diff options
Diffstat (limited to 'chapters/pseudocode.adoc')
-rw-r--r-- | chapters/pseudocode.adoc | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/chapters/pseudocode.adoc b/chapters/pseudocode.adoc index 71cc14d..238aa33 100644 --- a/chapters/pseudocode.adoc +++ b/chapters/pseudocode.adoc @@ -1,7 +1,7 @@ // // This confidential and proprietary software may be used only as // authorised by a licensing agreement from ARM Limited -// (C) COPYRIGHT 2021 ARM Limited +// (C) COPYRIGHT 2021-2022 ARM Limited // ALL RIGHTS RESERVED // The entire notice above must be reproduced on all authorised // copies and copies may only be made to the extent permitted @@ -85,14 +85,30 @@ in_t apply_floor<in_t>(in_t input) { } in_t apply_log<in_t>(in_t input) { + if (input == 0) { + return -INFINITY + } + else if (input < 0) { + return NaN; + } return the natural logarithm of input } in_t apply_max<in_t>(in_t a, in_t b) { + if (in_t == float_t) { + if (isNaN(a) || isNaN(b)) { + return NaN; + } + } if (a >= b) return a; else return b; } in_t apply_min<in_t>(in_t a, in_t b) { + if (in_t == float_t) { + if (isNaN(a) || isNaN(b)) { + return NaN; + } + } if (a < b) return a; else return b; } @@ -177,4 +193,7 @@ int rank(in_t input) int sum(in_t input[]) return the sum of values of an input list + +bool isNaN(float input) + return True if floating-point input value is NaN ---- |