# 1) exp

a = 2.0;
b = exp(a);
s = sprintf("%.5f", b);

if (s != "7.38906") exit(1);


# 2) log

a = 2.0;
b = log(a);
s = sprintf("%.5f", b);

if (s != "0.69315") exit(2);


# 3) log10

a = 100.0;
b = log10(a);
s = sprintf("%.5f", b);

if (s != "2.00000") exit(3);


# 4) sqrt

a = 25.0;
b = sqrt(a);
s = sprintf("%.5f", b);

if (s != "5.00000") exit(4);


# 5) ceil

a = 25.2;
b = ceil(a);
s = sprintf("%.5f", b);

if (s != "26.00000") exit(5);


# 6) floor

a = 25.7;
b = floor(a);
s = sprintf("%.5f", b);

if (s != "25.00000") exit(6);


# 7) fabs

a = -12.4;
b = fabs(a);
s = sprintf("%.5f", b);

if (s != "12.40000") exit(7);


# 8) sin

a = 1.0;
b = sin(a);
s = sprintf("%.5f", b);

if (s != "0.84147") exit(8);


# 9) cos

a = 1.0;
b = cos(a);
s = sprintf("%.5f", b);

if (s != "0.54030") exit(9);


# 10) tan

a = 1.0;
b = tan(a);
s = sprintf("%.5f", b);

if (s != "1.55741") exit(10);


# 11) asin

a = 1.0;
b = asin(a);
s = sprintf("%.5f", b);

if (s != "1.57080") exit(11);


# 12) acos

a = 1.0;
b = acos(a);
s = sprintf("%.5f", b);

if (s != "0.00000") exit(12);


# 13) atan

a = 1.0;
b = atan(a);
s = sprintf("%.5f", b);

if (s != "0.78540") exit(13);


# 14) sinh

a = 1.0;
b = sinh(a);
s = sprintf("%.5f", b);

if (s != "1.17520") exit(14);


# 15) cosh

a = 1.0;
b = cosh(a);
s = sprintf("%.5f", b);

if (s != "1.54308") exit(15);


# 16) tanh

a = 1.0;
b = tanh(a);
s = sprintf("%.5f", b);

if (s != "0.76159") exit(16);


# 17) abs

a = -23;
b = abs(a);

if (b != 23) exit(17);


print("17 subtests ");