| // Copyright 2009 the Sputnik authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| info: | |
| The result of a ECMAScript floating-point remainder operation is |
| determined by the rules of IEEE arithmetics |
| es5id: 11.5.3_A4_T7 |
| description: > |
| If operands neither an infinity, nor a zero, nor NaN, return x - |
| truncate(x / y) * y |
| ---*/ |
| |
| function truncate(x) { |
| if (x > 0) { |
| return Math.floor(x); |
| } else { |
| return Math.ceil(x); |
| } |
| } |
| |
| var x, y; |
| |
| //CHECK#1 |
| x = 1.3; |
| y = 1.1; |
| if (x % y !== 0.19999999999999996) { |
| $ERROR('#1: x = 1.3; y = 1.1; x % y === 0.19999999999999996. Actual: ' + (x % y)); |
| } |
| |
| //CHECK#2 |
| x = -1.3; |
| y = 1.1; |
| if (x % y !== -0.19999999999999996) { |
| $ERROR('#2: x = -1.3; y = 1.1; x % y === -0.19999999999999996. Actual: ' + (x % y)); |
| } |
| |
| //CHECK#3 |
| x = 1.3; |
| y = -1.1; |
| if (x % y !== 0.19999999999999996) { |
| $ERROR('#3: x = 1.3; y = -1.1; x % y === 0.19999999999999996. Actual: ' + (x % y)); |
| } |
| |
| //CHECK#4 |
| x = -1.3; |
| y = -1.1; |
| if (x % y !== -0.19999999999999996) { |
| $ERROR('#4: x = -1.3; y = -1.1; x % y === -0.19999999999999996. Actual: ' + (x % y)); |
| } |
| |
| //CHECK#5 |
| x = 1.3; |
| y = 1.1; |
| if (x % y !== x - truncate(x / y) * y) { |
| $ERROR('#5: x = 1.3; y = 1.1; x % y === x - truncate(x / y) * y. Actual: ' + (x % y)); |
| } |
| |
| //CHECK#6 |
| x = -1.3; |
| y = 1.1; |
| if (x % y !== x - truncate(x / y) * y) { |
| $ERROR('#6: x = -1.3; y = 1.1; x % y === x - truncate(x / y) * y. Actual: ' + (x % y)); |
| } |
| |
| //CHECK#7 |
| x = 1.3; |
| y = -1.1; |
| if (x % y !== x - truncate(x / y) * y) { |
| $ERROR('#7: x = 1.3; y = -1.1; x % y === x - truncate(x / y) * y. Actual: ' + (x % y)); |
| } |
| |
| //CHECK#8 |
| x = -1.3; |
| y = -1.1; |
| if (x % y !== x - truncate(x / y) * y) { |
| $ERROR('#8: x = -1.3; y = -1.1; x % y === x - truncate(x / y) * y. Actual: ' + (x % y)); |
| } |