), '0.877583') |
| call assert_equal(string(cos(0.0/0.0)), 'nan') |
| call assert_equal(string(cos(1.0/0.0)), 'nan') |
| endfunc |
| |
| func Test_acos() |
| call assert_equal(string(acos(0.0)), '1.570796') |
| call assert_equal(string(acos(1.0)), '0.0') |
| call assert_equal(string(acos(-1.0)), '3.141593') |
| call assert_equal(string(acos(-0.5)), '2.094395') |
| call assert_equal(string(acos(1.1)), 'nan') |
| call assert_equal(string(acos(1.0/0.0)), 'nan') |
| call assert_equal(string(acos(0.0/0.0)), 'nan') |
| endfunc |
| |
| func Test_cosh() |
| call assert_equal(string(cosh(0.0)), '1.0') |
| call assert_equal(string(cosh(0.5)), '1.127626') |
| call assert_equal(string(cosh(1.0/0.0)), 'inf') |
| call assert_equal(string(cosh(-1.0/0.0)), 'inf') |
| call assert_equal(string(cosh(0.0/0.0)), 'nan') |
| endfunc |
| |
| func Test_tan() |
| call assert_equal(string(tan(0.0)), '0.0') |
| call assert_equal(string(tan(0.5)), '0.546302') |
| call assert_equal(string(tan(-0.5)), '-0.546302') |
| call assert_equal(string(tan(1.0/0.0)), 'nan') |
| call assert_equal(string(cos(0.0/0.0)), 'nan') |
| call assert_equal(string(tan(1.0/(1.0/0.0))), '0.0') |
| call assert_equal(string(tan(-1.0/(1.0/0.0))), '-0.0') |
| endfunc |
| |
| func Test_atan() |
| call assert_equal(string(atan(0.0)), '0.0') |
| call assert_equal(string(atan(0.5)), '0.463648') |
| call assert_equal(string(atan(-1.0)), '-0.785398') |
| call assert_equal(string(atan(1.0/0.0)), '1.570796') |
| call assert_equal(string(atan(-1.0/0.0)), '-1.570796') |
| call assert_equal(string(atan(0.0/0.0)), 'nan') |
| endfunc |
| |
| func Test_atan2() |
| call assert_equal(string(atan2(-1, -1)), '-2.356194') |
| call assert_equal(string(atan2(1, -1)), '2.356194') |
| call assert_equal(string(atan2(1.0, 1.0/0.0)), '0.0') |
| call assert_equal(string(atan2(1.0/0.0, 1.0)), '1.570796') |
| call assert_equal(string(atan2(0.0/0.0, 1.0)), 'nan') |
| endfunc |
| |
| func Test_tanh() |
| call assert_equal(string(tanh(0.0)), '0.0') |
| call assert_equal(string(tanh(0.5)), '0.462117') |
| call assert_equal(string(tanh(-1.0)), '-0.761594') |
| call assert_equal(string(tanh(1.0/0.0)), '1.0') |
| call assert_equal(string(tanh(-1.0/0.0)), '-1.0') |
| call assert_equal(string(tanh(0.0/0.0)), 'nan') |
| endfunc |
| |
| func Test_fmod() |
| call assert_equal(string(fmod(12.33, 1.22)), '0.13') |
| call assert_equal(string(fmod(-12.33, 1.22)), '-0.13') |
| call assert_equal(string(fmod(1.0/0.0, 1.0)), 'nan') |
| call assert_equal(string(fmod(1.0, 1.0/0.0)), '1.0') |
| call assert_equal(string(fmod(1.0, 0.0)), 'nan') |
| endfunc |
| |
| func Test_pow() |
| call assert_equal(string(pow(0.0, 0.0)), '1.0') |
| call assert_equal(string(pow(2.0, 3.0)), '8.0') |
| call assert_equal(string(pow(2.0, 0.0/0.0)), 'nan') |
| call assert_equal(string(pow(0.0/0.0, 3.0)), 'nan') |
| call assert_equal(string(pow(0.0/0.0, 3.0)), 'nan') |
| call assert_equal(string(pow(2.0, 1.0/0.0)), 'inf') |
| call assert_equal(string(pow(1.0/0.0, 3.0)), 'inf') |
| endfunc |
| |
| func Test_str2float() |
| call assert_equal(string(str2float('1')), '1.0') |
| call assert_equal(string(str2float('1.23')), '1.23') |
| call assert_equal(string(str2float('1.23abc')), '1.23') |
| call assert_equal(string(str2float('1e40')), '1.0e40') |
| call assert_equal(string(str2float('1e1000')), 'inf') |
| call assert_equal(string(str2float('inf')), 'inf') |
| call assert_equal(string(str2float('-inf')), '-inf') |
| call assert_equal(string(str2float('Inf')), 'inf') |
| call assert_equal(string(str2float('nan')), 'nan') |
| call assert_equal(string(str2float('NaN')), 'nan') |
| endfunc |
| |
| func Test_floor() |
| call assert_equal(string(floor(2.0)), '2.0') |
| call assert_equal(string(floor(2.11)), '2.0') |
| call assert_equal(string(floor(2.99)), '2.0') |
| call assert_equal(string(floor(-2.11)), '-3.0') |
| call assert_equal(string(floor(-2.99)), '-3.0') |
| call assert_equal(string(floor(0.0/0.0)), 'nan') |
| call assert_equal(string(floor(1.0/0.0)), 'inf') |
| call assert_equal(string(floor(-1.0/0.0)), '-inf') |
| endfunc |
| |
| func Test_ceil() |
| call assert_equal(string(ceil(2.0)), '2.0') |
| call assert_equal(string(ceil(2.11)), '3.0') |
| call assert_equal(string(ceil(2.99)), '3.0') |
| call assert_equal(string(ceil(-2.11)), '-2.0') |
| call assert_equal(string(ceil(-2.99)), '-2.0') |
| call assert_equal(string(ceil(0.0/0.0)), 'nan') |
| call assert_equal(string(ceil(1.0/0.0)), 'inf') |
| call assert_equal(string(ceil(-1.0/0.0)), '-inf') |
| endfunc |
| |
| func Test_round() |
| call assert_equal(string(round(2.1)), '2.0') |
| call assert_equal(string(round(2.5)), '3.0') |
| call assert_equal(string(round(2.9)), '3.0') |
| call assert_equal(string(round(-2.1)), '-2.0') |
| call assert_equal(string(round(-2.5)), '-3.0') |
| call assert_equal(string(round(-2.9)), '-3.0') |
| call assert_equal(string(round(0.0/0.0)), 'nan') |
| call assert_equal(string(round(1.0/0.0)), 'inf') |
| call assert_equal(string(round(-1.0/0.0)), '-inf') |
| endfunc |
| |
| func Test_trunc() |
| call assert_equal(string(trunc(2.1)), '2.0') |
| call assert_equal(string(trunc(2.5)), '2.0') |
| call assert_equal(string(trunc(2.9)), '2.0') |
| call assert_equal(string(trunc(-2.1)), '-2.0') |
| call assert_equal(string(trunc(-2.5)), '-2.0') |
| call assert_equal(string(trunc(-2.9)), '-2.0') |
| call assert_equal(string(trunc(0.0/0.0)), 'nan') |
| call assert_equal(string(trunc(1.0/0.0)), 'inf') |
| call assert_equal(string(trunc(-1.0/0.0)), '-inf') |
| endfunc |
| |
| func Test_isnan() |
| call assert_equal(isnan(1.0), 0) |
| call assert_equal(isnan(0.0/0.0), 1) |
| call assert_equal(isnan(1.0/0.0), 0) |
| call assert_equal(isnan('a'), 0) |
| call assert_equal(isnan([]), 0) |
| endfunc |