diff options
author | Ondřej Surý <ondrej@sury.org> | 2011-01-17 12:40:45 +0100 |
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committer | Ondřej Surý <ondrej@sury.org> | 2011-01-17 12:40:45 +0100 |
commit | 3e45412327a2654a77944249962b3652e6142299 (patch) | |
tree | bc3bf69452afa055423cbe0c5cfa8ca357df6ccf /test/float_lit.go | |
parent | c533680039762cacbc37db8dc7eed074c3e497be (diff) | |
download | golang-upstream/2011.01.12.tar.gz |
Imported Upstream version 2011.01.12upstream/2011.01.12
Diffstat (limited to 'test/float_lit.go')
-rw-r--r-- | test/float_lit.go | 224 |
1 files changed, 160 insertions, 64 deletions
diff --git a/test/float_lit.go b/test/float_lit.go index 58bd4dac0..7b91d88e5 100644 --- a/test/float_lit.go +++ b/test/float_lit.go @@ -6,96 +6,192 @@ package main -func -pow10(pow int) float64 { - if pow < 0 { return 1/pow10(-pow); } - if pow > 0 { return pow10(pow-1)*10; } - return 1; +var bad bool + +func pow10(pow int) float64 { + if pow < 0 { + return 1 / pow10(-pow) + } + if pow > 0 { + return pow10(pow-1) * 10 + } + return 1 } -func -close(da float64, ia, ib int64, pow int) bool { - db := float64(ia) / float64(ib); - db *= pow10(pow); +func close(da float64, ia, ib int64, pow int) bool { + db := float64(ia) / float64(ib) + db *= pow10(pow) if da == 0 || db == 0 { if da == 0 && db == 0 { - return true; + return true } - return false; + return false } - de := (da-db) /da; + de := (da - db) / da if de < 0 { - de = -de; + de = -de } - if de < 1.0e-14 { - return true; + if de < 1e-14 { + return true + } + if !bad { + println("BUG") + bad = true } - return false; + return false } -func -main() { - - if !close(0., 0, 1, 0) { print("0. is ", 0., "\n"); } - if !close(+10., 10, 1, 0) { print("+10. is ", +10., "\n"); } - if !close(-210., -210, 1, 0) { print("-210. is ", -210., "\n"); } +func main() { + if !close(0., 0, 1, 0) { + print("0. is ", 0., "\n") + } + if !close(+10., 10, 1, 0) { + print("+10. is ", +10., "\n") + } + if !close(-210., -210, 1, 0) { + print("-210. is ", -210., "\n") + } - if !close(.0, 0, 1, 0) { print(".0 is ", .0, "\n"); } - if !close(+.01, 1, 100, 0) { print("+.01 is ", +.01, "\n"); } - if !close(-.012, -12, 1000, 0) { print("-.012 is ", -.012, "\n"); } + if !close(.0, 0, 1, 0) { + print(".0 is ", .0, "\n") + } + if !close(+.01, 1, 100, 0) { + print("+.01 is ", +.01, "\n") + } + if !close(-.012, -12, 1000, 0) { + print("-.012 is ", -.012, "\n") + } - if !close(0.0, 0, 1, 0) { print("0.0 is ", 0.0, "\n"); } - if !close(+10.01, 1001, 100, 0) { print("+10.01 is ", +10.01, "\n"); } - if !close(-210.012, -210012, 1000, 0) { print("-210.012 is ", -210.012, "\n"); } + if !close(0.0, 0, 1, 0) { + print("0.0 is ", 0.0, "\n") + } + if !close(+10.01, 1001, 100, 0) { + print("+10.01 is ", +10.01, "\n") + } + if !close(-210.012, -210012, 1000, 0) { + print("-210.012 is ", -210.012, "\n") + } - if !close(0E+1, 0, 1, 0) { print("0E+1 is ", 0E+1, "\n"); } - if !close(+10e2, 10, 1, 2) { print("+10e2 is ", +10e2, "\n"); } - if !close(-210e3, -210, 1, 3) { print("-210e3 is ", -210e3, "\n"); } + if !close(0E+1, 0, 1, 0) { + print("0E+1 is ", 0E+1, "\n") + } + if !close(+10e2, 10, 1, 2) { + print("+10e2 is ", +10e2, "\n") + } + if !close(-210e3, -210, 1, 3) { + print("-210e3 is ", -210e3, "\n") + } - if !close(0E-1, 0, 1, 0) { print("0E-1 is ", 0E-1, "\n"); } - if !close(+0e23, 0, 1, 1) { print("+0e23 is ", +0e23, "\n"); } - if !close(-0e345, 0, 1, 1) { print("-0e345 is ", -0e345, "\n"); } + if !close(0E-1, 0, 1, 0) { + print("0E-1 is ", 0E-1, "\n") + } + if !close(+0e23, 0, 1, 1) { + print("+0e23 is ", +0e23, "\n") + } + if !close(-0e345, 0, 1, 1) { + print("-0e345 is ", -0e345, "\n") + } - if !close(0E1, 0, 1, 1) { print("0E1 is ", 0E1, "\n"); } - if !close(+10e23, 10, 1, 23) { print("+10e23 is ", +10e23, "\n"); } - if !close(-210e34, -210, 1, 34) { print("-210e34 is ", -210e34, "\n"); } + if !close(0E1, 0, 1, 1) { + print("0E1 is ", 0E1, "\n") + } + if !close(+10e23, 10, 1, 23) { + print("+10e23 is ", +10e23, "\n") + } + if !close(-210e34, -210, 1, 34) { + print("-210e34 is ", -210e34, "\n") + } - if !close(0.E1, 0, 1, 1) { print("0.E1 is ", 0.E1, "\n"); } - if !close(+10.e+2, 10, 1, 2) { print("+10.e+2 is ", +10.e+2, "\n"); } - if !close(-210.e-3, -210, 1, -3) { print("-210.e-3 is ", -210.e-3, "\n"); } + if !close(0.E1, 0, 1, 1) { + print("0.E1 is ", 0.E1, "\n") + } + if !close(+10.e+2, 10, 1, 2) { + print("+10.e+2 is ", +10.e+2, "\n") + } + if !close(-210.e-3, -210, 1, -3) { + print("-210.e-3 is ", -210.e-3, "\n") + } - if !close(.0E1, 0, 1, 1) { print(".0E1 is ", .0E1, "\n"); } - if !close(+.01e2, 1, 100, 2) { print("+.01e2 is ", +.01e2, "\n"); } - if !close(-.012e3, -12, 1000, 3) { print("-.012e3 is ", -.012e3, "\n"); } + if !close(.0E1, 0, 1, 1) { + print(".0E1 is ", .0E1, "\n") + } + if !close(+.01e2, 1, 100, 2) { + print("+.01e2 is ", +.01e2, "\n") + } + if !close(-.012e3, -12, 1000, 3) { + print("-.012e3 is ", -.012e3, "\n") + } - if !close(0.0E1, 0, 1, 0) { print("0.0E1 is ", 0.0E1, "\n"); } - if !close(+10.01e2, 1001, 100, 2) { print("+10.01e2 is ", +10.01e2, "\n"); } - if !close(-210.012e3, -210012, 1000, 3) { print("-210.012e3 is ", -210.012e3, "\n"); } + if !close(0.0E1, 0, 1, 0) { + print("0.0E1 is ", 0.0E1, "\n") + } + if !close(+10.01e2, 1001, 100, 2) { + print("+10.01e2 is ", +10.01e2, "\n") + } + if !close(-210.012e3, -210012, 1000, 3) { + print("-210.012e3 is ", -210.012e3, "\n") + } - if !close(0.E+12, 0, 1, 0) { print("0.E+12 is ", 0.E+12, "\n"); } - if !close(+10.e23, 10, 1, 23) { print("+10.e23 is ", +10.e23, "\n"); } - if !close(-210.e33, -210, 1, 33) { print("-210.e33 is ", -210.e33, "\n"); } + if !close(0.E+12, 0, 1, 0) { + print("0.E+12 is ", 0.E+12, "\n") + } + if !close(+10.e23, 10, 1, 23) { + print("+10.e23 is ", +10.e23, "\n") + } + if !close(-210.e33, -210, 1, 33) { + print("-210.e33 is ", -210.e33, "\n") + } - if !close(.0E-12, 0, 1, 0) { print(".0E-12 is ", .0E-12, "\n"); } - if !close(+.01e23, 1, 100, 23) { print("+.01e23 is ", +.01e23, "\n"); } - if !close(-.012e34, -12, 1000, 34) { print("-.012e34 is ", -.012e34, "\n"); } + if !close(.0E-12, 0, 1, 0) { + print(".0E-12 is ", .0E-12, "\n") + } + if !close(+.01e23, 1, 100, 23) { + print("+.01e23 is ", +.01e23, "\n") + } + if !close(-.012e34, -12, 1000, 34) { + print("-.012e34 is ", -.012e34, "\n") + } - if !close(0.0E12, 0, 1, 12) { print("0.0E12 is ", 0.0E12, "\n"); } - if !close(+10.01e23, 1001, 100, 23) { print("+10.01e23 is ", +10.01e23, "\n"); } - if !close(-210.012e33, -210012, 1000, 33) { print("-210.012e33 is ", -210.012e33, "\n"); } + if !close(0.0E12, 0, 1, 12) { + print("0.0E12 is ", 0.0E12, "\n") + } + if !close(+10.01e23, 1001, 100, 23) { + print("+10.01e23 is ", +10.01e23, "\n") + } + if !close(-210.012e33, -210012, 1000, 33) { + print("-210.012e33 is ", -210.012e33, "\n") + } - if !close(0.E123, 0, 1, 123) { print("0.E123 is ", 0.E123, "\n"); } - if !close(+10.e+23, 10, 1, 23) { print("+10.e+234 is ", +10.e+234, "\n"); } - if !close(-210.e-35, -210, 1, -35) { print("-210.e-35 is ", -210.e-35, "\n"); } + if !close(0.E123, 0, 1, 123) { + print("0.E123 is ", 0.E123, "\n") + } + if !close(+10.e+23, 10, 1, 23) { + print("+10.e+234 is ", +10.e+234, "\n") + } + if !close(-210.e-35, -210, 1, -35) { + print("-210.e-35 is ", -210.e-35, "\n") + } - if !close(.0E123, 0, 1, 123) { print(".0E123 is ", .0E123, "\n"); } - if !close(+.01e29, 1, 100, 29) { print("+.01e29 is ", +.01e29, "\n"); } - if !close(-.012e29, -12, 1000, 29) { print("-.012e29 is ", -.012e29, "\n"); } + if !close(.0E123, 0, 1, 123) { + print(".0E123 is ", .0E123, "\n") + } + if !close(+.01e29, 1, 100, 29) { + print("+.01e29 is ", +.01e29, "\n") + } + if !close(-.012e29, -12, 1000, 29) { + print("-.012e29 is ", -.012e29, "\n") + } - if !close(0.0E123, 0, 1, 123) { print("0.0E123 is ", 0.0E123, "\n"); } - if !close(+10.01e31, 1001, 100, 31) { print("+10.01e31 is ", +10.01e31, "\n"); } - if !close(-210.012e19, -210012, 1000, 19) { print("-210.012e19 is ", -210.012e19, "\n"); } + if !close(0.0E123, 0, 1, 123) { + print("0.0E123 is ", 0.0E123, "\n") + } + if !close(+10.01e31, 1001, 100, 31) { + print("+10.01e31 is ", +10.01e31, "\n") + } + if !close(-210.012e19, -210012, 1000, 19) { + print("-210.012e19 is ", -210.012e19, "\n") + } } |