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more intuitive left shift and right shift operators

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Before:
 * << is left shift, not allowed to shift 1 bits out
 * <<% is left shift, allowed to shift 1 bits out
 * >> is right shift, allowed to shift 1 bits out

After:
 * << is left shift, allowed to shift 1 bits out
 * >> is right shift, allowed to shift 1 bits out
 * @shlExact is left shift, not allowed to shift 1 bits out
 * @shrExact is right shift, not allowed to shift 1 bits out

Closes #413
This commit is contained in:
Andrew Kelley
2017-08-09 10:09:38 -04:00
parent 54675b060a
commit 35d3444e27
28 changed files with 274 additions and 128 deletions
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4
std/math/ilogb.zig
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@@ -49,7 +49,7 @@ fn ilogb32(x: f32) -> i32 {
if (e == 0xFF) {
math.raiseInvalid();
if (u <<% 9 != 0) {
if (u << 9 != 0) {
return fp_ilogbnan;
} else {
return @maxValue(i32);
@@ -84,7 +84,7 @@ fn ilogb64(x: f64) -> i32 {
if (e == 0x7FF) {
math.raiseInvalid();
if (u <<% 12 != 0) {
if (u << 12 != 0) {
return fp_ilogbnan;
} else {
return @maxValue(i32);