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| author | Kaz Kylheku <kaz@kylheku.com> | 2022-11-20 21:33:40 -0800 |
|---|---|---|
| committer | Kaz Kylheku <kaz@kylheku.com> | 2022-11-20 21:33:40 -0800 |
| commit | 3a84aceb203928c5718553bc56cb3648caa3fcb1 (patch) | |
| tree | a3679fd0570cf37154ed47582204f0ee4fd83b74 /txr.1 | |
| parent | 0242cf2e537bc1faad5c4650e6e06e4eac6b6d23 (diff) | |
| download | txr-3a84aceb203928c5718553bc56cb3648caa3fcb1.tar.gz txr-3a84aceb203928c5718553bc56cb3648caa3fcb1.tar.bz2 txr-3a84aceb203928c5718553bc56cb3648caa3fcb1.zip | |
expt: zero exponent yields 1.0.
* arith.c (expt): NUM-FLNUM, FLNUM-NUM and FLNUM-FLNUM cases
ensure that if the expontent is zero, the return value is
1.0. Implementations of pow do this, but ISO C doesn't require it.
* txr.1: Now documented.
Diffstat (limited to 'txr.1')
| -rw-r--r-- | txr.1 | 3 |
1 files changed, 3 insertions, 0 deletions
@@ -48549,6 +48549,9 @@ operand is converted to a float, and a floating point exponentiation is performed. Exponentiation that would produce a complex number is not supported. +If the exponent is zero, then the return value is 1.0 if at least one operand +is floating-point, otherwise 1. + The .code sqrt function produces a floating-point square root of |