standard-fish fails for small values with an unfortunate error that unlike a normal error points elsewhere in the code.
standard-fish is defined at pict-lib/pict/private/utils.rkt
options:
- check args are valid w>5 , h>1?
- modify standard fish to accept any numbers, including zero and negative.

(above normal error for comparison)
#lang racket
(require pict)
(standard-fish 6 1)
Documents/GitHub/racket/racket/collects/racket/contract/private/blame.rkt:350:0: draw-ellipse: contract violation
expected: (and/c real? (not/c negative?))
given: -2
in: the 4th argument of
(->m
real?
real?
(and/c real? (not/c negative?))
(and/c real? (not/c negative?))
void?)
contract from: (class record-dc%)
blaming: (unit language@)
(assuming the contract is correct)
standard-fishfails for small values with an unfortunate error that unlike a normal error points elsewhere in the code.standard-fish is defined at pict-lib/pict/private/utils.rkt
options: