4 Articles recommended for Is_nan

Current number of APIs 49 common calculations (one) min-find the minimum max-find the maximum abs-absolute value round-rounding the floating-point numbers ceil-returns the smallest integer greater than or equal to the specified expression, and the ceiling function floor-returns the maximum integer that is less than or equal to the specified expression Number, the floor function intdiv-The division result, and the return quotient fmod-returns the remainder of the division's floating-point number, returning the remainder is_nan-judging whether it is a legal value hypot-calculating the hypotenuse length of the triangular triangle sqrt-square root angle, radian (3) pi-get pi value Deg2ra D converts the angle to radians rad2deg-converts the number of radians to the corresponding angle number conversion (7) base_convert-converts a number between any binary decbin-decimal conversion to binary bindec-binary conversion to decimal decoct-decimal to

1. Recommended Articles for PHP Is_nan () functions

Introduction: Current number of APIs 49 common calculations (one) min-find the minimum max-find the maximum abs-absolute value round-to round the floating-point numbers ceil-return the smallest integer greater than or equal to the specified expression, the ceiling function floor-returns less than or equal to the specified expression The largest integer, the floor function intdiv-The division result, and the return quotient fmod-returns the remainder of the division's floating-point number, returning the remainder is_nan-...

2. Recommended Articles for PHP hypot () functions

Introduction: Current number of APIs 49 common calculations (one) min-find the minimum max-find the maximum abs-absolute value round-to round the floating-point numbers ceil-return the smallest integer greater than or equal to the specified expression, the ceiling function floor-returns less than or equal to the specified expression The largest integer, the floor function intdiv-The division result, and the return quotient fmod-returns the remainder of the division's floating-point number, returning the remainder is_nan-judging whether it is a legal value h ...

3. iphone Math Math Function--Is_nan ()

Description: iphone math:iphone math Math Function--Is_nan (): Is_nan () Meaning: Determine if the number is legal: bool Is_nan (float $val) parameter: $val is the return to be judged: if Val Not a number returns TRUE, otherwise false note: Nan represents a non-defined or non-expressed in a floating-point operation

4. PHP Math API Method Summary

Introduction:: PHP Math API Method summed up: The current number of APIs 49 common calculation (one) min-find the minimum max-find the maximum abs-absolute value round-The floating point rounding ceil-return the smallest integer greater than or equal to the specified expression, the ceiling function f loor-returns the largest integer less than or equal to the specified expression, the floor function intdiv-The division result, and the return quotient fmod-returns the remainder of the division's floating-point number, returning the remainder is_nan-judging whether it is a valid value hypot-

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