File: float_format.py

package info (click to toggle)
giac 1.6.0.41%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 64,540 kB
  • sloc: cpp: 351,842; ansic: 105,138; python: 30,545; javascript: 8,675; yacc: 2,690; lex: 2,449; makefile: 1,243; sh: 579; perl: 314; lisp: 216; asm: 62; java: 41; sed: 16; csh: 7; pascal: 6
file content (19 lines) | stat: -rw-r--r-- 607 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
# test float formatting

# general rounding
for val in (116, 1111, 1234, 5010, 11111):
    print('%.0f' % val)
    print('%.1f' % val)
    print('%.3f' % val)

# make sure rounding is done at the correct precision
for prec in range(8):
    print(('%%.%df' % prec) % 6e-5)

# check certain cases that had a digit value of 10 render as a ":" character
print('%.2e' % float('9' * 51 + 'e-39'))
print('%.2e' % float('9' * 40 + 'e-21'))

# check a case that would render negative digit values, eg ")" characters
# the string is converted back to a float to check for no illegal characters
float('%.23e' % 1e-80)