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91 lines
1.6 KiB
Plaintext
91 lines
1.6 KiB
Plaintext
# Tests corresponding to the texinfo node `Arithmetic Evaluation'
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%test
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integer light there
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(( light = 42 )) &&
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let 'there = light' &&
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print $(( there ))
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0:basic integer arithmetic
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>42
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float light there
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integer rnd
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(( light = 3.1415 )) &&
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let 'there = light' &&
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print -- $(( rnd = there * 10000 ))
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# save rounding problems by converting to integer
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0:basic floating point arithmetic
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>31415
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print $(( 0x10 + 0X01 + 2#1010 ))
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0:base input
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>27
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float light
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(( light = 4 ))
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print $light
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typeset -F light
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print $light
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0:conversion to float
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>4.000000000e+00
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>4.0000000000
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integer i
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(( i = 32.5 ))
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print $i
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0:conversion to int
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>32
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integer i
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(( i = 4 - - 3 * 7 << 1 & 7 ^ 1 | 16 ** 2 ))
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print $i
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0:precedence (arithmetic)
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>1591
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print $(( 1 < 2 || 2 < 2 && 3 > 4 ))
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0:precedence (logical)
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>1
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print $(( 1 + 4 ? 3 + 2 ? 4 + 3 ? 5 + 6 ? 4 * 8 : 0 : 0 : 0 : 0 ))
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0:precedence (ternary)
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>32
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print $(( 3 ? 2 ))
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1:parsing ternary (1)
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?ZTST_execchunk:2: ':' expected
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print $(( 3 ? 2 : 1 : 4 ))
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1:parsing ternary (2)
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?ZTST_execchunk:2: ':' without '?'
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print $(( 0, 4 ? 3 : 1, 5 ))
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0:comma operator
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>5
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foo=000
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print $(( ##A + ##\C-a + #foo + $#foo ))
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0:#, ## and $#
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>117
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integer i
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(( i = 3 + 5 * 1.75 ))
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print $i
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0:promotion to float
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>11
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typeset x &&
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(( x = 3.5 )) &&
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print $x &&
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(( x = 4 )) &&
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print $x
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0:use of scalars to store integers and floats
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>3.5
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>4
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(( newarray[unsetvar]++ ))
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(( newarray[unsetvar]++ ))
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print ${(t)newarray} ${#newarray} ${newarray[1]}
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0:setting array elements in math context
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>array 1 2
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