Changeset 2f5ea69


Ignore:
Timestamp:
Apr 15, 2021, 12:05:10 PM (6 months ago)
Author:
Peter A. Buhr <pabuhr@…>
Branches:
arm-eh, jacob/cs343-translation, master, new-ast-unique-expr
Children:
8cfa4ef
Parents:
4744074
Message:

fix long long int log2 with builtin_clzll

File:
1 edited

Legend:

Unmodified
Added
Removed
  • libcfa/src/math.hfa

    r4744074 r2f5ea69  
    55// file "LICENCE" distributed with Cforall.
    66//
    7 // math --
     7// math.hfa --
    88//
    99// Author           : Peter A. Buhr
    1010// Created On       : Mon Apr 18 23:37:04 2016
    1111// Last Modified By : Peter A. Buhr
    12 // Last Modified On : Mon Apr 12 18:35:39 2021
    13 // Update Count     : 131
     12// Last Modified On : Thu Apr 15 11:47:56 2021
     13// Update Count     : 132
    1414//
    1515
     
    104104        int log2( unsigned int n ) { return n == 0 ? -1 : sizeof(n) * __CHAR_BIT__ - 1 - __builtin_clz( n ); }
    105105        long int log2( unsigned long int n ) { return n == 0 ? -1 : sizeof(n) * __CHAR_BIT__ - 1 - __builtin_clzl( n ); }
    106         long long int log2( unsigned long long int n ) { return n == 0 ? -1 : sizeof(n) * __CHAR_BIT__ - 1 - __builtin_clzl( n ); }
     106        long long int log2( unsigned long long int n ) { return n == 0 ? -1 : sizeof(n) * __CHAR_BIT__ - 1 - __builtin_clzll( n ); }
    107107        float log2( float x ) { return log2f( x ); }
    108108        // extern "C" { double log2( double ); }
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