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Source code changes of the file "unit-tests/cond-cmp-numeric-eq.mk" between
bmake-20201101.tar.gz and bmake-20201117.tar.gz

About: bmake a BSD make tool (derived from NetBSD’s make).

cond-cmp-numeric-eq.mk  (bmake-20201101):cond-cmp-numeric-eq.mk  (bmake-20201117)
# $NetBSD: cond-cmp-numeric-eq.mk,v 1.4 2020/10/24 08:46:08 rillig Exp $ # $NetBSD: cond-cmp-numeric-eq.mk,v 1.5 2020/11/08 21:47:59 rillig Exp $
# #
# Tests for numeric comparisons with the == operator in .if conditions. # Tests for numeric comparisons with the == operator in .if conditions.
# This comparison yields the same result, whether numeric or character-based. # This comparison yields the same result, whether numeric or character-based.
.if 1 == 1 .if 1 == 1
.else .else
. error . error
.endif .endif
# This comparison yields the same result, whether numeric or character-based. # This comparison yields the same result, whether numeric or character-based.
skipping to change at line 52 skipping to change at line 52
# As of 2020-08-23, numeric comparison is implemented as parsing both sides # As of 2020-08-23, numeric comparison is implemented as parsing both sides
# as double, and then performing a normal comparison. The range of double is # as double, and then performing a normal comparison. The range of double is
# typically 16 or 17 significant digits, therefore these two numbers seem to # typically 16 or 17 significant digits, therefore these two numbers seem to
# be equal. # be equal.
.if 1.000000000000000001 == 1.000000000000000002 .if 1.000000000000000001 == 1.000000000000000002
.else .else
. error . error
.endif .endif
# Because an IEEE 754 double can only hold integers with a mantissa of 53
# bits, these two numbers are considered the same. The 993 is rounded down
# to the 992.
.if 9007199254740993 == 9007199254740992
.else
. error
.endif
# The 995 is rounded up, the 997 is rounded down.
.if 9007199254740995 == 9007199254740997
.else
. error Probably a misconfiguration in the floating point environment, \
or maybe a machine without IEEE 754 floating point support.
.endif
# There is no = operator for numbers. # There is no = operator for numbers.
.if !(12345 = 12345) .if !(12345 = 12345)
. error . error
.else .else
. error . error
.endif .endif
# There is no === operator for numbers either. # There is no === operator for numbers either.
.if !(12345 === 12345) .if !(12345 === 12345)
. error . error
 End of changes. 2 change blocks. 
1 lines changed or deleted 15 lines changed or added

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