Source: scale_examples.f90
Linear, log, and symlog axis scales.
scale_examples.f90 - Source codeoutput/example/fortran/scale_examples/make example ARGS="scale_examples"

ASCII output:
Log Scale Example
+--------------------------------------------------------------------------------+
| |
| |
| | |
| | |
| | |
| | |
| | |
| | |
| | |
| | |
| | |
| | |
| |e4 --- |
| | -------- |
| | -------- |
| | -------- |
| | -------- |
| | -------- |
| | -------- |
| | -------- |
| | -------- |
| | -------- |
| |----------------------------------------------------------------------------- |
| 1e3 8 16 24 32 40 48 |
+--------------------------------------------------------------------------------+
x
exp(0.2x)

ASCII output:
Symlog Scale Example
+--------------------------------------------------------------------------------+
| 1e5 |
| | |
| | |
| | |
| | |
| | |
| | |
| | |
| | |
| | ---------------------- |
| | ----------------------- |
| | -------------- |
| | -------- |
| | ---- |
| | - |
| | - |
| | -- |
| | - |
| | -- |
| |-------- |
| | |
| | |
| |----------------------------------------------------------------------------- |
| 1e4 8 16 24 32 40 48 |
+--------------------------------------------------------------------------------+
x
x3 - 50x