| ... | ... | @@ -7366,18 +7366,20 @@ pub const CallOptions = struct { |
| 7366 | 7366 | {#header_close#} |
| 7367 | 7367 | |
| 7368 | 7368 | {#header_open|@clz#} |
| 7369 | | <pre>{#syntax#}@clz(comptime T: type, integer: T){#endsyntax#}</pre> |
| 7369 | <pre>{#syntax#}@clz(comptime T: type, operand: T){#endsyntax#}</pre> |
| 7370 | <p>{#syntax#}T{#endsyntax#} must be an integer type.</p> |
| 7371 | <p>{#syntax#}operand{#endsyntax#} may be an {#link|integer|Integers#} or {#link|vector|Vectors#}.</p> |
| 7370 | 7372 | <p> |
| 7371 | | This function counts the number of most-significant (leading in a big-Endian sense) zeroes in {#syntax#}integer{#endsyntax#}. |
| 7373 | This function counts the number of most-significant (leading in a big-Endian sense) zeroes in an integer. |
| 7372 | 7374 | </p> |
| 7373 | 7375 | <p> |
| 7374 | | If {#syntax#}integer{#endsyntax#} is known at {#link|comptime#}, |
| 7376 | If {#syntax#}operand{#endsyntax#} is a {#link|comptime#}-known integer, |
| 7375 | 7377 | the return type is {#syntax#}comptime_int{#endsyntax#}. |
| 7376 | | Otherwise, the return type is an unsigned integer with the minimum number |
| 7378 | Otherwise, the return type is an unsigned integer or vector of unsigned integers with the minimum number |
| 7377 | 7379 | of bits that can represent the bit count of the integer type. |
| 7378 | 7380 | </p> |
| 7379 | 7381 | <p> |
| 7380 | | If {#syntax#}integer{#endsyntax#} is zero, {#syntax#}@clz{#endsyntax#} returns the bit width |
| 7382 | If {#syntax#}operand{#endsyntax#} is zero, {#syntax#}@clz{#endsyntax#} returns the bit width |
| 7381 | 7383 | of integer type {#syntax#}T{#endsyntax#}. |
| 7382 | 7384 | </p> |
| 7383 | 7385 | {#see_also|@ctz|@popCount#} |
| ... | ... | @@ -7509,18 +7511,20 @@ test "main" { |
| 7509 | 7511 | {#header_close#} |
| 7510 | 7512 | |
| 7511 | 7513 | {#header_open|@ctz#} |
| 7512 | | <pre>{#syntax#}@ctz(comptime T: type, integer: T){#endsyntax#}</pre> |
| 7514 | <pre>{#syntax#}@ctz(comptime T: type, operand: T){#endsyntax#}</pre> |
| 7515 | <p>{#syntax#}T{#endsyntax#} must be an integer type.</p> |
| 7516 | <p>{#syntax#}operand{#endsyntax#} may be an {#link|integer|Integers#} or {#link|vector|Vectors#}.</p> |
| 7513 | 7517 | <p> |
| 7514 | | This function counts the number of least-significant (trailing in a big-Endian sense) zeroes in {#syntax#}integer{#endsyntax#}. |
| 7518 | This function counts the number of least-significant (trailing in a big-Endian sense) zeroes in an integer. |
| 7515 | 7519 | </p> |
| 7516 | 7520 | <p> |
| 7517 | | If {#syntax#}integer{#endsyntax#} is known at {#link|comptime#}, |
| 7521 | If {#syntax#}operand{#endsyntax#} is a {#link|comptime#}-known integer, |
| 7518 | 7522 | the return type is {#syntax#}comptime_int{#endsyntax#}. |
| 7519 | | Otherwise, the return type is an unsigned integer with the minimum number |
| 7523 | Otherwise, the return type is an unsigned integer or vector of unsigned integers with the minimum number |
| 7520 | 7524 | of bits that can represent the bit count of the integer type. |
| 7521 | 7525 | </p> |
| 7522 | 7526 | <p> |
| 7523 | | If {#syntax#}integer{#endsyntax#} is zero, {#syntax#}@ctz{#endsyntax#} returns |
| 7527 | If {#syntax#}operand{#endsyntax#} is zero, {#syntax#}@ctz{#endsyntax#} returns |
| 7524 | 7528 | the bit width of integer type {#syntax#}T{#endsyntax#}. |
| 7525 | 7529 | </p> |
| 7526 | 7530 | {#see_also|@clz|@popCount#} |
Auguste Rame <auguste.rame@gmail.com> 2021-07-25 22:58:58-04:00